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lesya692 [45]
3 years ago
15

Simplifying algebraic expressions -5 (3n+6)

Mathematics
1 answer:
myrzilka [38]3 years ago
7 0
You would multiply -5 x 3n and -5 x 6. Then you would get -15n - 30, which is your answer.
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Find the measure of angle P in the triangle below.
kykrilka [37]

Answer:

Step-by-step explanation:

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angle p = sin∧-1 0.8 = 53.13010235

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633 divided by 3 long division pls I'm doing a test 5th grade kk​
solong [7]

hi!!

here is your answer

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221

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hope it helps you ❤❤❤

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3 years ago
What line is parallel to 2x+5y=6 that goes through (5,3)
Anna11 [10]

Answer:

4y = x - 17

Step-by-step explanation:

First off, in the equation given : 2x + 5y = 6 , make y the subject of the formula which will give y = \frac{-2x}{5} + \frac{6}{5}  which make the gradient, m, the coefficient of x = \frac{-2}{5}  . Since the line we're looking for is parallel to the one we were given, their respective gradients would be the same. (If they were perpendicular, the gradient of the new line would be a negative inverse of the given line)

Then you proceed to use the one-point formula : y - y₀ = m(x - x₀), where   y₀ = 3 and x₀ = 5 from the point it goes through (5, 3)

y - 3 = \frac{1}{4}(x - 5); y - 3 = \frac{x}{4} - \frac{5}{4};  y = \frac{x}{4} - \frac{5}{4} +3

y = \frac{x}{4} - \frac{17}{4};  y = \frac{x-17}{4}  ;   4y = x - 17

7 0
2 years ago
In order to win a quiz contest, olga must score more than 400 points. She earns 12 points for each right answer, and loses 4 poi
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The inequality that represents the number of right answers (r) and wrong answers (w) Olga can give to win the contest is:  3r-w>100

<u><em>Explanation</em></u>

Number of right answers is  r and number of wrong answers is  w

Olga earns 12 points for each right answer and loses 4 points for each wrong answer.

So, total points earned for r right answers =12r

and total points lost for w wrong answers =4w

That means, <u>her score will be</u>:  (12r-4w) points.

In order to win the quiz contest, Olga must score <u>more than 400 points</u>. So, the inequality will be.......

12r-4w>400\\ \\4(3r-w)>400\\ \\  3r-w>100

4 0
3 years ago
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