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klemol [59]
3 years ago
13

Which addition expression

Mathematics
1 answer:
mina [271]3 years ago
6 0

Answer:(9+41)+-1-71)

Step-by-step explanation:

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The longer leg of a right triangle is 4 more than the short leg. The hypotenuse is eight less than the sum of the 2 legs.
Crazy boy [7]

Answer:

SteLet a = short leg of the right triangle, b = the longer leg, and c = the hypotenuse.

The longer leg of a right triangle is 4inches longer than the shorter leg: b = a + 4

The hypotenuse is 8inches longer than the shorter leg:  c = a + 8

 

Use the Pythagorean Theorem:

 

a2 + b2 = c2

a2 + (a+4)2 = (a+8)2

a2 + a2 + 8a + 16 = a2 + 16a + 64

a2 - 8a - 48 = 0

 

Factors to:

 

(a-12)(a+4) = 0

a = 12, -4

 

Since we can't have a side of -4, a = 12

Shorter Leg = 12 inches

Longer Leg = 12 + 4 = 16 inches

Hypotenuse = 12 + 8 = 20 inches

6 0
3 years ago
4^3 is equivalent to? *
GREYUIT [131]

Answer:

4+4+4

Step-by-step explanation:

4^3 means 4 cubed which is equal to 4 added three time

4 0
3 years ago
Solve the following inequality. -21> -7c
BigorU [14]
Divide both sides by -7, and flip the sign: 3 > c
6 0
3 years ago
Read 2 more answers
S
Korolek [52]

Answer:

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Step-by-step explanation:

If its right let me know I think this is right

8 0
3 years ago
Sam cut a flat wooden board into fourths. He used three of the pieces as backgrounds for posters. He used equal pieces of the le
grandymaker [24]
To answer this question you would start with 1 whole piece and break it into 4 equal pieces. Each piece would be 1/4 of the original.

If you used 3 of these, you are left with 1/4.

Out of the 1/4 leftover, you create 5 equal-sized pieces.

1/4 divided by 5.
1/4 x 1/5 = 1/20 of the original board for each.
8 0
2 years ago
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