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lara31 [8.8K]
3 years ago
10

Find the sum: (12x+8y)+(2x-7y)

Mathematics
2 answers:
snow_tiger [21]3 years ago
7 0

Answer:

14x+y

Step-by-step explanation:

Simplify:

12x+2x+8y-7y Combine like terms

14x+y

Ksju [112]3 years ago
6 0

Answer:

its 0

Step-by-step explanation:

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you buy a box of chocolates containing 2772 pieces if you give 900 of the chocolate to your parents and share the rest equally w
neonofarm [45]

Answer:

You will have 624 chocolates for yourself.

Step-by-step explanation:

2772 - 900 = 1,872

1,872 / 3 = 624

You and your siblings will have 624 pieces each after all is said and done.

7 0
3 years ago
Forth grade math: What happens to the area of the triangle when one of the dimensions is doubled and halved?
Alja [10]

\bf \textit{area of a triangle}\\\\ A=\cfrac{1}{2}bh~~ \begin{cases} b=base\\ h=height\\[-0.5em] \hrulefill\\ b=\stackrel{doubled}{2b} \end{cases}\implies A=\cfrac{1}{2}(2b)(h)\implies \stackrel{\textit{twice as the original area}}{A=bh} \\\\[-0.35em] ~\dotfill

\bf \textit{area of a triangle}\\\\ A=\cfrac{1}{2}bh~~ \begin{cases} b=base\\ h=height\\[-0.5em] \hrulefill\\ h=\stackrel{halved}{\frac{h}{2}} \end{cases}\implies A=\cfrac{1}{2}b\left( \cfrac{h}{2} \right)\implies \stackrel{\textit{half of the original area}}{A=\cfrac{1}{2}bh\left( \cfrac{1}{2} \right)}

7 0
4 years ago
An advertisement says that 4 out of 5 doctors prefer a certain product. what percent of doctors do not like that product
Nina [5.8K]

\dfrac{5}{5}  -  \dfrac{4}{5}  =  \dfrac{1}{5}

\dfrac{1}{5}  \times 100\% = 20\%


Answer : 20% of doctors do not like that product.

Hope this helps. - M
4 0
3 years ago
Read 2 more answers
Plz help!!
pochemuha
Not completely sure how to answer your question but all 20 questions where worth 5 points each which she would have gotten a 100 if she got all right but she got 15 which her score would be 75. I think in a ratio of correct to incorrect would be 75:100 , I'm not sure completely.
8 0
3 years ago
What expression would be equivalent to 4+12? 6(8+6) 12(4+1) 4(44+3) 8(6+4)
Paladinen [302]

Answer:

12(4+1) i think

Step-by-step explanation:

6 0
4 years ago
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