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FinnZ [79.3K]
3 years ago
12

14 cm

Mathematics
2 answers:
Tanya [424]3 years ago
4 0

Answer:

b140

Step-by-step explanation:

14*10=140 that's all

VashaNatasha [74]3 years ago
3 0

Answer:

the answer is B

Step-by-step explanation:

because 14*10 is 140

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Marina spent $13.50 at the grocery store. She bought pears, kiwis, and pineapples. Pears cost $0.50 each, pineapples cost $1.50
kiruha [24]

Answer:

Number of pineapples = 10

Number of pears = 10 + 9 = 19

Number of kiwis = 10 - 2 = 8

Step-by-step explanation:

Money = $ 13.5

Cost of a pear = $ 0.5

Cost of a pineapple = $ 1.5

Cost of a kiwi = $ 0.3

let the number of pineapple = p  

Number of pears = p + 9

Number of kiwis = p - 2

Cost is

0.5 (p + 9) + 0.15 p + 0.3 (p - 2) = 13.5

0.5 p + 4.5 + 0.15 p + 0.3 p - 0.6 = 13.5  

0.95 p = 9.6

p = 10

So, number of pineapples = 10

Number of pears = 10 + 9 = 19

Number of kiwis = 10 - 2 = 8  

4 0
3 years ago
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37% of what number is 72?
tatiyna
The answer is 194.59

(72 x 100) / 37 = 194.59
4 0
2 years ago
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A ___ equation is a second-degree equation of the form ax^2+bx+c=0 where a ≠ 0​
klasskru [66]

Answer:

A quadratic equation is second degree equation with the standard form ax^2+bx+c=0 as the highest power is 2.

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6 0
2 years ago
What’s 7y+8=57?????!!?!????
forsale [732]
Ok so basically your going to subtract 57-8 which is 49. So now you have 7y=49 so now divide 49 by 7 which is 7. So your answer is 7 and to check your work substitute 7 for y so.... 7(7)+8=57 so 57=57 which is accurate
7 0
3 years ago
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How do I do this!!!!!
-BARSIC- [3]

Pyramid Surface Area = (½ * Perimeter of Base * Slant Height) + Base Area

Base perimeter = 4 * 18 = 72 inches
Base Area = 18*18 = 324 square inches

Pyramid Surface Area = (.5 * 72 * 12) + 324
Pyramid Surface Area = 432 + 324
Pyramid Surface Area = 756 square inches

Source:
http://www.1728.org/volpyrmd.htm



4 0
3 years ago
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