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Tcecarenko [31]
3 years ago
14

H(x) = 2x^2 + 5; Find g (-7)

Mathematics
2 answers:
olasank [31]3 years ago
8 0
The answer is 4x....
r-ruslan [8.4K]3 years ago
5 0

Answer:

103

Step-by-step explanation:

First you plug In -7 for x

then you multiply -7 × -7= 49

because of the exponent

then you multiply 2 to it and you get 98 then add 5 which you get 105

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Finding the area of a regular polygon​
ddd [48]
<h2><u>Solu</u><u>tion</u><u>:</u></h2>

360° ÷ 10 ÷ 2 = 18°

So the length of the decagon side is:

10 × tan18° × 2 = 20 × tan18°

The area is: ½ × 20 × tan18° × 10 × 10 = 1000 × tan18°

≈ 324.9

.: <u>3</u><u>2</u><u>4</u><u>.</u><u>9</u> is the final answer.

<em>I</em><em> </em><em>h</em><em>ope</em><em> </em><em>this</em><em> helps</em><em>. </em>

5 0
2 years ago
Answerr to –m+8–9m+–8m+–10m
CaHeK987 [17]

Answer:

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Step-by-step explanation:

https://photomath.app/en/

7 0
3 years ago
Read 2 more answers
A is inversely proportional to b. If a=7.2 when b=-4, what will a equal when b=6?
Tpy6a [65]

Answer:

<h2>a = - 4.8</h2>

Step-by-step explanation:

To find the value of a when b=6 we must first find the relationship between them.

The statement

a is inversely proportional to b is written as

a \:  \:  \alpha  \:  \:  \frac{k}{b}

where k is the constant of proportionality

When a = 7.2 , b = -4

So we have

7.2=  \frac{k}{ - 4}

k = 7.2 × - 4

k = - 28.8

So the formula for the variation is

a =  -  \frac{28.8}{b}

When

b = 6

That's

a =  -  \frac{28.8}{6}

We have the final answer as

<h3>a = - 4.8</h3>

Hope this helps you

7 0
4 years ago
9. 2 1/8 + 1 5/12
MrMuchimi

Answer:

9) Exact Form:  85 /24     Decimal Form:  3.541 6    Mixed Number Form:  3  13 /24

10) Exact Form:  17 /18     Decimal Form:  0.9  4

11) Exact Form: 3 /5          Decimal Form:  0.6

Step-by-step explanation:

9) Convert the mixed numbers to improper fractions, then find the LCD and combine.

10) Simplify the expression.

11) To subtract fractions, find the LCD and then combine.

4 0
3 years ago
Do you think x and x by the power of 2 are like terms? Explain using words, diagrams, tables etc.
natali 33 [55]

Answer:

No

Step-by-step explanation:

No, because x + x^2 cannot be grouped together.

8 0
4 years ago
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