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Katarina [22]
2 years ago
15

Pls help will give brainlyist

Mathematics
2 answers:
ryzh [129]2 years ago
5 0

Answer:

(C) 36

Step-by-step explanation:

Your answer is C.

Art [367]2 years ago
5 0

Answer:

36

Step-by-step explanation:

You can use algebra to solve this. To do this write an algebraic equation with the variable x. Since there are 4 unknowns the equation should be 4x+11=155. Then, because the is x number of freshman, solve this equation for x.

First, subtract 11 from both sides

4x=144

Then, divide both sides by 4

x=36

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Pilar and Ravi start at opposite ends of a 55-mile bike trail. They start riding their bikes toward each other at the same time.
Lynna [10]

Answer:

Ravi’s average speed is 7 miles per hour

Step-by-step explanation:

In this question, we are tasked with calculating what Ravi’s average speed was.

We must know that the term average speed is mathematically equal to Total distance/ Total time

We already have the time of 3 hours, what is needed is the distance.

From the question, we can see that they met at the point where Pilar had travelled 55 miles. What this means is that Ravi would have traveled (55-34) miles to this point since they are coming in opposite direction. This means that Ravi had traveled 21 miles

Thus his average speed is 21 miles/ 3 hours = 7 miles per hour

6 0
3 years ago
What is z?<br> 5z+8=4z+20<br> Once again im struggling and need help fast..=)
mixas84 [53]
Z= 12 hope this helps
4 0
3 years ago
Read 2 more answers
What is x? 15(x-1)-7(x+9)=4x
Kitty [74]
I got x = -78.75 , i included a picture of my work because it’s too difficult to put into text!

7 0
3 years ago
Celina and Richard spend a certain amount of money from their money box each month to buy plants.
loris [4]

Answer:

100

Step-by-step explanation:

5 0
3 years ago
At a summer camp, there are 40 boys out of 70 campers. What is this ratio written as a fraction in simplest form?
madam [21]

Answer:

40:70 becomes 20:35 which becomes 4: 7.

The answer is 4:7

Step-by-step explanation:

7 0
3 years ago
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