T/F cast iron exhibits a yield plateau similar to mild steel when tested under tension.

Answers

Answer 1

False. Cast iron typically does not exhibit a yield plateau like mild steel when tested under tension.

Cast iron is more brittle and less ductile than mild steel, and its stress-strain curve has a sharp peak followed by a rapid drop in stress at failure.

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Related Questions

A student writes an incorrect step while checking if the sum of the measures of the two remote interior angles of triangle ABC below is equal to the measure of the exterior angle.

Step 1: m∠x + m∠y + m∠z = 180 degrees (sum of angles of a triangle)
Step 2: m∠w − m∠z = 90 degrees (corresponding angles)
Step 3: Therefore, m∠x + m∠y + m∠z = m∠w + m∠z
Step 4: So, m∠x + m∠y = m∠w

In which step did the student first make a mistake and how can it be corrected? (5 points)

a
Step 1; it should be m∠x + m∠y + m∠z = 180 degrees (sum of corresponding angles)

b
Step 2; it should be m∠w + m∠z = 180 degrees (supplementary angles)

c
Step 1; it should be m∠x + m∠y + m∠z = 90 degrees (corresponding angles)

d
Step 2; it should be m∠w + m∠z = 90 degrees (alternate exterior angle)

Answers

Step 2 is the incorrect step and hence d is the correct answer.

What are Adjacent Angles?

The two angles are said to be adjacent angles when they share the common vertex and side. The endpoint of the rays, forming the sides of an angle, is called the vertex of an angle. Adjacent angles can be a complementary angle or supplementary angle when they share the common vertex and side.

Given here: m∠w + m∠z = 90 but this is not true because they are adjacent angles and they lie on a line so they must supplement each other.

m∠w + m∠z = 180

Hence, Step 2 is the incorrect step and hence d is the correct answer.

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Which of the following equations are true? Select all that apply. A. 24 . 8 ÷ 10 2 = 0 . 248 B. 34 . 65 ÷ 1 , 000 = 0 . 3465 C. 193 . 5 ÷ 10 0 = 193 . 5 D. 6 . 24 ÷ 10 = 62 . 4 E. 160 . 4 ÷ 10 2 = 0 . 1604

Answers

its 'A and C'
you'll get it right with this answer

A four-sided figure is resized to create a scaled copy. The proportional relationship between any given side length in the original figure, f, and the corresponding side length in the scaled copy, s, can be represented by the equation s can be represented by s= 11 over 2​ f. What is the constant of proportionality from side lengths in the original figure to side lengths in the scaled copy

Answers

Constant of proportionality from side lengths in the original figure to side lengths in the scaled copy = 2/11

What is proportion?

Proportion is a mathematical comparison between two numbers.  According to proportion, if two sets of given numbers are increasing or decreasing in the same ratio, then the ratios are said to be directly proportional to each other. Proportions are denoted using the symbol  "::" or "=".

Given,

f is the length of side of original figure

And s be the side of copied figure

f ∝ s

⇒ f = ks       --------(a)

where k is constant of proportionality

Proportion between side of original figure and its copy is such that

s = (11/2)f

f = (2/11)s      -----------(b)

comparing equation (a) and (b)

k = 2/11

Hence, 2/11 is constant of proportionality from side lengths in the original figure to side lengths in the scaled copy.

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how do i graph this in the image attached?

Answers

The value of the equation is P ( 4 , 4 ) , where P is the point of intersection of the equations

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the first equation be represented as A

Now , the value of A is

4x - 2y = 8  

Adding 2y on both sides of the equation , we get

2y + 8 = 4x

Subtracting 8 on both sides of the equation , we get

2y = 4x - 8   be equation (1)

Now , let the second equation be represented as B

Now , the value of B is

y = ( 3/2 )x - 2

On simplifying the equation , we get

2y = 3x - 4   be equation (2)

Now , subtracting equation (2) from equation (1) , we get

4x - 8 - ( 3x - 4 ) = 0

4x - 8 - 3x + 4 = 0

x - 4 = 0

Adding 4 on both sides of the equation , we get

x = 4

Substitute the value of x = 4 in equation ( 1 ) , we get

2y = 8

y = 4

So , the value of x = 4 and y = 4

The equations are plotted on the graph and the point of intersection is the solution to the equation , P ( 4 , 4 )

Hence , the equations are solved

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Makena deposited the following
amounts in her savings account last
month: $6.74, $5.21, $5.53, and $3.52.
Divide the sum by 30 to find the average
amount she saved per day for the month.
Show your work.

