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Dima020 [189]
2 years ago
6

What is the value of v in the equation -25=-(4v+7)+10​

Mathematics
2 answers:
Wittaler [7]2 years ago
5 0

Answer:

Therefore the value of v in the equation is 7

musickatia [10]2 years ago
4 0

Answer:

-25 = -(4v+7)+10

-25 = -4v-7+10

-25 = -4v+3

4v = 3+25

4v = 28

v = 28 ÷ 4

v = 7

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Answer:

450

Step-by-step explanation:

here is a fast way:

1- 75% = 75/100 = 3/4

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3 years ago
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Alondra says that (12 + 31) × 5 is equivalent to 12 + 31 × 5 because of the associative property.
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Would each of them be able to be the side lengths of a triangle?
ratelena [41]
Pythagoras Theorem:
hipotenuse²=leg₁²+leg₂²

First posible triangle:
hypotenuse=13    (13²=169)
leg₁=12                ( 12²=144)
leg₂=5                  (5²=25)

13³=144 + 25


Answer:can be side lengths of a triangle

Second triangle:
 hypotenuse=12.6    (12.6²=158.76)
leg₁=6.7                ( 6.7²=44.89)
leg₂=6.5                  (6.5²=42.25)

leg₁²+leg₂²=44.89+42.25=87.14≠158.76

Answer: cannot be side lenghts of a triangle.

third triangle:
hypotenuse=13    (13²=169)
leg₁=12                ( 12²=144)
leg₂=11                  (11²=121)

leg₁²+leg₂²=144+121=265≠169

Answer: cannot be side lenghts of a triangle.

fourth triangle:
hypotenuse=13   (13²=169)
leg₁=6                ( 6²=36)
leg₂=4                  (4²=16)

leg₁²+leg₁²=36+16=52≠169

Answer: cannot be side lenghts of a triangle.
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3 years ago
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3 years ago
How do you solve this kind of problem?
Y_Kistochka [10]
I hope this helps you

3 0
2 years ago
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