Mathematics High School

2. Evalute (3a +6b)³

Answers

Answer 1

Answer:

Here you go Hope it helps!!

Step-by-step explanation:

Related Questions

O 91.7 miles
O 55.5 miles
O 41.7 miles
O 63.8 miles

Answers

Answer:

* 55.5 miles

Step-by-step explanation:

17² + b² = 23²

289 + b² = 529

b² = 240

b = 15.491 ≈ 15.5

17 + 23 + 15.5 = 55.5

You can also simply notice B is the only answer with a .5 decimal and thus don't have to add.

What is the degree measure of
A
310
34
58
D

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Answer:

Step-by-step explanation:

A triangle always has a sum of 180 degrees

First, let us find the right angle

180-149=31

Now find v

180=31+115+x

180-146=x

x=34

Select the correct answer.
What is the value of y?
A.3
B.8
C.4
D.16

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A. It’s 3..............

Name the interval on which the function graphed below is
increasing.

1. X>1.5
2. X<1.5
3. X>0
4. -1

Answers

Answer:

Step-by-step explanation:

x > 1.5

20 POINTS AND BRAINIEST!

You want to sell lemonade by the park. Different brands of lemonade have different formulas. You want to sell the lemonade that tastes the most “lemony.” You use 4 cups of lemon concentrate and 6 cups of water.
What fraction of the TOTAL mixture is lemon concentrate? What percentage is this?

Answers

Answer:

4/10

Step-by-step explanation:

you add the amount of cups of concentrated lemon plus the amount of water and it is 10. and then it asks for the faction of lemon concentrate out of 10. so it would be 4/10

Hope this helps!!

Which expression is equivalent to (18x + 9k) + (2x + 6k)?
16 x + 3 k
20 x + 15 k
20 x + 16 k
36 x + 54 k

Answers

20x + 15k is the answer we just have to remove the bracket and add the terms

hope it helps

Answer:

20x + 15K

Step-by-step explanation:

just add like variables (x and Y)

Brookwood High School is considering adding co-ed soccer to the sports program for the fall
season. In order to get an unbiased sample of interest in soccer, who should the school survey?
A. girls in PE class

B. members of the soccer team

C. every fifth student entering the cafeteria

D. students in freshman homerooms

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Answer:

Step-by-step explanation:

-6(-2x -y + 4)

It also says to use the distributive property

Answers

Answer:

The answer is 12x+6y-24

Step-by-step explanation:

Answer:

12x + 6y -24

Step-by-step explanation:

Pierce removes the plug from a trough to drain the water. The volume, in gallons, in the trough after it has been unplugged can be modeled by the expression 10x2 −17x + 3, where x is the time in minutes. Choose the appropriate form of the expression that would reveal the time in minutes when the trough is empty.

10(x − 3)2 − 1
10(x − 1)2 − 3
(5x − 1)(2x − 3)
10(0)2 − 17(0) + 3

Answers

Answer:

(5x - 1)(2x - 3)

10x^2 - 17 + 3 = (5x - 1)(2x - 3)

Answer:

C.(5x − 1)(2x − 3)

find the area of the composite figure

Answers

Answer:

12 x 13 = 156

17 - 12 = 5 x 12 = 60

156 + 48 = 216

Steven warms a cup of a coffee to a temperature of 195°F and then leaves it to cool in a room that is 75°F. This equation represents the
temperature, T, of the coffee in the cup after x minutes.
T = 75 + 120e-0.051
After how many minutes will the temperature of the coffee be approximately 141°F?

Answers

Answer:

12 minutes

Step-by-step explanation:

First substitute 141°F for T in the given equation.

Then isolate the exponential term.

Now rewrite the equation as a natural log, and solve for x.

After 12 minutes will the temperature of the coffee be approximately 141°F.

What is temperature?

Temperature is the degree of hotness or coldness expressed in terms of any of numerous scales, such as Fahrenheit and Celsius. Temperature suggests the route wherein heat strength will spontaneously flow—i.e., from a warmer body (one at a better temperature) to a less warm frame (one at a lower temperature).

diploma measures of temperature are typically expressed with the ° temperature scale: The sample became heated to 80 °C.

Substitute the 141°F in the equation

⇒T = 75 + 120e-0.051

⇒ 141 = 75 + 120x - 0.051

⇒ 120x = 141 -75 + 0.051

⇒120x = 66.051

Learn more about temperature here:-https://brainly.com/question/24746268

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6. Mr. Walthour is building a storage shed in a conical shape. The base of the shed is 4 meters in diameter and the height of the shed is 3.8 meters. What is the volume of the shed? Round to the nearest tenth. (Example 2)

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I think it helps you..............

Find the rate of change given the following solutions: (6, 2) and (1, 12).

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Answer:

The rate of change is -2

Step-by-step explanation:

f(b)-f(a) 12-2 10

---------- = ------------ = -------- = -2

b-a 1-6 -5

Find the value of x.

Answers

Answer:

Step-by-step explanation:

subtract each external angle by 180 to find the interior angle.

