5^-4 / 5^3
= 5^-1
= 1/5
answer
<span>5^−1
</span><span>1 over 5</span>
2 blocks = 1 minute
18 blocks = 9 minutes
60 blocks = 30 minutes
She already ran for 9 minutes. She needs to run 42 more blocks.
If we subtract 9 minutes from 30 minutes, we get 21 minutes. Therefore, she needs to run 21 more minutes.
To verify this, we check the proportionality.
2 blocks = 1 minute
42 blocks = 21 minutes
42 blocks / 21 minutes = 2 blocks per minute
Hope this helps!
Answer:
x=4
Step-by-step explanation:
First of all, the sides of the smaller triangle are multiplied by 5 to make it bigger. So, multiply 4 by 5 which gives you 20. So, 20= 3x+8.
Now that we have our equation, we need to isolate the variable.
Subtract 8 from both sides.
20= 3x+8
- 8 -8
Divide both sides by 3.
<u>12</u>= <u>3x</u>
3 3
x= 4
Well I believe that the equation would be
Cairo: y=45+24x
Tarantino: y=30x
The answers would be:
B. Tarantino's cost can be modeled by 30h
D. If the work takes 7 hours , Tarantino's is cheaper
Answer:
h = 3.6
Step-by-step explanation:
This is just substituting in for variables and solving for x. The hard part is knowing the formula.
R = h((a+b)/2) where a and b are the 2 different bases, h is the height or latitude, and R is the area of a trapezoid, is the formula.
Given that R = 8.1, a = 1 and b = 3.5, we can substitute these equations in the formula.
(8.1) = h(((1) + (3.5)) / 2)
= h((4.5) / 2)
= h(2.25)
8.1/2.25 = h
3.6 = h
