MATHEMATICS MIDDLE SCHOOL

W/5-10= -4 equals to?

Answers

Answer 1
Answer:

w/-5-10=-4

Simplify both sides of the equation

w/5-10=-4

1/5 w +-10=-4

1/5 w-10=-4

Add 10 to both sides

1/5 w -10 +10= -4=10

1/5 w =6

Multiply both sides by 5

5(1/5 w )=(5)*(6)

w=30

Check my answer

Replace w by 30

30/5-10=-4

-4=-4


I hope that's help and have a great night .

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A recycle machine crushes 175 pounds of cans in 5 minutes. How many pounds of cans will the machine crush in 16 minutes?A) 560
B) 955
C) 1,925
D) 2,805

Answers

x = pounds of cans crushed

*use similar ratios

(175 lbs)/(5 min) = (x)/(16 min)

*find x by multiplying both sides by 16

x = (175 lbs)/(5 min)*(16 min) = 560 lbs

so . . . the answer is . . . A) 560

The answer will be A) 560 because when you divide 175 by 5 is with be 35 then multiply 35 by 16 that will give you 560. Your welcome :)

I really need the answers for these I don't understand this

Answers

i tryed my best to figure out what all of the numbers were. if i got any wrong then please tell me and i will put the right answer in the comments.

1) 3/5= 5/x   (cross multiply)
     3x=5(5)
     3x=25
       x= 25/3 -or- 8.33

2) 2/4=x/12   (cross multiply)
 2(12)=4x
     24=4x
       6=x
3) 10/x=5/9   (cross multiply)
   10(9)=5x
       90=5x
       18=x
4) 5/5=x/18   (cross multiply)
 5(18)=18x
     90=18x
       5=x

5/25 = 13/?

Can you please help me with this question.

Answers

This a proportion.

Lets solve by cross multiplying.

5/25 = 13/x

5 * x = 5x                13 * 25 = 325

325 = 5x

5x/5 = 325/5
x= 325/5             x= 65

Answer:   5/25 = 13/65
5/25
This can be simplified to 1/5
1/5 = 13/?
In order to get to 13 from 1 you must multiply by 13
If we multiply the bottom (denominator) by 13 we get the missing value
5 x 13 = 65

5/25 = 13/65

Can somebody please help me with 10 Probability #?

Answers

             I'm sorry but I know the answer is deffinetly c or d

Please help ASAP Which expression can be used to find 45% of 54? A.4/5 x 54 B.5/4 x 54 C. 9?20 x 54 D. 20/9 x 54

Answers

I am assuming 20/9 is supposed to be 9/20 because 45% as a fraction is 9/20

So the answer is D

Answer:

D

Step-by-step explanation:

i did it in my head

Write an equation in slope-intercept form for the line with slope 3 and y-intercept −2.

Answers

Answer:

y=3x-2

Step-by-step explanation:

Well, the linear equation of a line is:

y=mx+b

Where  

m=slope

b= y-intercept
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