Mathematics College

Please answer these giving brainliest to the first right person. 20 points.

Answers

Answer 1

Answer:

31.x>2

32.x<-2

33.x<5

34.x>0

Step-by-step explanation:

Related Questions

Let z = 1 + 3i and w = -3 - 4i.
Use the drop down menus to complete the statements.
The sum z + w is equal to - -i
The sum w + z is equal to - 2 - i
The result supports that complex number addition is

Answers

Step-by-step explanation:

z+w= 1+3i-3-4i = -2-i

w+z=-3-4i+1+3i = -2-i

So, z+w = w+z

So, complex number addition is commutative

If z = 1 + 3i and w = -3 - 4i, then z + w = - 2 - i and w + z = - 2 - i, which supports that complex number addition is commutative.

What is commutativity property of addition?

We are aware that the addition's commutative property states that altering the addends' order will not affect the sum.

How to solve it ?

Here z = 1 + 3i and w = -3 - 4i.

Now, z + w = 1 + 3i - 3 - 4i = 1 - 3 + 3i - 4i = - 2 - i

and w + z = - 3 - 4i + 1 + 3i = - 3 + 1 - 4i + 3i = - 2 - i

i.e. z + w = w + z

Clearly, the addition obeys the commutative property.

Therefore we can conclude that If z = 1 + 3i and w = -3 - 4i, then z + w = - 2 - i and w + z = - 2 - i, which supports that complex number addition is commutative.

Learn more about the commutative property here -

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1/4(-16x+8)? simplify or expand the expression

Answers

Answer:

-4x+2

Step-by-step explanation:

What is:

6t-2/4 + 4 (t+1) when t=5

Answers

Answer:

2 /20t+7

Step-by-step explanation:

6t-2/4+4(t+1). (Value of t=5)
=> 39.5

5. A Ferrari gets 14 miles per gallon of gas. Gas costs $3.18 per gallon. If the Ferrari's gas
tank holds nineteen gallons, and assuming the tank was empty, how much would it cost to fill
the tank and how far could the Ferrari go before it ran out of fuel?

Answers

Answer:

44.52

Step-by-step explanation

Solve the formula d = rt for t.
A. t=d/r
B. t= rd
c. t= r/d
D. t= d-r

Answers

It’s A t=d/r

Steps
Dr=t swap the sides
T=dr

Answer:

A,t=d/r

Step-by-step explanation:

if d=rt t=?

d/r=rt/r (to get alone t we devided by r on both sides)

d/r=t

i think it is clear

&i hope it helps you

Which is the best description for the graph?

Answers

Answer:

decreasing, then increasing. the parabola decreases as it approaches the vertex, then increases afterward

Does anyone know this answer

Answers

2. Square root of 112

Please help me with this one

Answers

what is the question

In order to test for the significance of a regression model involving 5 independent variables and 123 observations, the numerator and denominator degrees of freedom (respectively) for the critical value of F are

Answers

Answer: The numerator and denominator degrees of freedom (respectively) for the critical value of F are 4 and 118 .

Step-by-step explanation:

We know that , for critical value of F, degrees of freedom for numerator = k-1

and for denominator = n-k, where n= Total observations and k = number of independent variables.

Here, Numbers of independent variables(k) = 5

Total observations (n)= 123

So, Degrees of freedom for numerator = 5-1=4

Degrees of freedom for denominator =123-5= 118

Hence, the numerator and denominator degrees of freedom (respectively) for the critical value of F are 4 and 118 .

What is the sum of the expression (8- 4 i) + (-2+7i)?

Answers

Answer:

The sum of the expression (8 - 4i) + (-2 +7i) is (6 + 3i)

Step-by-step explanation:

In the complex numbers (a + bi) and (c + di), we can add the real parts together and the imaginary parts together, so their sum is

(a + bi) + (c + di) = (a + c) + (b + d)i

Let us use this fact to solve our question

∵ The complex numbers are (8 - 4i) and (-2 + 7i)

∴ Their sum = (8 - 4i) + (-2 + 7i)

∵ The real parts are 8 and -2

∵ 8 + -2 = 8 - 2 = 6

∴ The sum of the real parts is 6

∵ The imaginary parts are -4i and 7i

∵ -4i + 7i = 3i

∴ The sum of the the imaginary parts is 3i

∵ (8 - 4i) + (-2 + 7i) = (8 - 2) + (-4 + 7)i

∴ (8 - 4i) + (-2 + 7i) = 6 + 3i

∴ The sum of the expression (8 - 4i) + (-2 +7i) is (6 + 3i)

In the figure, mZ2 = 3(x+15) and m23 = 24°. Find x.
3
5
6
8

Answers

Answer:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

3*(x+15)*23-(24)=0

Step by step solution :

STEP

Equation at the end of step 1

(3 • (x + 15) • 23) - 24 = 0

STEP

Equation at the end of step 2

69 • (x + 15) - 24 = 0

STEP

Pulling out like terms

4.1 Pull out like factors :

69x + 1011 = 3 • (23x + 337)

Equation at the end of step

3 • (23x + 337) = 0

STEP

Equations which are never true

5.1 Solve : 3 = 0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

5.2 Solve : 23x+337 = 0

Subtract 337 from both sides of the equation :

23x = -337

Divide both sides of the equation by 23:

x = -337/23 = -14.652

Step-by-step explanation:

Last month, Carter earned $165 for his after-school job. If he was paid $8.25 per hour, how many hours did Carter work?

Answers

Answer:

Step-by-step explanation:

165 divided by 8.25 is 20.

Answer:

20 hrs

Step-by-step explanation:

Just divide $165 by $8.25

Hope this helps!

