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Ad libitum [116K]
3 years ago
9

Kyoko is reading a book by her favorite author. She read the first 20 pages in 1/2 of an hour. Reading at the same pace, Kyoko w

ants to determine if she’ll have enough time to finish the book before she has to go to bed.
It will take her 2 hours to read 60 pages.It will take her 3 hours to read 120 pages.It will take her 4 hours to read 180 pages.It will take her 5 hours to read 210 pages.
Mathematics
1 answer:
yarga [219]3 years ago
7 0
<span>It will take her 3 hours to read 120 pages.</span>
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A 20­ft ladder is leaning against a house. The bottom of the ladder is 3 ft from the house. To the nearest tenth of a foot, abou
Tasya [4]

Answer:  19.8 ft

Step-by-step explanation:

Use the Pythagorean Theorem formula to solve for how high the top of the ladder reach.  

The formula says  a^2 + b^2 = c^2

Where a and b are the two legs and  C is the hypotenuse.

In this situation, the hypotenuse will be length of the ladder , and either  a or b will be the length of the ladder from the building or the length of how long the ladder.

a will be 3 ,  and c will be 20. Input in the values  into the formula and solve for b.

3^2 + b^2 = 20^2

9 + b^2 = 400

-9              -9

 b^2 = 391  

    b = \sqrt{391}

  b  = 19.77371   round to the nearest tenth is ,  19.8

8 0
2 years ago
Four more than twice a number is -10.
Vadim26 [7]

Answer:

4 + ( -7 X 2 ) = -10

Step-by-step explanation:

Check work:

-7 times 2 is -14.

4 + -14 = -10

5 0
3 years ago
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Pick out the odd one from 1050,510,240,105,37.5
Alinara [238K]

Answer:

37.5

Step-by-step explanation:

WHY???

All others have numbers that add up to 6 (1+0+5+0)

It is a decimal

All others can be divided by 5

All others are at least 3 digits

All others don't contain a seven or a three

6 0
3 years ago
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A bag of flour weights 5 pounds . There are 420 grams in 1 pound . How many grams of flours are in the bags ?
Leno4ka [110]

Answer:

2100

Step-by-step explanation:

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3 years ago
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Anna [14]
Answer: x=25


*explenation*
5^=5+5+5+5+5= 25
4 0
2 years ago
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