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alexgriva [62]
3 years ago
6

Can some one help me do this ;p

Mathematics
1 answer:
lawyer [7]3 years ago
5 0

Answer:

OPTION D: Between 7.33 and 7.34

Step-by-step explanation:

The maximum score is 10. So, the marks for her mistakes would be deducted from 10.

Since, Maya has made 8 mistakes and each mistake costs her $ \frac{1}{3} $ marks.

For 8 mistakes, she would lose $ 8 \times \frac{1}{3} = \frac{8}{3} $ marks.

Hence, the total marks she would get would be: $ 10 - \frac{8}{3} = \frac{30 - 8}{3} = \frac{22}{3} $

= 7. 333... (approx...)

Hence, the value should be between 7. 33 and 7 . 34.

OPTION D is the correct answer.

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16 2/3% of what number is 90?
zysi [14]

Answer:

540

Step-by-step explanation:

90 is 16 2/3% of 540

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3 years ago
Dave surveyed 80 7th-graders and 90 8th-graders. He found that about 75% of the 7th-graders like pop music, while 80% of the 8th
dimaraw [331]

<u>8th Grade: </u>90 x 0.80 = 72

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3 years ago
A ramp to a building has a height of 4 feet and the angle of elevation is 33 defrees. How long is the ramp?
sladkih [1.3K]
Height=4 ft
angle=33 degrees
My tip first is to draw it out. Draw an acute angle opening up to a building forming a triangle. Inside of the vertex of the acute angle is the degree 33 and the height of the building is 4 ft. So, use trig! Do you have a calculator? Opposite over hypotenuse is Sine. (SOH CAH TOA). (4)/(sin(33)). which equals 7.34 ft as your height! Hope this helped!
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3 years ago
3/8 divided by 13/16
dedylja [7]

Answer:

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8 0
3 years ago
Read 2 more answers
How is multiplying and dividing numbers in scientific notation different from adding and subtracting numbers in scientific notat
cupoosta [38]

Answer:

multiple and divide are depending on the powers ( sometimes the numbers before the scientific n.)

If the power neg- , it's going down

like this 10^-5 = 1/10^5

If the power pos+ , it's the same idea but different in signs .

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for example:

3x10^5 + 4x10^5 = (3+4)x10^5 = 7x10^5

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