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Oksana_A [137]
3 years ago
13

Please answer the question

Mathematics
1 answer:
shusha [124]3 years ago
6 0
The answer should be C. 3
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Find f(–2) for the function f(x) = 3x2 – 2x + 7.
Natasha_Volkova [10]

The correct answer is: 23

Explanation:

Given function:

f(x) = 3x^2 - 2x + 7 ---- (A)

f(-2) means that we have to put x = -2 in equation (A):

f(-2) = 3(-2)^2 - 2(-2) + 7 \\ f(-2) = 3*4 + 4 + 7 \\ f(-2) = 12+4+7 \\ f(-2) = 23 \\


Hence the correct answer is: f(-2) = 23.

8 0
3 years ago
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kevin has a rectangular-shaped garden its 15 feet by 12 feet wide he plants 36 square feet of tomatoes what percent of the garde
dusya [7]

Answer:

<u>20%</u> of the garden are tomatoes planted.

Step-by-step explanation:

Given:

Kevin has a rectangular-shaped garden its 15 feet by 12 feet wide.

He plants 36 square feet of tomatoes.

Now, to find the percent of the garden where tomatoes planted.

We need to get the total area of the garden first:

Total area of the garden =  15 feet by 12 feet.

                                         =  15 feet\times 12 feet.

                                         =  180\ square\ feet.

So, getting the area of the garden 180 square feet.

Now, we calculate the percent of the area of garden where tomatoes are planted:

\frac{Area\ of\ tomatoes\ planted}{Total\ area\ of\ garden} \times 100.

=\frac{36\ square\ feet}{180\ square\ feet} \times 100

=\frac{36}{180} \times 100

=\frac{3600}{180}

=20\%.

Therefore, 20% of the garden where are tomatoes planted.

3 0
3 years ago
Two rational numbers between -1 and 0
UkoKoshka [18]

Answer:

1 I think cause 1 square root is equal to 1

4 0
3 years ago
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Pleaseeeeee helppppp!!!!
ale4655 [162]

Answer:

noce

Step-by-step explanation:

noce

5 0
4 years ago
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What is the surface area of the solid...?​
ryzh [129]
580 square units !!
hope this helps you :))
5 0
2 years ago
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