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never [62]
3 years ago
10

I need help, anyone ?

Mathematics
2 answers:
jeka57 [31]3 years ago
8 0
DF congruent to AC and EF is common side
saveliy_v [14]3 years ago
6 0
DF Congruent
AC common side
EF common side
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Ernest has 3/4 of a yard of ribbon. She used 1/2 of it to wrap a gift. How much ribbon did she use
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\frac{3}{4} (yard) \times \frac{1}{2} = \frac{3}{8} (yard) \ \\
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What is the volume of a rectangular prism which is 4.25 inches length, 3.75 inches width and 10 ½ inches height? You must show y
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Read 2 more answers
The first side of a triangle is twice the length of the second side; the third side is 20 feet less than three times the second
oee [108]
Let the second side be x

then,
first side = twice the length of the second side
= 2x

third side = 20 feet less than three times the second side
3 (second side ) - 20
= 3 (2x) -20
= 6x - 20

perimete of a triangle = sum of all sides,

substitute the values we know,
and you'll be left with this equation

106 = x + 2x + 6x - 20
106+ 20 = 9x
126 = 9x
126/9 = x
14 = x

so,

measure of second side = x = 14 feet

measure of first side = 2x = 2 (14) = 28 feet

measure of thurd side = 6x - 20 = 6 (14)-20 = 84- 20 = 64 feet.
4 0
3 years ago
Solve this please: a=46c solve for c
Firlakuza [10]
a = 46c\\c = \frac{a}{46}
7 0
3 years ago
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