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worty [1.4K]
3 years ago
7

42×4/7 how do this problem

Mathematics
1 answer:
vlada-n [284]3 years ago
5 0
Convert to:

42        4         168
----  x  ----  =   ------
 1         7           7
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the perimeter of a rectangle is 34 units. it’s width is 6.5 units. write the equation to determine the length of the rectangle
zubka84 [21]

Answer:

4 units

Step-by-step explanation:

Perimeter formula is P = 2L + 2W.  Here P = 34 units = 2L + 2(6.5 units).

Reducing this, 17 = L + 13.  Then L = 4 units.


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2 years ago
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3 years ago
Write an informal proof to show triangles ABC and DEF are similar. Please don’t answer if you don’t know!!
Mila [183]

Answer:

ΔABC ~ ΔDEF

Step-by-step explanation:

If the given triangles ΔABC and ΔDEF are similar,

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\frac{\text{AB}}{\text{DE}}=\frac{\text{BC}}{\text{EF}}=\frac{\text{AC}}{\text{DF}}

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8 0
3 years ago
Mrs. Hilt bought 15 books. Sh paid $11 for each book. She later sold all 15 books for $25 each. What is the difference between t
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What is 34.75 - 0.876
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Answer:

34.75 - 0.876 = 33.874

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