Answers

Makena deposited $0.70 per day.

What is Average?

In mathematics, the middle value—which is determined by dividing the sum of all the values by the total number of values—is the average value in a set of numbers. To calculate the average of a set of data, add up all the values and divide the result by the total number of values.

Given:

The savings account last month: $6.74, $5.21, $5.53, and $3.52.

Makena deposited $6.74,$5.21,$5.53 and $3.52 in her saving account.

To find the average amount she saves per day.

We add all the deposited savings

= ( 6.74 + 5.21 + 5.53 + 3.52)

= $21.031

Now, Makena Saved per day for the month = $21.031/30

                                                                        =$0.70

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Somebody help please I don’t understand!!

Answers

Answer:

1) y=0.56x

2)y=5x

3)y= 0.25x

Step-by-step explanation:

1) 2.24/4 = $0.56 (Cost per carton)

2) 15/3=5 ( miles ran per hour)

3) 3/12 = 0.25 (cost per ounce)

Martin is starting a new job. During training, he will earn $16 per hour. Once he starts, Martin will earn $20 per hour. What is the percent of change in Martin's pay from training to actually working?

Answers

Answer:

25%

Step-by-step explanation:

percent change = (new value - old value)/(old value) × 100%

percent change = (20 - 16)/(16) × 100%

percent change = 25%

Which equation can she use as statement 5? (3x + 24):3x = 85:51 (3x + 24):85 = 51:3x (3x + 24):51 = 3x:85 34:24 = 3x:51.

Answers

The equation that she can use as statement 5 is c) (3x + 24): 51 = 3x: 85.

To prove that x = 12, Dora must first prove that the segments ST and RQ are parallel. This can be done by showing that the angles formed by their intersection are congruent.

Since the angles, QRT and STP are congruent (statement 2) and the angles SPT and QPR are congruent (statement 3), the Triangle-Angle Angle Similarity Postulate can be applied to show that triangle SPT is congruent to triangle QPR (statement 4).

Now, the corresponding sides of the two triangles must be in proportion in order to prove that x = 12. For this, Dora can use the equation (3x + 24) : 51 = 3x : 85 (statement 5). This equation states that the ratio of the lengths of the corresponding sides of the two triangles is equal to the ratio of 3x to 51 and 3x to 85, respectively.

Since the ratio of the sides of the two triangles must be equal, then 3x + 24 must be equal to 85 and 3x must be equal to 51. Solving for x, we get x = 12, proving that if segment ST is parallel to segment RQ, then x = 12.

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The complete question

Look at the figure shown below. Dora is writing statements as shown to prove that if segment ST is parallel to segment RQ, then x = 12.

1.Segment ST is parallel to segment QR

Given

2.Angle QRT is congruent to angle STP

Corresponding angles formed by parallel lines and their transversal are congruent.

3.Angle SPT is congruent to angle QPR

Reflexive property of angles.

4.Triangle SPT is congruent to triangle QPR

Angle-Angle Similarity Postulate

5.?Corresponding sides of similar triangles are in proportion.

Which equation can she use as statement 5?

(3x + 24) : 3x = 85 : 51

(3x + 24) : 81 = 3x : 51

(3x + 24) : 51 = 3x : 85

34 : 24 = 3x : 51

After kicking, one coach likes to play practice games with 6 players on each
team. She doesn’t like any team to have more or fewer than 6 players and
she doesn’t like anyone to be left off a team. What are the possible numbers
of players who must show up to practice so that the coach can make these
teams?

