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aleksley [76]
3 years ago
13

Write an expression andthen solve for x.149​

Mathematics
1 answer:
MatroZZZ [7]3 years ago
3 0
X+52=149 x=97 hope this helped!
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I need help 25 points
marissa [1.9K]
90 square inches i think!!!
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3 years ago
(1 point) a bookshelf has space for exactly 13 books. in how many ways can the books be arranged on the bookshelf?
Andre45 [30]
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3 years ago
25.6% of what # is 21.12
laila [671]
To solve this problem, we are going to use the percent proportion, a/b = p/100, where a is the part of a number b, the whole, and p is the percentage out of 100.  
When we fill in our known integers into this equation, we get

21.12 / b = 25.6 / 100

Next, to simplify this equation, we should use cross products (means - extremes products theorem).  This means multiplying the numerator of one fraction and the denominator of the other fraction and setting them equal to one another.

21.12(100)=25.6(b)

When we multiply, you get

2112 = 25.6b

Finally, we divide both sides by 25.6, to get our variable b, alone, and without a coefficient.

82.5 = b

Therefore, 25.6% of the number 82.5 is 21.12.
7 0
3 years ago
Read 2 more answers
If w:8=15:24.the value of w is?​
luda_lava [24]

Answer:

5

Step-by-step explanation:

24 divided by 3 is 8

so 15 divided by 3 is 5

3 0
3 years ago
A frozen pizza is stored in a grocery store's freezer at - 6°C. During its transport home, its temperature rises 13°C. When the
Rasek [7]
At the start pizza has -6
the temperature rises 13 during the transport, so it should have -6+13=7
because the temperature goes down 19 when pizza is put in the home freezer, the final temperature should be 7-19=-12
so b is the correct answer
if the temperature rises -> +
if the temperature goes down -> -
3 0
3 years ago
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