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3 years ago

On a 40-question test, Peggy answers 34 questions correctly. What percent of the questions does she answer correctly?

Mathematics

2 answers:

marta [7]3 years ago

8 0

Answer:

A.) 85%

Step-by-step explanation:

tensa zangetsu [6.8K]3 years ago

5 0

The answer is A 85%

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Mariabella was 1/4 of the way through her book. Twenty pages later she was 1/3 of the way through her book. When she is 3/4 of t

Alex777 [14]

Answer: 60 pages left.

Step-by-step explanation:

Let the number of pages in the book be x.

As per given, we have

$\dfrac14x+20=\dfrac13x\\\\\Rightarrow\ \dfrac{1}{3}x-\dfrac14 x=20\\\\\Rightarrow\ \dfrac{4-3}{12}x=20\\\\\Rightarrow\ \dfrac1{12}x=20\\\\\Rightarrow x=20\times12\\\\\Rightarrow x=240$

$\dfrac34$ of total book = $\dfrac34\times 240=180$

Pages left = 240-180

= 60

Hence, 60 pages left.

3 0

3 years ago

Im failing math rn and really need help so pls help. Find the value of xin the triangle shown below.

slega [8]

Answer:

x = 10

Step-by-step explanation:

Pythagorean Theorem = a² + b² = c²

6² + 8² = c²

36 + 64 = c²

100 = c²

c = 10

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

6 0

3 years ago

Read 2 more answers

What is the slope of the line passing through the points (1, 3) and (3,9)?

Vikentia [17]

Answer:

Step-by-step explanation:

slop formula:

y2-y1

____

x2-x1

y2 is 9 and y1 is 3, so y2-y1 is 6

x2 is 3, x1 is 1, so x2-x1 is 2

6/2=3

4 0

3 years ago

Algorithms 32.5° + 16°=

Nady [450]

32.5* +16* =48.5*

Hopes it's help

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3 years ago

What is the distance between (-6,8) and (-3,9)?

atroni [7]

Answer:

The answer is C.

Step-by-step explanation:

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3 years ago