Answers

Note that the question is about numbers in multiples of 6 or which can be divided equally by 6. Thus the likely number of people who must show up to practice so that the coach can make these teams are 6, 12, 18, 24, 30, 36, 48, and so on. The bottom line is that the number must be a common multiple of 6.

What is the proof that each of the numbers above will create teams of x players each?

One way to show that each of the numbers above will equal an exact team of 6 without anyone left off is by dividing each by 6. If we get an integer, then we are correct. Thus:

6/6 = 1 Team12/6 = 2 Teams18/6 = 3 Teams24/6 = 4 Teams30/6 = 5 Teams36/6 = 6 teams48/6 = 8 Teams.

Hence, the above Common Multiples are correct.

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What is the solution

Answers

the solutions for a system of equations is where the graphs of each equation meet or intersect.

for the picture above with two parallel lines, well, the lines are parallel and apart from each other, that means they never meet or intersect, and since they never intersect, they have no solution.

A magician asks a volunteer to think of two different positive integers without telling her what they are. She then asks him to calculate x, the sum of the larger number with the square of the smaller, and y, the difference between the numbers. The volunteer tells her that x = 9 and y = 3. Find the original numbers.

Answers

Answer: 2 and 5.

Step-by-step explanation: We can use algebra to solve for the original numbers. Let's call the smaller number "a" and the larger number "b". From the information given, we know that:

x = b + a^2

y = b - a

The volunteer tells the magician that x = 9 and y = 3. So we can use these values to create a system of equations:

b + a^2 = 9

b - a = 3

To solve for the original numbers, we can first add the two equations together to eliminate b:

a^2 + 2a + 2 = 12

a^2 + 2a = 10

a^2 + 2a - 10 = 0

(a + 5)(a - 2) = 0

This tells us that the two solutions for a are -5 and 2. But since a is a positive integer, we know that it must be 2.

We can now substitute this value of "a" back into the original equations to find "b":

b + a^2 = 9

b + 2^2 = 9

b + 4 = 9

b = 5

So the original numbers are 2 and 5.

At the end of a snow storm, Nolan saw there was a lot of snow on his front lawn. The temperature increased and the snow began to melt at a steady rate. The depth of snow on Nolan's lawn, in inches, can be modeled by the equation S=-1.75t+14,S=−1.75t+14, where tt is the time, in hours, after the snow stopped falling. What is the yy-intercept of the equation and what is its interpretation in the context of the problem?

Answers

Answer:

r

Step-by-step explanation:

e

Write the rule for the linear function shown in the table I’ll give brainliest

Answers

The linear function is y=-2x+5

If triangles are similar what’s the scale factor

Answers

Answer:

1.5 on edg

Step-by-step explanation:

When two triangles are similar, the reduced ratio of any two corresponding sides is called the scale factor of the similar triangles. In Figure 1, Δ ABC∼ Δ DEF. Figure 1 Similar triangles whose scale factor is 2 : 1. The ratios of corresponding sides are 6/3, 8/4, 10/5.

hi please help me I’ll do the Brian list thing!!!


A set of eight cards were labeled with S, U, B, T, R, A, C, T. What is the sample space for choosing one card?
Os={A, B, C, R, S, U}
Os = {A, B, C, R, S, T, T, U}
Os = {A, U}
Os={T}

Answers

It is (a,b,c,r,s,t,t,u) Explanation; it would be a biased set if you left out a card, such as ABC(you are leaving out the other cards)

Why is base e used in exponential functions?

Answers

Base e used in exponential functions because base e is the base rate of growth shared by all continually growing processes which lets us take a simple growth rate.

What does the base represent in an exponential function?

In an exponential function, the base b is a constant. The exponent x is the independent variable in which the domain is the set of real numbers. There are two types of exponential functions, those are exponential growth and exponential decay. In the function f (x) = b^x when b > 1, the function represents exponential growth.

