MATHEMATICS HIGH SCHOOL

What is an equivalent expression for 9(3+8x)

please hurry

Answers

Answer 1

Answer: 9(3+8x)
The answer is 27+72x

Answer 2

Answer:

Answer:

72x+27

Step-by-step explanation:

Use the distributive property to multiply 9 by 3+8x.

27+72x

Please give me the Brainliest answer!!!!!!!

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Find the exact Solution of x.x^2 = 16

A)x = 4
B)x = -4
C)x = ±4
D)No Solution

Answers

$x^(2)$ = 16

First, take the square root to both sides.
$x =$ ± $√(16)$
Second, now we have 4 × 4 which is 16, meaning the square root of 16 is 4.
$x =$ ± $4$
Third, there are two solutions.
$-4 \n and \n 4$
Fourth, since we have two values, it is reasonable to use the plus-minus sign to indicate there is a positive and a negative solution.

Answer: C) x = ±4

x^2 = 16
x = √16
x = 4.
so the answer is A. x = 4.

The volume Equals Four thirds pi r cubed of a spherical balloon changes with the radius. a. At what rate (cubed/in) does the volume change with respect to the radius when r equals 9 in question mark b. Using the rate from part a, by approximately how much does the volume increase when the radius changes from 9 to 9.5 in question mark

Answers

Answer:

Step-by-step explanation:

Given

Volume of spherical Balloon is given by

$V=(4)/(3)\pi r^3$

(a)Rate of change of balloon w.r.t to radius is given by

$\frac{\mathrm{d} V}{\mathrm{d} r}=3* (4)/(3)\pi r^2=4\pi r^2$

at $r=9\ in.$

$\frac{\mathrm{d} V}{\mathrm{d} r}=324\pi\ in.^2$

(b)Using the rate Volume change when radius increases from r=9 in. to r=9.5 in.

$\Delta V=4\pi (9)^2(9.5-9)=162\pi\ in.^3$

Mrs. Thomas bought 2/4 yard of one fabric and 3/4 yard of a different fabric. How many total yards of fabric did she buy?

Answers

Plzz mark brainlest

Answer:

1 1/4

Step-by-step explanation:

You don't add the bottom one you have to dived it by two and it is a decmail one so you have to add it it and you want to keep the bottom and it is fifteen sone you want to add the one as the whole number and keep the one for the top and keep the bottom one so you will get 1 1/4 and I use this one and it was right!

It is 5/4 yards, you just add
When the denominator ( the bottom number ) is the same, just add the numerator ( the top number ) together :)
hope this help

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