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solniwko [45]
2 years ago
5

20 pts!!! HURRY What is the surface area of the pyramid? PLEASE HURRY

Mathematics
1 answer:
Viktor [21]2 years ago
8 0

Answer:

148.1

Step-by-step explanation:

I looked it up on a smart website that is certified to be the right answer. Trust me.

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romeo makes $12.00 an hour for his first hour of work, $17.00 his second hour, $22.00 his third hour and so on. How much money i
vaieri [72.5K]

Step-by-step explanation:

This can be modeled by the equation f(x)=7+5x

Because if f(1)=7+5=12, f(2)=7+10=17, and f(x)=7+15=22

If x=50 then f(50)=7+5(50)

f(50)=$257

5 0
3 years ago
If the Alexanders completed the 735 mile trip in 15 hours, what was their average rate of travel?
Darina [25.2K]
The rate of travel here is in mph - "miles per hour".

That just means how many miles you can travel in one hour. In this problem, you're given 15 hours, and the distance they travel within those 15 hours.

Therefore, you should divide both the number of miles and the number of hours by 15 to find out how far they can travel in 1 hour.

735 ÷ 15 = 49 miles
15 ÷ 15 = 1 hour

Their average rate of travel was 49 miles in 1 hour, which is 49 mph.

6 0
3 years ago
Read 2 more answers
Ten percent of the reds are added to twenty percent of the blues, and the total is 24. Yet the product of the number of reds and
salantis [7]
0.10r + 0.20b = 24
3r = b + 20....b = 3r - 20

0.10r + 0.20(3r - 20) = 24
0.10r + 0.60r - 4 = 24
0.70r = 24 + 4
0.70r = 28
r = 28/0.70
r = 40 <=== there are 40 reds

0.10r + 0.20b = 24
0.10(40) + 0.20b = 24
4 + 0.20b = 24
0.20b = 24 - 4
0.20b = 20
b = 20/0.20
b = 100 <=== there are 100 blues

5 0
3 years ago
If f(x) = x2 – 6x + 14, what is f(-2)?
Paraphin [41]

Answer: −28

i think ?????

4 0
3 years ago
Read 2 more answers
What is 4.2x+3=11.82<br> X=
ki77a [65]

Answer:

x=2.1

Step-by-step explanation:

4.2x+3=11.82

        -3       -3

4.2x=8.82

/4.2    /4.2

 x=2.1

7 0
3 years ago
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