Base e allows us to take a simple growth rate, where all change occurs at the end of the year, and find the influence of compound, continuous growth, where every nanosecond or faster, we are growing slightly.

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The probability of spinning an odd number, flipping heads, then spinning a yellow is

Answers

The probability of spinning an odd number, flipping heads, then spinning a yellow is of 1/9.

How to obtain a probability?

A probability is calculated as the division of the number of desired outcomes by the number of total outcomes.

The probabilities for each case in this problem are given as follows:

Odd number: 2/3. (2 out of 3 regions in the spinner are odd numbers, 1 and 3).Heads: 1/2. (fair coin, equally as likely to be heads or tails).Spinning a yellow: 1/3.

The events are independent, hence the probability is obtained multiplying each probability as follows:

p = 2/3 x 1/2 x 1/3 = 1/9.

Missing Information

The complete problem is given by the image shown at the end of the answer.

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Is there a factor on this pls help Questiob : 5x ^ 2 - 8x + 9​

Answers

Answer:

(5x - 3)(x - 3)

Step-by-step explanation:

Yes, the expression "5x^2 - 8x + 9" can be factored.

One way to factor it is to find the two numbers that multiply to give 9 (the constant term) and add to give -8 (the coefficient of x). These two numbers are 3 and -3.

We can use these two numbers to factor out the common factor (x - 3) from the expression:

5x^2 - 8x + 9 = (5x^2 - 8x) + 9

= (5x^2 - 8x + 9) - 9 + 9

= (5x^2 - 8x + 9) - (3x - 3x)

= (5x - 3)(x - 3)

So the fully factored form of the expression is (5x - 3)(x - 3)

So, (5x - 3) and (x - 3) are the factors of the expression "5x^2 - 8x + 9"

Please help meee !?!,,,

Answers

Answer:

$3

Step-by-step explanation:

$13.99 is for one hour and one hour is for 3 children. This means they paid a total of 3 hours.

$13.99 * 3 = $41.97 for admission alone

Now our total is $50.97

Let's subtract that from admission to find sock price in total

$50.97-$41.97 = $9

Again, 3 children and each for a pair, so lets divide that $9 by 3 for each child.

$9/3 = $3

what is y=2x-8 y=-x+1 on a graph

Answers

not sure if you need the solution too but if you do it’s (3,-2)

If p is inversely proportional to the square of q, and p is 20 when q is 7, determine p when q is equal to 2.

Answers

Answer:

p is 245 when q is equal to 2

----------------------------------

p is inversely proportional to the square of q:

p = k/q², where k- coefficient of proportionality

p is 20 when q is 7, substitute:

20 = k/7²

Find the value of k:

k = 20*7² = 20*49 = 980

Determine p when q is equal to 2:

p = 980/2² = 980/4 = 245

A recipe calls for 3½ pounds of sauce. How much sauce will be required to make 1/3 of the recipe?​

Answers

3/3 cups + another 1/3 cups. So 4/3 cups.

Use the origin as the center of dilation and the given scale factor to find the coordinates of the vertices of the image of the polygon. K = 1/2

Answers

The new coordinates of the polygon are J'(-5/2, 3/2), K'(1, 3/2), L'(1, -3/2), M'(-5/2, -3/2).

What is transformation?

Transformation is the movement of a point in the coordinate plane. Types of transformation are reflection, rotation, translation and dilation.

Dilation is the enlargement or reduction in the size of a figure by a scale factor.

Given the coordinates of polygon J(-5, 3), K(2, 3), L(2, -3), M(-5, -3). For a dilation with a scale factor of 1/2, the new coordinates are:

J'(-5/2, 3/2), K'(1, 3/2), L'(1, -3/2), M'(-5/2, -3/2).

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Find the length of the third side, if necessary, write in simplest radical form.

Answers

Answer:

The length of the third side is 7.

Step-by-step explanation:

We can use the Pythagorean theorem to evaluate the length of the third side.

