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gregori [183]
2 years ago
12

Natalie earned a grade of 79 on her multiple choice science final that had a total of 200 problems. How many problems on the fin

al exam did Natalie answer correctly?
Mathematics
1 answer:
Semenov [28]2 years ago
4 0

Answer:

158 correct

Step-by-step explanation:

79 out of 100 = 158 out of 200

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Ayush and sumit take two different routes to school. Ayush's route is 1km 2hm long while sumit route is 2hm 30dam long while rou
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Answer:

Ayush's route is 0.7 km or 700m longer than Sumit route.

Step-by-step explanation:

Ayush's route is 1km 2hm long while sumit route is 2hm 30dam.

We know that,

1 km = 10 hm

1 dam = 0.1 hm

Using these conversions we get

Ayush's route = 1km 2hm = (1×10) hm + 2 hm = 12 hm

Sumit route = 2hm 30dam = 2 hm + (30×0.1) hm = 2 hm + 3 hm = 5 hm

Ayush's route is longer.

Difference = 12 hm - 5 hm = 7 hm = 0.7 km            [1 km = 10 hm]

Hence, Ayush's route is 0.7 km or 700 m longer than Sumit route.

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3 years ago
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Point P' is the image of P(3,5) under a reflection across the y-axis.
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Answer:

(-3,5)

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In reflections the x axis is the opposite only

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2 years ago
Help!!i will give BRAINLIEST to whoever answers
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Answer:

-11.167 is the answrr

Step-by-step explanation:

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Write the equation of a line that is perpendicular to y=3x-2 that passes trough the point (-9,5)
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\huge\boxed{y-5&=-\frac{1}{3}(x+9)}

First, we'll find the slope of the new line. The first line has a slope of 3. Take the negative reciprocal of this (Flip the numerator and denominator, then multiply by -1) to get -\frac{1}{3} for the new slope.

Then, we'll use the point-slope form to make the new equation, where m is the slope and (x_1,y_1) is a point on the line:

\begin{aligned}y-y_1&=m(x-x_1)\\y-5&=-\frac{1}{3}(x-(-9))\\y-5&=-\frac{1}{3}(x+9)\end{aligned}

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1 year ago
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