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3 years ago

Someone help me with this one

Mathematics

1 answer:

Lelechka [254]3 years ago

7 0

do you need help with all of them?

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Jade got a 90% on her math quiz. She had 36 questions correct. How many questions did Jade get wrong?

Brums [2.3K]

Answer:

4 questions

Step-by-step explanation:

90% is the same as multiplying a number by 0.9. Let's say the number of questions on the quiz is x. This means the amount she got right was 0.9x. We are given this is 36, so we can set them equal and simplify:

0.9x = 36

x = 40

She must have gotten 40 - 36, or 4 questions wrong.

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3 years ago

PLEASE ASAP I WILL MARK BRAINLIST

inessss [21]

Answer:

a. quotient refers to division

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3 years ago

Use the five number summary calculated in part C to create a box plot representing the data. Draw a box plot representing the fo

Alex777 [14]

Answer: Minimum: 20

Quartile Q1: 23.5

Median: 27

Quartile Q3: 31

Maximum: 35

Step-by-step explanation: The five number summary gives you a rough idea about what your data set looks like. For example, you’ll have your lowest value (the minimum) and the highest value (the maximum) or where data is more concentraced. The main reason you’ll want to find a five-number summary is to find more useful statistics, like the interquartile range IQR, sometimes called the middle fifty.

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3 years ago

Does anyone know how to do this question ??

Viktor [21]

Y^2-9^2

(y-9)(y+9)

To see if its right:

y*y+y*9-9*y-9*9
y^2+9y-9y-81
y^2-9^2

4 0

3 years ago

What is the answer? please help

amid [387]

Answer:

solution,

A(2,7)---------> (X1,y1)

B(6,3)--------->(x2,y2)

now,

 $ab = ( \frac{x1 + x1}{2} \: , \frac{y1 + y2}{2} ) \\ = (\frac{2 + 6}{2} \: , \frac{7 + 3}{2} ) \\ = ( \frac{8}{2} \:, \frac{10}{2} ) \\ = (4 ,\: 5)$ 

hope this helps...

Good luck on your assignment...

7 0

3 years ago

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