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2 years ago

HELPPPPPPPPP ME I WILL GIVE BRAINLIEST

Mathematics

2 answers:

Andreas93 [3]2 years ago

8 0

Answer:

4. $g(x)=-x^{2}-10x-15$

6. $(2, -11)$

Tpy6a [65]2 years ago

5 0

Answer:

1. C

3. D

5. B

Don't know the others sorry!

Step-by-step explanation:

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1. Simplify. 4(2a - 1) - 4 + 7a

daser333 [38]

Answer:

Step-by-step explanation:

Let's simplify step-by-step.

4(2a−1)−4+7a

Distribute:

=(4)(2a)+(4)(−1)+−4+7a

=8a+−4+−4+7a

Combine Like Terms:

=8a+−4+−4+7a

=(8a+7a)+(−4+−4)

=15a+−8

Answer:

=15a−8

hope i helped

-lvr

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2 years ago

What is the difference between |-3|and -3?

Ber [7]

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers

A mountain bike wheel has a diameter of 26 in.

ch4aika [34]

C = pi * d

Plug in what we know:

C = 3.14 * 26

Multiply:

C = 81.64

3 0

2 years ago

A cone-shaped paper cup can hold 35 cubic inches of food. If the radius of the cone is 2.4 inches, what is the height of the con

SVETLANKA909090 [29]

$\bf \textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}~~
\begin{cases}
r=radius\\
h=height\\
-----\\
r=2.4\\
V=35
\end{cases}\implies 35=\cfrac{\pi (2.4)^2 h}{3}\implies 105=5.76\pi h
\\\\\\
\cfrac{105}{5.76\pi }=h\implies 5.805467091295 \approx h\implies 5.81 \approx h$