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ivann1987 [24]
3 years ago
10

Find the slope of a line perpendicular to y = 3x + 7

Mathematics
1 answer:
Vikki [24]3 years ago
4 0

Answer:

-1/3

Step-by-step explanation:

The slope of the line has the form y = mx + b where m is the slope. Here the slope is m = 3. A line perpendicular to it will have a negative reciprocal slope. The negative reciprocal of 3 is -1/3.

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At an appliance store, the price of a refrigerator is marked up 25% to $406.25.
OLga [1]
<span>304.688. Take 25% of 406.25, which is 101.562 and then subtract it from 406.25.</span>
5 0
3 years ago
Read 2 more answers
1. On the last 5 quizzes, Marco has earned a total of 21 out of 25 possible points. If he has a perfect
Nonamiya [84]

The number of points Marco needs to bring his average up to 90% is 15points.

If there's a possible 25 possible points, and Marco has taken 5 quizzes;

Evidently, each quiz has weighs 5 points.

Mathematically;

\frac{21 + 5x}{5(5 + x)}  \times 100\% =  \frac{90}{100}

  • 2100 + 500x = 2250 + 450x

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Therefore, he needs 5x points = 15 points to bring his average up to 90%.

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https://brainly.in/question/24249798

3 0
2 years ago
WILL GIVE U BRAINLIEST ... how many solutions does this parabola have ??????
CaHeK987 [17]

Answer:

No solutions

Step-by-step explanation:

This parabola <em>does not</em> touch the x-axis, therefore, there are no solutions.

8 0
2 years ago
Need a quick answer please
Romashka [77]

Step-by-step explanation:

S is equal to Q

Q= 48.5

there are two angels (S,Q). They equal 48.5

so 48.5x2= 97

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you can take the 97 and subtract it from the 360 =263

divide 263 to get the angels for P and R

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8 0
3 years ago
Write the inequality that represents the solution set for −23/17y&lt;12/7.
Tom [10]
-23/17y < 12/7
y > 12/7 * - 17/23
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8 0
2 years ago
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