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3 years ago

I need help with my math problems

Mathematics

1 answer:

nekit [7.7K]3 years ago

3 0

Answer:

Step-by-step explanation:

X Y X Y

0 3 0 5

1 7 1 8

2 11 2 11

3 15 3 14

4 19 4 17

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In the expression 2m-5, which is the coefficient ?

m_a_m_a [10]

Answer:

Step-by-step explanation:

It is the number before the variable (m).

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2 years ago

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mote1985 [20]

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2 years ago

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Multiply (-8x - 9)(-9x2 + 7x - 9).

Misha Larkins [42]

= (-8x - 9)(-9x2 + 7x - 9)

= 72x³ - 56x² + 72x + 81x² - 63x + 81

= 72x³ + 25x² + 9x + 81

In short, Your Answer would be: Option D

Hope this helps!

3 0

3 years ago

Read 2 more answers

Part B

stira [4]

<h3>Given:</h3>

Radius of 50 point region= 3 in
Width of other regions= 4 in

The area of the target which earns 30 points on a throw.

<h3>Solution:</h3>

$\huge\boxed{Formula: a= \pi{r}^{2}}$

$4+3$

$=7$

Let's solve

We have to find the answer in terms of π so, we'll just have to multiply the radius by itself.

$a={7}^{2}$

$\large\boxed{a= 49 \pi\: {in}^{2}}$

Hence, the area of the target which earns 30 points on a throw is 49π square inches.

Answer= Option B

7 0

2 years ago

Can someone help me with this please

MrRa [10]

Answer:

Andre's Method is the only one that works

Step-by-step explanation:

Noah's method won't work because he doesn't follow the order of operations. You can pull the the 9 out first you have to distribute the 2 first.

Elena's method doesn't work because to eliminate the 18 you must use the reverse operation it must be added not subtracted.

Andre's Method is the only one that works

7 0

3 years ago