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3 years ago

Thank you! Please do both

Mathematics

1 answer:

SVETLANKA909090 [29]3 years ago

8 0

Answer:

my 12 inch pito that pito good

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What is the product of -2/7 and -3/7?

iren [92.7K]

Answer:

The answer is 6/49, I hope this helps.

7 0

2 years ago

Please help i dont get it.. Determine the average rate of change from 0 to 3.

lapo4ka [179]

Answer:

your answer will be D

Step-by-step explanation:

look at the graph and find a corner by the black line there is a corner by -2 and positive 2

3 0

2 years ago

What conclusions can you draw about the roots of the equation x^3+x^2-2x+12=0

nexus9112 [7]

Answer:

x=-3

Step-by-step explanation:

If x=-3, then

x³+x²-2x+12=-27+9+6+12=-27+27=0

If this is true, then x+3 is a factor. So:

x³+x²-2x+12/x+3=x²-2x+4

So the factors of x³+x²-2x+12 are:

(x+3)(x²-2x+4)

((x²-2x+4) has no real roots)........

4 0

2 years ago

Brainliest for correct answer

Kobotan [32]

Answer:

m=14

n=32

p=64

Step-by-step explanation:

B=M, so 154=11m

m=154/11

m=14

E=P, so 118=n+86

n=118-86

n=32

A=L, so 116=180-p

p=180-116

p=64

7 0

3 years ago

Jerry solved the system of equations. x minus 3 y = 1. 7 x + 2 y = 7. As the first step, he decided to solve for y in the second

Reika [66]

Answer:

A. The variable x in the first equation has a coefficient of one so there will be fewer steps to the solution.

Step-by-step explanation:

Given

$Equation\ 1: x - 3y = 1$

$Equation\ 2: 7x + 2y = 7$

Required

Efficient way of solving the equations

The efficient way of solving this problem is by solving for x in the first equation because it has a coefficient of 1;

The evidence is shown as follows;

Make x the subject of formula in equation 1

$x = 1 + 3y$

Substitute 1 + 3y for x in equation 2

$7x + 2y = 7$

$7(1 + 3y) + 2y = 7$

Open bracket

$7 + 21y + 2y = 7$

$7 + 23y =7$

Make y the subject of formula

$23y = 7 - 7$

$23y = 0$

Divide both sides by 23

$\frac{23y}{23} = \frac{0}{23}$

$y = 0$

Recall that x = 1 + 3y

Substitute 0 for y in the above expression

$x = 1 + 3(0)$

$x = 1 + 0$

$x = 1$

Solving for y in the second equation will take more steps

6 0

3 years ago