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4 years ago

If you have 75 questions how many question will you need to get correct to get a 90%

Mathematics

2 answers:

Wittaler [7]4 years ago

6 0

Answer:

68 Questions

Step-by-step explanation:

When using the symbol % (percent), it means that percent of 1. So for example: 90% = 0.9 because 90/100 simplifies to 9/10, which is also 0.9.

In this problem, the question basically is: What is 90% of 75? The math equation to use would be: 75×0.9.

x .9

67.5

Doing the math, 90% of 75 is 67.5. In the problem, we don't know if you can get a half-credit for a problem, so we have to round 67.5 to the nearest whole number. The number 67.5 rounds up to 68.

So, if you have 75 questions, you need to get correct 68 questions in order to get a 90%.

Hope this answer helps you!

If you don't mind, please mark my answer as brainliest! Thanks!

professor190 [17]4 years ago

3 0

Answer:

67.5

Step-by-step explanation:

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Pls help asap !!!!!!

Licemer1 [7]

Answer:

The MEDIAN, 4.5 hours, is the best measure of center, so the IQR is the best measure of variability.

McKennas conclusion IS NOT accurate. The mode of her data IS 6 hours. However, MORE than half of the time, she spends LESS than 6 hours riding her horse. It would be more accurate to say that Mckenna typically rides her horse between 2.5 and 6 hours.

Step-by-step explanation:

Put the values in order of smallest to largest:

0, 2, 2, 2.5, 2.5, 3, 4, 5, 6, 6, 6, 8, 9, 10

Median (middle value) = (4 + 5)/2 = 4.5

Lower quartile Q1 = 2.5

Upper quartlie Q3 = 6

IQR = Q3 - Q1 = 3.5

Mode (value that occurs most often) = 6

Mean (average) = sum of values ÷ number of values = 4.7

Range (difference between the highest and lowest values) = 10 - 0 = 10

Median is the best measure of the center since it isn't influenced by extreme values.

IQR is less affected by outliers and extreme values. It gives a consistent measure of variability for skewed data.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

The MEDIAN, 4.5 hours, is the best measure of center, so the IQR is the best measure of variability.

3 0

2 years ago

Desperate please Hurry Question Down Below

julsineya [31]

Answer:

Step-by-step explanation:

$\frac{6+10}{2+2}$ = $\frac{16}{4}$ = 4

4 0

2 years ago

A gear in a machine turns 2 1/2 times every hour.

givi [52]

We can solve this by multiplying those two numbers but we place them in improper fraction.

2 1/2 x 2 1/4
becomes
5/2 x 9/4

for fraction multiplication, just multiply numerator by numerator and denominator by denominator

5/2 x 9/4 = 45/8

we can simplify this into mixed fraction while numbers in whole numbers and remainder in numerator

5 5/8 is the answer

6 0

4 years ago

3. Amy Schorling is age 24 and is unmarried. She uses her vehicle

azamat

Based on Amy Schorling's driver rating factor, vehicle classification and bodily injury coverage, her annual premium is $576.46.

If she includes the $50-deductibel collision coverage, her insurance premium becomes $1,067.08.

<h3>How much is Amy Schorling's annual premium?</h3>

At $25,000 property damage, her 25/50 bodily injury coverage premium is $206.40.

This should be added to her $50 comprehensive deductible D-14 vehicle classification of $105.20.

Annual base premium:

= 206.40 + 105.20

= $311.60

Annual premium:

= Annual base premium x Driver rating factor

= 311.60 x 1.85

= $576.46

<h3>How much is the annual premium including collision coverage?</h3>

The annual base premium becomes:

= 311.60 + 265.20

= $576.80

Annual premium becomes:

= 576.80 x 1.85

= $1,067.08

Find out more on insurance coverage at brainly.com/question/25740123.

5 0

2 years ago

When the distributive property is used to solve the equation 8 (x+6) , what is the next step?

andreev551 [17]

Answer:

The next step is to multiply 8 and x, and 8 x 6 which equals 8x + 48

Step-by-step explanation:

6 0

3 years ago