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3 years ago

The expression

Mathematics

1 answer:

zhenek [66]3 years ago

4 0

Ik people are still answering this but if you could plz put your problem horizontally it helps us a lot and it helps you by making the problem easier to read more people are willing to do it

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there are 121 boys in the seventh grade this is 52.5% of the total students in the grade how many students are in 7th grade

Helga [31]

52.5 divide by 121 is .43, so that means each person represents .43% of the 7th grade population. so by multiplying 231 by .43 you get 100%. the number of students in 7th grade is 231

4 0

3 years ago

2 x + 4 x - 3 + 8 x + 18 = 43 whats x

Viefleur [7K]

Answer:

2x+4x-3+8x+18=43

We move all terms to the left:

2x+4x-3+8x+18-(43)=0

We add all the numbers together, and all the variables

14x-28=0

We move all terms containing x to the left, all other terms to the right

14x=28

x=28/14

x=2

(hope that helps)

8 0

3 years ago

36 + m = 54 54 - 36 = m 36 + 54 = m 54 / 36 = m 36 x 54 = m

luda_lava [24]

Answer:

me and you have the same last name.

Step-by-step explanation:

thats cool

3 0

4 years ago

Can someone help me ?

denis23 [38]

Answer:

r = - 29

Step-by-step explanation:

Given

- 3r = 87 ( divide both sides by - 3 )

r = $\frac{87}{-3}$ = - 29

7 0

3 years ago

Read 2 more answers

NO LINKS!!! PLS HELP ME IM TRYING TO GRADUATE PLSSS !!! Find the midpoint of the segment below and enter its coordinates as an

Leto [7]

Answer:

x = 5/2 , y = -7/2

Step-by-step explanation:

r's your solution

=> formula for finding midpoint =.( X1 + X2/)/2 , (Y1+Y2)/2

=> putting the value of in formula

=> x= 4+1/2 , y = -1-6/2

=> x = 5/2 , y = -7/2

hope it helps

3 0

3 years ago