Lol I need the answer please

Mathematics

1 answer:

liberstina [14]2 years ago

4 0

Answer: The last one

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CAN SOMEONE JUST PLEASE ANSWER THIS ASAP FOR BRAINLIEST!!’

sesenic [268]

ANSWER

The three expressions are

$V = 2(9 - {b}^{3} )(9 + {b}^{3} )$

EXPLANATION

We were given the volume in cubic units to

$V = 162 - 2 {b}^{6}$

If we factor 2, we get,

$V = 2(81 - {b}^{6} )$

The expression in parenthesis is a difference of two squares. But you may not recognize it at first sight.

$V = 2( {9}^{2} - ({b}^{3})^{2} )$

This further gives us.

$V = (2)(9 - {b}^{3} )(9 + {b}^{3} )$

5 0

3 years ago

When 9 is subtracted from a number and then divided by 2, the answer is 4

Vikki [24]

The answer is 17. 4x2+9=17 and then 17-9=8 8/2 = 4!

6 0

3 years ago

Find the for an area of a sector with an arc length of 60 in and a radius of 15 inches

alexdok [17]

Arc length = radius * central angle (radians)
central angle (radians)= arc length / radius
central angle (radians)= 60 / 15
central angle (radians)= 4 radians

sector area =(central angle / 2) * radius^2
sector area = (4 / 2) * 225
sector area = 450

Source:
http://www.1728.org/radians.htm

8 0

2 years ago

Write an equation in point-slope form and slope-intercept form

suter [353]

Answer:

epresented on the horizontal axis and elevation on the vertical axis. For each situation, decide if the ... (from Unit 3, Lesson 4). 4. Each square on a grid represents 1 unit on each side. Match the numbers with the slopes of the lines. 1. - 7 / 1. C.

Step-by-step explanation:

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2 years ago

Five cupcakes and two cookies cost $19.75. Two cupcakes

djverab [1.8K]

Answer:

4.375 dollars per cookie and 2.2 dollars per cupcake

Step-by-step explanation:

hope this helps

5 0

2 years ago