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3 years ago

Select the correct answer. Which graph represents a direct variation?

Mathematics

2 answers:

mezya [45]3 years ago

7 0

Answer:

it has to be c

Step-by-step explanation:

Gnom [1K]3 years ago

3 0

Answer:

c is the correct answer

Step-by-step explanation:

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(5x^5) - (80x^3)<br> factoring

elena55 [62]

Answer:

Factoring the term $(5x^5) - (80x^3)$ we get $\mathbf{5x^3(x-4)(x+4)}$

Step-by-step explanation:

We need to factor the term $(5x^5) - (80x^3)$

First we can see that $5x^3$ is common in both terms

So, taking $5x^3$ common:

$(5x^5) - (80x^3)\\=5x^3(x^2-16)$

We can write $x^2-16$ as $(x)^2-(4)^2$

$=5x^3((x)^2-(4)^2)$

Now we can solve $(x)^2-(4)^2$ using the formula: $a^2-b^2=(a+b)(a-b)$

We can write:

$=5x^3((x)^2-(4)^2)\\=5x^3(x-4)(x+4)$

So, factoring the term $(5x^5) - (80x^3)$ we get $\mathbf{5x^3(x-4)(x+4)}$

4 0

3 years ago

Can someone please help me with my questions please I really really need help.

iogann1982 [59]

Answer:

not
28,45,53
37,36,45
10,24,26
not

8 0

3 years ago

Susan wants to save $800 to buy a TV. She saves $19 each week. The amount, A (in dollars), that she still needs after w weeks is

tamaranim1 [39]

Answer:A: $705

B: 19 weeks

Step-by-step explanation:

Calculator

3 0

4 years ago

Read 2 more answers

Yepa is solving 1.6 ÷ 6.4.

Softa [21]

Answer:

1/4=0.25

Step-by-step explanation:

4 0

3 years ago

(0,5) (3,4) into y=mx+b

Veseljchak [2.6K]

Answer:

y = -1/3x + 5

Step-by-step explanation:

Find slope.

m = y₂ - y₁ / x₂ - x₁

Two points given.

(0,5) (3,4)

m = 4 - 5 / 3 - 0

m = -1 / 3

y = -1/3x + b

Substitute x and y by an point. Let's take (0,5)

0 - x

5 - y

5 = -1/3(0) + b

5 = 0 + b

5 - 0 = b

5 = b

So,

y = -1/3x + 5

6 0

4 years ago