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avanturin [10]
3 years ago
6

Please help and explain the work​

Mathematics
2 answers:
viktelen [127]3 years ago
5 0

Answer:

x=97

Step-by-step explanation:

first find the angle measure to the right of 139

180-139=41

the sum of a triangles angles must be 180

so 180-42-41=x

x=97

lys-0071 [83]3 years ago
5 0

Answer:

97

Step-by-step explanation:

To find the exterior angle would be to add the other 2 interior angles.

(42+x=139) so to find x you would just have to subtract the interior from the exterior. (139-42=x or 97)

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Minus always used _____ a term
Llana [10]
To subtract? as minus means subract/take away?
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3 years ago
You and your friend collect 180 cans for a food drive. The ratio of cans you collected to cans your friend collected is 4 to 5.
marissa [1.9K]
Are you looking for the number of cans you and your friend each collected? If yes, here is the solution:

Let x be the number of cans.

4x + 5x = 180
        9x = 180
     9x/9 = 180/9 (divide both sides of the equation by 9)
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Now, substitute the values:
4(20) + 5(20) = 180
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Therefore, you collected 80 cans and your friend collected 100 cans.
6 0
3 years ago
-5(5-3v)=-115<br> Helpp me please
prisoha [69]

we start by opening the brackets so it will be -25 plus 15 v is equals to 115. negative times a negative is a positive so -5 times -3 we we have gotten positive 15v there I hope you understood so our new equation is -25 + 15v is equals to 115 collect the like terms 15v is equals to 115 + 25 15 v is equals to 140 divide both sides by 15 so v is equals to 9 and 1/3

8 0
3 years ago
Write the equivalent fraction with a denominator of 100. <br> 9/10 = ?/100.
choli [55]

Answer:

90

Step-by-step explanation:

Find common denominators. Note that what you multiply to the denominator (bottom number of the fraction), you must also multiply to the numerator (top number of the fraction).

In this case, you are multiply 10 to both the numerator and denominator, as:

100/10 =10

Multiply 10 to the numerator:

? = 9 * 10

? = 90

90 is your answer.

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5 0
3 years ago
Read 2 more answers
If 4 blocks weigh 28 ounces how many blocks weigh 70 ounces
Sloan [31]

Answer:

10 blocks.

Step-by-step explanation:

Find the unit rate.

\frac{28}{4}=\frac{7}{1}=\frac{70}{10}

Therefore, 10 blocks weigh 70 ounces.

3 0
3 years ago
Read 2 more answers
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