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tatyana61 [14]
3 years ago
12

Matt says he can find the sum of 45+50 without rewriting it. Explain how you can solve this problem using mental math.

Mathematics
2 answers:
ryzh [129]3 years ago
6 0
Thinking about combining 45 pennies and 50 pennies. How many pennies would you have in total? 95
brilliants [131]3 years ago
6 0
You could add 4+5 and then 5+0 and boom there's your answer!! Hope this helped
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lara [203]

Answer:

75

Step-by-step explanation:

Giving Q was not necessary because you aren't doing P(Q) or anything like that....

Anyways,

p(x) = x^2 + x +3\\

Since you're doing p(8), you would replace the x's with 8s.

(8)^2 + (8)  + 3 = 64 + 8 + 3 =75

So your final answer would be 75.

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3 years ago
Which of the following is the solution of 5x – 6 = 44?
nata0808 [166]

Answer:

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Divide by 5 on both sides of the equation.

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So, the value of x is equal to 10

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