Who likes sushi?!?!?!

Answers

Answer:

I do :)

Step-by-step explanation:

Lol I usually get the crunchy roll

what is th nth term of 4 1 -2 -5 -8

Answers

Answer:

-3

Step-by-step explanation:

Answer:

here:- a=4; d:- (1-4)=(-2-1)=>-3

so, nth term= a+(n-1)d

=> 4+(n-1)-3=>4-3n+3=>7-3n

Step-by-step explanation:

nth term=(7-3n)

Solve the following 3x + 7 = 2x + 13 over 3

Answers

Answer:

3x+7=2x+13 over 3

3 (3x )+3 (7)=2x +13 over 3×3

9x+21=2x +13

9x- 2x=13-21

7x=-8

x=8/7

Step-by-step explanation:

Step 1:Multiply both sides by the denominator

Step 3:Group like terms

Step 5: Divide both sides to find for x

what is the value of x
х = 0/4

Answers

Answer:

Step-by-step explanation:

0 divided by anything is 0

It’s zero. Even if u look at the graph its zero

You need to purchase supplies for building a backyard deck. Your boss gives you the supply list and asks that you get the best deal by buying from either True Builder or Quality Supplies. You call both stores, and they provide the price information that you put into the table below. Which store provides the lowest total cost, and what is the cost without sales tax?

Answers

Answer:

a) The store which provides the lowest total costs is:

True Builders

b) The cost without sales tax is:

$407.48

Step-by-step explanation:

Data and Calculations:

Product Quantity True Builders Quality Suppliers

Price Costs Price Costs

Bricks 120 $2.20 $264.00 $2.25 $270.00

2 x 4 boards 40 ft $0.75 30.00 $0.70 28.00

1 x 6 boards 120 ft $0.60 72.00 $0.65 78.00

2 x 6 boards 30 ft $0.80 24.00 $0.80 24.00

Paint 2 gal. $15.50 31.00 $11.25 22.50

Paint Brushes 2 $7.50 15.00 $9.75 19.50

Total costs $436.00 $442.00

Imputed Sales Tax of 7% 28.52 28.92

Without Sales Tax $407.48 $413.08

Answer:

Quality Supplies 442.00

Step-by-step explanation:

A human head weighs 160 ounces. What is that weight in kilograms? Analyze the work below what is the students error?

Answers

Answer:

Well the weight is

Step-by-step explanation:

4.53592 kilos

Answer:

4.535924 kilograms

Step-by-step explanation:

1 ounce = 0.02834952 kilogram

160 * 0.02834952 = 4.535924

Ok so If and anchor descends -17.5 meters down in the ocean in 5 seconds, how much does it descend in 1 second?

Answers

-3.5 meters

explanation:
Divide -17.5 by 5 to get the distance the anchor travels in one second

-3.5 meters
Pls give the top person branly

Is 60N Cold or hot

Answers

Answer:

It is warm.

Step-by-step explanation:

[tex]4=\frac{6}{a}x+5[/tex]

Answers

What exactly is it asking for you to do?

Can y’all help plzzzzz

1.
m
In the figure below, m||n. Match the angle pairs with the
correct label for the pairs.
A. 24 and 26
a.
Corresponding Angles
HA
B. 25 and 28
b.
?
Same-Side Interior Angles
C. Z2 and 26
c.
?
Alternate Interior Angles
D. 24 and 25
d. ?
Vertical Angles

Answers

Answers
A- B
B-D
C-A
D-C

The matching is as follows:

1. <4 and <6 ------> same- side interior angle

2. <5 and <6 ------> vertical angles

3. <2 and <6 ------> corresponding angle.

4. <4 and <5 ------> alternate interior angle

What are properties of parallel lines?

Properties of Parallel Lines

The pairs of corresponding angles are equal.The pairs of vertically opposite angles are equal.The pairs of alternate interior angles are equal.The pairs of alternate exterior angles are equal.

Now, from the figure

1. <4 and <6 shows the relationship of same- side interior angle

2. <5 and <6 shows the relation of vertical angles

3. <2 and <6 shows the relation of corresponding angle.

4. <4 and <5 shows the relation of alternate interior angle

Learn more about parallel line here:

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Can someone plz plz help me with the last 2 problems #5 and #6

Answers

i believe your answers would be

1/2c+7 and 2H-9

If Jan is 3 years older now than Dale was 2 years ago, then Jan is how many older than Dale is right now.
A) 1 year
B) 2 years
C) 3 years
D) 5 years

Answers

the answer is a (1 year)

PLEASE HELP WITH THIS WILL GET EXTRA POINTS

Answers

Answer:

1.2

2.4

3.6

4.8

5.9

6.4

7.3

8.6

Step-by-step explanation:

The rule (x, y)→(x−1, y-3) represents a translation 1 unit ____ and 3 units ____

Answers

Answer: left, down

Hope this helps.

5 + 5 + 5 + 5 + 220+ 30004

Answers

Answer:

30244

Step-by-step explanation:

Please answer this correctly without making mistakes

Answers

Answer:

This is what internet says. Maybe this helps.

find the perimeter of a circle whose diameter is 12.6 cm please help and show working

Answers

Do you mean the circumference? You can’t find the perimeter of a circle. The circumstance of the circle is 39.584 to 3dp.

Answer:

39.584034 cm

Step-by-step explanation:

Firstly find the radius, 6.3 cm. Then plug into the formula, 2πr.

I used 3.14159 as pi.

work:

2 * 3.14159 * 6.3

6.28318 * 6.3

39.584034

can someone answer plzzzz

Answers

Answer:

6,882,000 miles

Step-by-step explanation:

Other Questions

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