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ddd [48]
3 years ago
5

How do you find the solution

Mathematics
1 answer:
Viefleur [7K]3 years ago
7 0

f(x) = 3x² + 7

f(2) = 3 (2)²  + 7

     =  3(4) + 7

     =   12 + 7

     =    19

so plug the numbers in for x

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Write 3 addition facts that have the same sum as 5 + 9
Dovator [93]

Answer:

10+4=14

8+6=14

13+1=14


5 0
3 years ago
Read 2 more answers
The Empire State Building is just over 1,450 feet tall. In anticipation of visiting this landmark on your vacation, you create a
Sergio [31]

Answer:

365 and 1/2 blocks will be used

The scale fact is 0.25

Step-by-step explanation:

So . .

  • We create a ratio 1:2

This represents 1 block is equivalent to 2 feet

  • Simply 1450 ÷ 2 = 725

So . . There are 725 feet and because One block is equal to 2 feet you divide 725 ÷ 2 =  362.5 blocks will be used

To find the scale factor simply divide the deminsions of the new shape by old

  • 362.5 ÷ 1450 = .25
5 0
2 years ago
A company uses two vans to transportworkers from a free parking lot to theworkplace between 7:00 and 9:00 a.m.One van has 6 more
OverLord2011 [107]
X = small van capacity, y = larger van capacity
y = x + 6

2x + y = 57
now we sub in x + 6 for y
2x + x + 6 = 57
3x + 6 = 57
3x = 57 - 6
3x = 51
x = 51/3
x = 17

y = x + 6
y = 17 + 6
y = 23

small van (x) has 17 seats and large van (y) has 23 seats

3 0
3 years ago
on tuesday a local hamburger shop sold a combined total of 348 hameburgers and cheeseburger. the number of cheeseburger sold was
ANTONII [103]

Answer:

There were 261 Cheeseburgers and 87 Hamburgers sold on Tuesday

Step-by-step explanation:

Lets write some equations where H=Hamburgers and C=Cheeseburgers:

1) H+C=348

2) C=3H

1) Substitute 3H as C in the first equation:

3H+H=348

2) Combine alike terms:

4H=348

3) Divide both sides by 4:

H=87

4) Now, substitute 87 as H in the first equation:

87+C=348

5) Subtract 87 from both sides:

C=261

6 0
4 years ago
The area of a circle is 144 π cm2 what is the diameter of the circle
never [62]

Step-by-step explanation:

Area = pi × r²

144 pi cm² = pi × r²

144 pi ÷ pi = r 2

root 144 = r

12 cm = r

diameter = 2r = 2(12) = 24 cm

4 0
3 years ago
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