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zhannawk [14.2K]
2 years ago
11

PLEASE HELP ME I NEED HELP RIGHT AWAY!!!

Mathematics
2 answers:
Inessa [10]2 years ago
6 0

Answer:

There are a total of 40 books in the box.

Jobisdone [24]2 years ago
4 0

Answer:

There are 40 books total

Step-by-step explanation:

you need to set a proportion

The first fraction is 55/100 it's over 100 because it's percent

the other fraction is 22/x the 22 is out of a total number so that's why it's on top and x because you don't know the total number of books

then you multiply diagonally

55×x= 22×100

55x=2,200

Then you solve it like a regular equation by dividing both sides by 55

x=40

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Write a sentence representing the equation x+56/7=11
Anastasy [175]
Hey there! :D

x+56/7=11

A number plus fifty-six sevenths is equal to eleven. 

I hope this helps!
~kaikers
8 0
3 years ago
The volume of the triangluar block is 4 cubic inches. What is the approximate length of y?
Artist 52 [7]

The volume of the triangluar block is 4 cubic inches. What is the approximate length of y? -- 2.8 inches

3 0
3 years ago
What is the end behavior of the function
Nostrana [21]

Answer:

A

Step-by-step explanation:

Because its the right answer

4 0
2 years ago
How to solve it to put 65% of his Christmas money in the bank.If he had $70 left after he put the money in the bank. How much mo
kow [346]

Answer:

$200

Step-by-step explanation:

Let X be the amount of Christmas money he had at the beginning.

He put 65% of X in the bank. This is 0.65x

He has $70 left which is equal to 0.35x

We need to write an equation to find the value of x.

70 = 0.35x

Divide by 0.35 to find the value of x.

70/0.35 = 0.35x/0.35

200 = x

He received $200 for Christmas.

8 0
3 years ago
Pls explain your work!
mylen [45]

Answer:

find total volume to find what amount is 20%

hack, is put the 20% in alreadyy to find 20% volume

20%=1/5

so

vcone=1/3(hpir^2)

times thath by 1/5

vcone=1/15(hpir^2)

d/2=r

given

4.8=d

4.8/2=d/2=r=2.4

10=h

V=1/15(10pi2.4^2)

V=1/15(10pi5.76)

V=1/15(57.6pi)

V=3.84pi

V=12.0637 cubic inches=20% of vase

0.5 cubc inches per min

0.5 times t=12.0637

divide both sides by 0.5

t=24.1237

about 24 minutes

Step-by-step explanation:

6 0
3 years ago
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