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blagie [28]
3 years ago
9

Daniel has read 180 pages this is 80% of the entire book how long is the book

Mathematics
2 answers:
Alex777 [14]3 years ago
8 0
If we take these numbers we can set it up in crops multiplication form to find the answer:

80. 180
—— = ——- then we cross multiply
100 x making 80x= 18000 then divide 18000 and 80 to get 225 meaning x=225 so Daniels book is 225 pages long
DochEvi [55]3 years ago
7 0
225 pages, its correct answer i did the math

180/80
x    /100
cross multiply;
180*100=18,000
divide with the amount left
18,000/80=225                                                              
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Please help solve this equation. Show all steps please. No links or files.
maksim [4K]

Answer:

See below

Step-by-step explanation:

c = (a^2 + 3b) / 4       multiply both sides by 4

4c = a^2 + 3b           subtract a^2 from both sides

4c - a^2 = 3b            now divide both sides by 3

(4c-a^2) / 3 = b          

3 0
2 years ago
What is the measure of the missing angle?<br> 40<br> 90
Lyrx [107]

Answer:

50°

Step-by-step explanation:

I am assuming that the shape is a right triangle.

All interior angles of a triangle add up to 180°.

x + 40 + 90 = 180\\\rule{150}{0.5}\\x + 130 = 180\\\\x + 130 - 130 = 180 - 130\\\\\boxed{x = 50}

The missing angle should be 50°.

Hope this helps.

8 0
2 years ago
Read 2 more answers
Name
Tpy6a [65]

Answer:

1. A container of milk 2L

2. An Eyedropper has 1 mL

3. A cup of punch 250 mL

4. A jar of pickles 500mL

Step-by-step explanation:

Without even measuring, just think of this problem logically. Remember that a 1 L is 1000mL, so it is 1000 times more than 1 mL.

A milk container would hold more than a cup of milk and that is more than 20 mL. The most logical answer would be 2L.

An eyedropper can hold just a little amount of liquid. Just think that it dispenses liquid in drops, the best answer would be 1mL (which is actually an estimate of the volume of a drop is.)

A cup of punch is about 250 mL. The keyword there is a CUP and 25L is a big amount and the cup would have to be HUGE.

Same as above, the keyword there is a jar. A 50L jar would be a very big amount for just a jar of pickles.

8 0
3 years ago
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mamaluj [8]

Answer:

.84

Step-by-step explanation:

21/25 = .84

3 0
2 years ago
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Nikitich [7]

Answer:

3*x-9

Difference means subtraction and times means multiplication!

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