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zavuch27 [327]
3 years ago
7

On the written part of her driving test, Sara got 84% of the questions right. If Sara got 63 questions right, how many total que

stions were on the test?
Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0

Answer:

75 questions

Step-by-step explanation:

Let x = total number of questions

Multiply the number of questions by the percent she got right to equal the number of questions right

x*84 % = 63

Change to decimal form

.84x = 63

Divide by .84

.84x/.84 = 63/.84

x =75

There are 75 questions

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Two angles have measures of 53° and 127°. What type of angle pair do they form?
vodomira [7]
If it’s a triangle it’s An obtuse angle because so far 53 + 127 equals 180 and obviously if it’s a triangleyou need a third angle so it’d be over 180 meaning obtuse. If those are the only sides and it’s not a triangle then it’s a straight angle because a straight angle is 189 degress
6 0
3 years ago
Answer both pls. True or false? explain
olga55 [171]

Answer:

False

Step-by-step explanation:

It is not because a linear function make a straight line, since it contains x^{2} is is not linear. It creates a parabola.

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3 years ago
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2 years ago
Ellen bought 18 boxes of paper clips. Each box had 150 paper clips. How many paper clips did Ellen buy
r-ruslan [8.4K]

Answer:

Ellen bought 2700 paper clips.

Step-by-step explanation:

Total boxes=18

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Total paper clips=18×150

                           =2700

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2 years ago
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The area of a cross section through the center of a sphere is 46 square inches. Find the surface area of the sphere.
gavmur [86]

Answer:

184 in.^2

Step-by-step explanation:

The cross section through the center of a sphere is a circle whose radius is equal to the radius of the sphere.

area of circle

A_{circle} = \pi r^2

\pi r^2 = 46

r^2 = \dfrac{46}{\pi}

r = \sqrt{\dfrac{46}{\pi}}

r = 3.83 ~in.

surface area of sphere

SA = 4 \pi r^2

SA = 4 \times \pi \times (3.83)^2

SA = 184~in.^2

7 0
3 years ago
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