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Ghella [55]
4 years ago
13

What the answer 12x+90-2x=180

Mathematics
2 answers:
Yakvenalex [24]4 years ago
6 0

Answer:

x = 9

Step-by-step explanation:

  • 12x + 90 - 2x = 180

12x - 2x = 180 - 90

10x = 90

x =  \frac{90}{10}  \\ x = 9

morpeh [17]4 years ago
5 0

Answer:

x=9

Step-by-step explanation:

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8_murik_8 [283]

Answer:

\dfrac{5}{8} butter was left after she was done baking.

Step-by-step explanation:

Robin had 7/8 pound of butter when she started baking a cake. She used 1/4 pound of butter while baking.

We need to find how much butter was left after she was done baking.

It can be calculated as follows,

Left =

=\dfrac{7}{8}-\dfrac{1}{4}\\\\=\dfrac{7}{8}-\dfrac{2}{8}\\\\=\dfrac{7-2}{8}\\\\=\dfrac{5}{8}

Hence, \dfrac{5}{8} butter was left after she was done baking

3 0
3 years ago
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Mumz [18]

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Step-by-step explanation:

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3 0
3 years ago
A bakery can make 60 donuts in 15 donutes. What is the unit rate at which the bakery makes donuts.
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Answer:

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to reduce this fraction, the top and bottom can be divided by 15 to get 4 donuts/1 minute.

7 0
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sergejj [24]

Answer: here

Step-by-step explanation:

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55% of 20 is 11. the answer is 20
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