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frutty [35]
3 years ago
15

10y+15=7y+45 what does y equal

Mathematics
1 answer:
Gnom [1K]3 years ago
6 0

Answer:

10

Step-by-step explanation:

10y+15=7y+45

10y-7y=45-15

3y=30

y=10

hope it helps you!

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A trapezoid has a height of 6 inches, an area of 120 square inches, and one base measuring 13 inches. Find the length of the oth
kirill [66]

Answer:

27

Step-by-step explanation:

Givens

b1 = 13

b2 = ?

h = 6

Area = 120

Formula

Area = (b1 + b2) * h/2         Multiply by 2

2Area = (b1 + b2)*h           Divide by h

2Area/h = b1 + b2              Subtract b1 from both sides

2Area/h - b1 = b2

Solution

2*120 / 6 - 13 = b2

40 - 13 = b2

b2 = 27

It is always handy to solve an equation in the form that finds the unknown on one side. It makes the solution much easier.

6 0
3 years ago
Which graph represents the solution to the system of equations y = ½x + 1 y = -2x + 8<br>​
miv72 [106K]

Step-by-step explanation:

sorry but I don't get this

so sorry.

6 0
2 years ago
Osie has been reading a 314-page book for two days. On the first day, she read 73 pages, and on the second day she read 68 pages
olga55 [171]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ She has 173 pages left to read.

73 + 68 = 141

314 - 141 = 173

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

5 0
3 years ago
The atmospheric pressure at sea level is 14.7lb / i * n ^ 2 This pressure is reduced by half for each 3.6 miles above sea level
8090 [49]

Answer:graph b

Step-by-step explanation:

8 0
1 year ago
Six cell phones weigh 46.2 ounces. Fourteen cell phones weigh 107.8 ounces. What is the unit rate or constant of proportionality
iris [78.8K]

<u><em>Answer:</em></u>

<u><em>Well first we must see if they are proportional. </em></u>

<u><em> </em></u>

<u><em>46.2/6 = 10.7.8/14 </em></u>

<u><em>7.7 = 7.7 </em></u>

<u><em> </em></u>

<u><em>They are proportional. The rate of proportion is 7.7 ounces per cellphone. Hope this helps! </em></u>

<u><em /></u>

<u><em>Step-by-step explanation:</em></u>

8 0
2 years ago
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