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3 years ago

How do i do this and what is it called?

Mathematics

2 answers:

GenaCL600 [577]3 years ago

7 0

The answer will be Cosx =1/2 and -1

rusak2 [61]3 years ago

3 0

don't you have a text book with examples in it?

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Solve for the value of v.<br> (6V+6)<br> (2v+4)

disa [49]

Answer:

v = 10

Step-by-step explanation:

6v + 6 + 2v + 4= 90°

8v + 10 = 90

8v = 90 - 10

8v = 80

v = 80/8

v = 10.

8 0

2 years ago

Is (-2) - 5 = 7? im not sure

faltersainse [42]

It's -7 not 7. Its a negative number not a positive one.

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2 years ago

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The age of a father is 2 less than 7 times the age of his son. In 3 years, the sum of their ages will be 52. If the son’s presen

ivolga24 [154]

7s-2+3=52 this needs more characters but that’s it

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3 years ago

Can someone please answer this

anastassius [24]

Answer:

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2 years ago

3x^2−25x = −28

Anarel [89]

Answer:

im pretty sure its 7 and 4/3

Step-by-step explanation:

$...$

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2 years ago

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How do i do this and what is it called?​

How do i do this and what is it called?