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murzikaleks [220]
2 years ago
13

25x2 - 24x + 4 tại x=5

Mathematics
1 answer:
natima [27]2 years ago
5 0
<h2>Evaluating Expressions</h2><h3>Answer:</h3>

509

<h3>Step-by-step explanation:</h3>

25x^2 -24x +4 \text{ when } x = 5

25x^2 -24x +4 \\ 25(5)^2 -24(5) +4 \\ 25(25) -24(5) +4 \\ 625 -120 +4 \\ 509

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inna [77]
She underestimated by 60 cents. To get this answer all you need to do is multiply 1 dollar times 12 which is $12 and then multiply $.30 by 12 and that gives you $3.60. Then you add the $12 to the $3.60 and that gives you $15.60 which is 60 cents over the estimation.
6 0
3 years ago
In the same amount of time, James drove twice as far as Roger. Altogether, James and Roger drove 90km. Find the number of kilome
miskamm [114]

Answer:

james drove 60 and roger drove 30

Step-by-step explanation:

90/3= 30= roger

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8 0
2 years ago
The sum of three consecutive even integers is 264. What are the integers? (show your work)
Anettt [7]

Answer:

1 Expert Answer

X + Y + Z = 264. Since Y is 1 bigger than X, Y = X + 1. Since Z is 1 bigger than Y, Z = Y + 1. But Y = X + 1, so Z = (X + 1) + 1 = X + 2.

4 0
2 years ago
6(33 - w) = 90 solve for w entre your answer in the box w =
aliina [53]

Answer:

w = 18

Step-by-step explanation:

6(33 - w) = 90

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w = 18

5 0
2 years ago
Write an expression that represents n plus 7 multiplied by 3.
diamong [38]
The <span>expression that represents n plus 7 multiplied by 3 is
(n + 7)(3)
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7 0
3 years ago
Read 2 more answers
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