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Vedmedyk [2.9K]
3 years ago
8

Someone help me solve this and could you explain why too?

Mathematics
1 answer:
yulyashka [42]3 years ago
5 0

Answer:

3.5

Step-by-step explanation:

Well its easiest to just plug in the answers and see like 2 times 3.5 is 7.

Another way is saying 7 divided by 2 is 3.5

then u check to make sure its the same for all the numbers.

Which it is because 21 divided by 6 is also 3.5 :)

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SOlve the system of equations using substitution<br><br><br> y=2x-10<br> y=4x-8
dezoksy [38]
It should be,
4x-8=2x-10    because you substitute that for y.
Now you do,
4x-2x    because you do the opposite of the positive 2x as you bring it to the other side.
That is,
2x-8=10   now you bring the 8 to the other side.
2x=10+8   I added it because I do the opposite and it is a negative 8 so I add.
2x+18    now divide
x=9    that's the answer.
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2 years ago
Cut 9ft piece into 12inch &amp; Every cut remove 1/8 inch
melamori03 [73]
So each foot is 12 inches so to remove 8 feet to get 12 in you need to remove 8 times 12 inches total or 96 in and each cut removes 1/8 in so times 96 by 8 and get 768 total cuts
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3 years ago
Find the value of x and each angle if m angle SOP= (7y-2) and m angle SOR = (5y+14)
Semmy [17]

Answer:

x = 14

m∠SOP = (7x - 2)° = 96°

m∠SOR = (5x + 14) = 84°

Step-by-step explanation:

`From the given picture,

Angle SOP and angle SOR are the linear pairs.

Therefore, sum of these angles will be equal to to 180°.

m∠SOP + m∠SOR = 180° -----(1)

Since, m∠SOP = (7x - 2)° and m∠SOR = (5x + 14)°

[There is a misprint in this question. There should be x in place of y in the measures of the angles]

By substituting these values in the equation (1),

(7x - 2) + (5x + 14) = 180

12x + 12 = 180

12x = 180 - 12

12x = 168

x = \frac{168}{12}

x = 14

m∠SOP = (7x - 2)° = 96°

m∠SOR = (5x + 14) = 84°

5 0
2 years ago
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pentagon [3]
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4 0
3 years ago
Read 2 more answers
Find the range.<br> 3-97-15-42
Anastaziya [24]

Well to find the range, you need to take the highest number and subtract the lowest from it:

3 - -97

3 + 97

100

Range is always positive

plz mark me as brainliest if this helped :)

3 0
2 years ago
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