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zlopas [31]
3 years ago
15

Choose all the equations that are true if x=9

Mathematics
1 answer:
Mrrafil [7]3 years ago
8 0

Answer:

A, C, E

Step-by-step explanation:

I don't really know how to explain it but you can kinda substitute 9 for the variable to confirm if you want.

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The height of a certain banner is equal to one third of its length. If the banner is 5 ft tall, write the equation that can be u
pav-90 [236]

Answer:

L=3h

Step-by-step explanation:

Let height of a banner be h, then we know that this is \frac{1}{3} of the length L of the banner; so we have

h=\frac{1}{3} L .

Now we can rearrange this equation to solve for the length of the banner given it's height:

L=3h

So there we have it!

If the banner is 5 ft tall, then it's length will be:

L=3*5=15ft

5 0
3 years ago
A sample of bacteria was placed in a petri dish. The number of bacteria changes exponentially over time.
vredina [299]

Answer: 50

Step-by-step explanation:

50 bacteria

4 0
3 years ago
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In 2019, the average temperature in some parts of the
Mice21 [21]

Answer:

-13.315° F

Step-by-step explanation:

Number of years from 2019 to 2050 is 2050 - 2019 = 31 years

Increase in temperature per year = 0.135

Increase in temperature for 31 years = 0.135*31 = 4.185

Average temperature in 2050 = -17.5 + 4.185 = -13.315° F

5 0
3 years ago
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Whats the answer? please help
Vitek1552 [10]

Answer:

Step-by-step explanation:

If you need a fraction just think of what equals 24 like this

Ex.

6/25 = .24

6 0
3 years ago
-8(-8+2)-4 solve please
Anvisha [2.4K]

Answer:

44

Step-by-step explanation:

-8(-8+2)-4

1) Simplify <u>inside the parenthesis</u>: (-8+2)

-8(-6)-4

2) Multiply -8 and -6:

48-4

3) Simplify:

44

3 0
3 years ago
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