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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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The length of the box is 2x - 2 and the width is x - 5. Find the perimeter. (HINT: p= 2L + 2W) Choose one.
trasher [3.6K]

Answer:

Option D: 6x-14 is the correct answer.

Step-by-step explanation:

Given that:

Length of the box = L = 2x-2

Width of the box = W = x-5

Perimeter is defined by the sum of length of all sides of the box.

Perimeter of the box = P = 2L + 2W

Perimeter of box = 2(2x-2) + 2(x-5)

Perimeter = 4x-4+2x-10

Perimeter = 6x-14

The perimeter of the box is 6x-14.

Hence,

Option D: 6x-14 is the correct answer.

6 0
3 years ago
I have to factor polynomials by grouping
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

Factor 6f3−8f2+20−15f

6f^3−8f^3−15f

=(3f−4)(2f2−5)

Answer:

(3f−4)(2f^2−5)

Find the group you want to factor, such as in the first parenthesis, you remove 3f from the whole equation, and end up with 3f-4. You take the end value, and group it with -5. You will then end up with 2f^2 -5.

Hope this Helps!

6 0
3 years ago
?C and ?D are complementary angles. If m?C = 36º, what is m?D?
ki77a [65]

Step-by-step explanation:

mC=36

mC+mD=90

36+mD=90

mD=54

5 0
3 years ago
The freezing point of water is 0°C. Imani's refrigerator is set at 4°C, and her freezer is set at
qaws [65]

Answer: +23

Step-by-step explanation:

It would be 23 because the difference between -19 and 4 is 23

7 0
3 years ago
Drake types 156 words every 3 minutes. What is the unit rate of words per minute?​
melomori [17]

Answer:

He types 52 words per minute.

Step-by-step explanation:

156 by 3 = 52

3 0
3 years ago
Read 2 more answers
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