5x + 4x = 720
9x = 720 (divide by 9)
X= 80
In order to get the bigger ratio, which is 5, you would substitute x for 80. (I'm bad at explaining)
Work:
5(80)= 400

6 0

2 years ago

Find the height of a right square pyramid that has a rectangular base area of 70 square units and a volume of 140 cubic units.

Lostsunrise [7]

Answer:

B. 6 units

Step-by-step explanation:

$V = {a}^{2} \frac{h}{3} \\ \\ 140 = 70( \frac{h}{3}) \\ \\ 6 = h \\ \\ 140 = 70(2)$

I am joyous to assist you anytime.

5 0

2 years ago

Savanna works as a sales rep and receives $23.80 for every $140 she sells. What is her rate of commission?

REY [17]

This is actually quiet easy!

(23.80/140) x 100 = (0.17) x 100 = 17%

That's how you do it! Hope this helps!

8 0

2 years ago

Perimeter is a measure of distance around a figure. If each side of a triangle measures 0.75 inches, what is the perimeter of th

Alexxx [7]

Perimeter = 0.75 * 3 = 2.25 <span>inches</span>

3 0

3 years ago