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Valentin [98]
4 years ago
7

Ralph is 3 times as old as Sara. In 6 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.

Mathematics
2 answers:
laila [671]4 years ago
5 0
I think it would be the 3rd one if not im sorry i tried

Nataliya [291]4 years ago
3 0
I think the answer woulfd be choice 3.

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You are designing an aquarium that is to have a tank holding 225,000 gallons of water. The tank will be 100 feet long and 20 fee
ziro4ka [17]
So hmmm notice the picture below

thus   \bf \textit{volume of a rectangular prism}\\\\
V=lwh\qquad 
\begin{cases}
l=length\\
w=width\\
h=height\\
----------\\
l=100\\
w=20\\
V=225,000
\end{cases}\implies 225,000=(100)(20)h

solve for "h"

5 0
3 years ago
1/4 + 1/4 + 3/4 + 3/4 equals
juin [17]

Answer:the answer is 2

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
2 1/2r + 1 + 2r = 9 1/10
GalinKa [24]

This should help you here are the steps of your problem :)


2*(1/2)*r+2*r+1 = 9*(1/10) // - 9*(1/10)


2*(1/2)*r+2*r-(9*(1/10))+1 = 0


2*(1/2)*r+2*r-9/10+1 = 0


3*r+1/10 = 0 // - 1/10


3*r = -1/10 // : 3


r = -1/10/3


r = -1/30


r = -1/30


So your answer would be 1/30

4 0
3 years ago
A corner of a rectangle is cut, creating a trapezoid.
forsale [732]

Answer:

the last option of 135°.

Step-by-step explanation:

The total degree of the rectangle is 360°. But it was sliced, so with the remaining measurements, subtract each of them from 360°.

90°+90°+45°+x°=360°

225°+x°=360°                 add all of the values on the left side, then subtract 225 on both sides to solve for the value of x°.

x°=135°

4 0
3 years ago
Which function has exactly three distinct real zeros?
quester [9]

H(X) = (x - 2)²(x + 4)(x - 1) has 3 zeroes, they are -4,2 and 1

7 0
3 years ago
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