3 years ago

NEED HELP PLEASEEEEEEE

Mathematics

2 answers:

grin007 [14]3 years ago

5 0

It going to be 3(x+4)

timurjin [86]3 years ago

4 0

It’s the 3rd one that’s the answer for your question

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A spherical ball has a radius of 4 inches. What is the volume of this sphere, to the

stealth61 [152]

Answer:

V = 267.9 in^3

Step-by-step explanation:

V = 4/3 * (pi) * r^3

V = 4/3 * 3.14 * 4^3

V = 4/3 * 3.14 * 64

V = 256/3 * 3.14

V = 803.84/3

7 0

3 years ago

Andre says 10x + 6 and 5x + 11 are equivalent because they both equal 16 when x is 1. Do you agree with Andre?

Serga [27]

Answer:

No, They are not equivalent

Step-by-step explanation:

The two expressions are only said to be equivalent if they are the same regardless of whatever value the variable(s) is.

The variable in this question is x.

To prove this, we equate both expressions:

$10x + 6 = 5x + 11$

$10x - 5x = 11 - 6\\\\\\5x = 5\\\\\\x = 1$

This shows that they have the same value ONLY when x is 1.

This is why Andre says that they are equivalent, but they are not.

8 0

3 years ago

Part one: Solve the standard form for the equation of a line for x.

vichka [17]

Answer:

Step-by-step explanation:

3 0

3 years ago

You return several shirts to a store. The receipt shows that the amount placed back on your credit card is − $30.60. Each shirt

iris [78.8K]

I did this on a calculator may or may not be correct but I got 18

6 0

3 years ago

Read 2 more answers

20 points and brainliest if answered correctly

Elena L [17]

Answer:

$y=9,x=4$

Step-by-step explanation:

System of equations:

$x+y=13$

$60x+80y=960$

_____________

simplify:(isolate x)

$x=$ $\frac{4(-y+12)}{3}$

$x+y=13\\$

substitute equation for x into second equation:

$\frac{4(-y+12)}{3} +y=13\\$

simplify:

$\frac{-y+48}{3}=13\\ y=9\\$

substitute y into equation for x:

$x=4$

5 0

2 years ago