Since you know that all of the interior angles add up to 540 because 180(n-2)

with n is how many sides in the polygon

so 180(5-2)=540

now take each value and subtract it by 180

180-(45)=135

180-(40)=140

180-(x)=180-x

180-(77)=103

180-(2x)=180-2x

135+140+180-x+103+180-2x=540

738-3x=540

x=66

hope that helps :)

Please give brainliest

Whats the answer to x^2=9

Answers

Answer:

x=3

Step-by-step explanation:

3 times 3 is 9

Answer:

X=3

Step-by-step explanation:

A pet home owner wants to keep the ratio of cats to dogs at 3:5. She has 21 cats, how many dogs are there in the pet home?

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35 dogs

Step-by-step explanation:

The ratio of cats to dogs can also be written as

3/5 = 21/x

x = 35

Please help me pls plsss

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Answer:

c is correct

Step-by-step explanation:

If you look at it, 2x is the slope. Always remember the formula y = mx + b

The mx is your slope. And the whole number is your b or y - intercept

Hope this Helps!! :)

(50 points really need help on this it's the last question)

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Answer:

Pretty sure it's C

Step-by-step explanation:

trUst mE

A,C,E

Step-by-step explanation:

I got it right on my test

aaaa helppp :((((!!!!!!!!!!

Answers

Answer:

I am pretty sure it is the third one

Step-by-step explanation:

Answer:

yea for sure the third one

Step-by-step explanation:

1/8 to decimal number

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Answer: 0.125

Step-by-step explanation:

What does x equal in this problem

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X is equal to 277........

277
good luck!!!!!!!

What is the value of the expression below when x=10x=10 and y=4y=4?
8x-7y
8x−7y

Answers

Answer:

Step-by-step explanation:

8(10) - 7(4)

8X10 - 7X4

80 - 28

The price of a book, which regularly sells for $24, was marked down by 25%. A coupon reduced the price by another 10%. What was the final selling price?

Answers

Answer:

$16.20

Step-by-step explanation:

24.00 × 25%= 6.00

24.00 - 6.00 = 18.00

18.00 × 10%=1.80

18.00 - 1.80 = 16.20

A percentage is a way to describe a part of a whole. The final cost of the book will be $16.2.

What are Percentages?

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

Given the cost of the book is $24. Therefore, the cost of the book after a 25% discount is,

Cost of book after discount = $24×(100%-25%) = $18

Now, the cost after the 10% counpon will be,

Cost after the 10% counpon = $18×(100%-10%) = $16.2

Hence, the final cost of the book will be $16.2.

Learn more about Percentages:

https://brainly.com/question/6972121

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Simplify the Expression

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11a^3-4a^2-14a-7 is the correct answer :)

HELP DUE IN 10 MINS! Determine whether the triangle described is right, obtuse, or acute. Show work to justify your answer.

7, 10, 13

This triangle is a obtuse, acute, right triangle?? because blank number is equal to, greater than, or less than another number??

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Obtuse scalene triangle

And angle measures 54° more than the measure of its complementary angle what is the measure of each angle

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Answer:
The measure of the angles are 72 degrees and 18 degrees
Step-by-step explanation:
we know that
If two angles are complementary, then their sum is equal to 90 degrees
Let
x -----> the measure of an angle
y-----> the measure of he other angle
we know that
x+y=90 -----> y=90-x -----> equation A
x=y+54 ----> equation B
substitute equation B in equation A and solve for y
y=90-(y+54)
y=90-y-54
2y=36
y=18°
Find the value of x
x=y+54 -----> x=18+54=72°
therefore
The measure of the angles are 72 degrees and 18 degrees

X(-9x^2-5x+9)
..................

Answers

(-9x^3-5x^2+9x)
hope it helps

Simplify

12d divided by 2

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Answer:

Step-by-step explanation:

6d . You divide 12 and 2 which is 6 then add the d on your answer.

What is the range of the graph?

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Answer:

Step-by-step explanation:

the graph is forever extending to infinity, so there's no definite range

Find the equation of the line between the points (10, – 5) and ( - 2,0).

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Answer (assuming it can be in slope-intercept form):

[tex]y = -\frac{5}{12} x-\frac{5}{6}[/tex]

Step-by-step explanation:

1) First, find the slope of the line between the two points by using the slope formula, [tex]m = \frac{y_2-y_1}{x_2-x_1}[/tex]. Substitute the x and y values of the given points into the formula and solve:

[tex]m = \frac{(0)-(-5)}{(-2)-(10)} \\m = \frac{0+5}{-2-10} \\m=\frac{5}{-12}[/tex]

Thus, the slope of the line is [tex]-\frac{5}{12}[/tex].

2) Next, use the point-slope formula [tex]y-y_1 = m (x-x_1)[/tex] to write the equation of the line in point-slope form. Substitute values for [tex]m[/tex], [tex]x_1[/tex], and [tex]y_1[/tex] in the formula.

Since [tex]m[/tex] represents the slope, substitute [tex]-\frac{5}{12}[/tex] in its place. Since [tex]x_1[/tex] and [tex]y_1[/tex] represent the x and y values of one point the line intersects, choose any of the given points (it doesn't matter which one, it will equal the same thing) and substitute its x and y values into the formula as well. (I chose (-2,0), as seen below.) Then, isolate y and expand the right side in the resulting equation to find the equation of the line in slope-intercept form:

[tex]y-(0)=-\frac{5}{12} (x-(-2))\\y-0 = -\frac{5}{12} (x+2)\\y = -\frac{5}{12} x-\frac{5}{6}[/tex]

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2. Evalute (3a +6b)³​

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2. Evalute (3a +6b)³