[tex]a^2+b^2=c^2[/tex]

Let the third side be [tex]a[/tex].

Lets solve for [tex]a.[/tex]

Subtract [tex]b^2[/tex] from both sides.

[tex]a^2=c^2-b^2[/tex]

Take the square root of both sides.

[tex]a=\sqrt{c^2-b^2}[/tex]

We are given

[tex]c=\sqrt{58} \\b=3[/tex]

Lets evaluate [tex]a[/tex].

[tex]a=\sqrt{(\sqrt{58} )^2-3^2}[/tex]

Simplify.

[tex]a=\sqrt{58-9}\\a=\sqrt{49} \\a=7[/tex]

The box-and-whisker plot below represents some data set. What is the value of the upper quartile?

Answers

The value of the upper quartile is 24.

What is quartile calculation method?

This method is used to divide a data set into four equal parts and find the values of the quartiles.

To calculate the upper quartile, we first need to find the median (the middle value) of the data set.

This question involves the use of the quartile calculation method.

This can be done by arranging the data in numerical order and finding the middle value.

In this case, the median value is 20.

The upper quartile is then calculated by finding the median of the values above the median.

In this case, the values above the median are 22, 24, 28, and 30.

To find the upper quartile, we need to calculate the median of these values.

This is done by arranging the values in numerical order and finding the middle value, which is 24. Therefore, the upper quartile is 24.

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What is the measure of 90,and measureof the inscribe angle

Answers

Answer: 45 degrees

Step-by-step explanation:

By the inscribed angle theorem, the measure of an inscribed angle is half the measure of the intercepted arc. The measure of the central angle ∠POR of the intercepted arc ⌢PR is 90°. Therefore, m∠PQR=12m∠POR =12(90°) =45°.

Identify the equation of the line graphed
A
B
C
D
A. x + 2y = -2
B.
x-2y = 2
C. 2x + y = -1
D. 2x-y = 1

Answers

ANSWER: a) x + 2y = -2

First lets look at the line and find the equation in slope intercept form

It intercepts at the Y-axis at (0, -1)
You can take two points and use slope point form to find the slope.
The slope is -1/2 so the equation is y = -1/2x - 1

Now all thats left to do is to put it into standard form. Or do it the other way around and put standard form into slope intercept form.

You should get a) x + 2y = -2

What is the formula for midpoint of a line segment?

Answers

The midpoint of a line segment with endpoints A(x1,y1) and B(x2,y2) is the point: M((x₁+x₂)/2,(y₁+y₂)/2)).

The midpoint formula is defined for the points in the coordinate axes. Let (x)1, (y)1, and (x)2, (y)2 be the endpoints of a line segment.

The midpoint is equal to half of the sum of the x-coordinates of the two points, and half of the sum of the y-coordinates of the two points.

The midpoint formula to calculate the midpoint of a line segment joining these points can be given as,

The midpoint is halfway between the two endpoints:

Its x value is halfway between the two x valuesIts y value is halfway between the two y values

To calculate it:

Add both "x" coordinates, divide by 2

Add both "y" coordinates, divide by 2

M=(xA+xB/2,yA+yB/2)

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need help with math tyyy

Answers

Answer:

The answer is D!

the answer would be d, they are looking for wrong charts, a,b, and c are all factors le by their corresponding numbers

A vase is in the shape of a cone. The height is 12 inches and the diameter is 4.4 inches.

What is the lateral surface area to the nearest tenth of a square inch

Answers

The lateral surface area of the cone is:

A = 84.3 in²

How to get the lateral surface area of the vase?

We know that for a cone of height H and a radius R, the lateral surface area is given by the formula:

A = pi*R*( √(H² + R²))

Where pi = 3.14

Here the height is 12 inches, and the diameter is 4.4 inches, then the radius is:

R = 4.4i/2 = 2.2 in

Then the lateral surface area is:

A = 3.14*2.2in*( √((12in)² + (2.2in)²))

A = 84.3 in²

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