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goblinko [34]
3 years ago
11

I need 4 number to eqaul up to 15 and one has to be 9

Mathematics
1 answer:
Lisa [10]3 years ago
4 0

Answer:

x =2

Step-by-step explanation: 9 + 3x = 15

                                             -9 + 3x = -9

                                               3x = 6

divide both sides by 3

x = 2

the three other numbers are 2

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A pie was cut into 8 equal slices if Ruben ate 3/4 of the pie how many slices did he eat?
lys-0071 [83]

Answer:

Ruben ate 6 pieces out of 8.

Step-by-step explanation:

We will understand 3/4 first. If we divide a pie into 4 pieces then Ruben ate 3 pieces of pie.

Further If we divide these 4 and 3 pieces to 8 and 6 then Ruben will eat 6 pieces out of 8.

Now we will show this mathematically

\frac{3}{4}=\frac{3}{4}\times \frac{2}{2}=\frac{3\times2}{4\times2}=\frac{6}{8}

Ruben ate 6 pieces out of 8.

7 0
3 years ago
Read 2 more answers
The customer had a coupon for a 6% discount on a $12 (whole) meal. What is the total that she paid?
ss7ja [257]

Answer:

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5 0
3 years ago
Item 7<br> Find the sum.<br> 3(2−0.9h)+(−1.3h−4) =
m_a_m_a [10]

Answer:

= 2(1 - 2h)

Step-by-step explanation:

Given that:

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Simplifying:

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Removing brackets

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Adding like terms (h terms and constants)

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We can take 2 common as:

= 2(1 - 2h)       Required sum

I hope it will help you!

7 0
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Find the surface area of the figure below. Leave answers in terms of 7 for answers that contain T. Round to the nearest hundredt
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Answer:

Hello! 59.2 is our answer

This is because for all the triangles we do 5.4 x 4 = 21.6 then I divide by 2 cause thats the formula when doing triangles so I get 10.8 and sense all the triangle sides our the same I do 10.8 x 4 and get 43.2 then for the bottom side I just have to do 4 x 4 cause thats the formula and get 16 then I add these up so 43.2 + 16 = 59.2 and We get our answer 59.2 Hope this helps!

4 0
3 years ago
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