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vovangra [49]
3 years ago
8

PLEASE HELP!!

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
8 0

Answer:

B) Median

C)he median is between 80 and 90.

D) The mean test score will increase by 2.

Step-by-step explanation:

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Can someone help me do this problem and explain it to me step by step? If so I’ll mark you brainliest
Advocard [28]

Answer:

-21

28

Step-by-step explanation:

1) if r = -4

Substitute r = -4 in 3r - 9

= 3 * (-4) - 9

= -12 - 9

= -21

2) ( 4 / 7 ) * x = 16

 4 * x = 16 * 7

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lubasha [3.4K]
I think the answer is 120.
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4 years ago
Write 2,930,365 in expanded notation
Snowcat [4.5K]

Step-by-step explanation: The place value chart can help us write a number in expanded notation. When we put 2,930,365 into the place value chart, we can recognize that our number is equal to 2 millions + 9 hundred thousands + 3 ten thousands + 0 thousands + 3 hundreds + 6 tens + 5 units.

The place value chart is attached in the image provided.

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3 years ago
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SOMEONE PLZ HELP
taurus [48]

Answer:

2(x+4)

Step-by-step explanation:

Tom ate four more pieces of fruit than Janet. Sylvia ate twice as many pieces of fruit as Tom. If x represents the number of pieces of fruit that Janet ate, write an expression to represent the amount of fruit that Sylvia ate.

Janet: (X)

Tom: X+4

Sylvia: 2(X+4)

I started by making listing out who did what. Janet is stated as clearly X, so that's all we need for her.

The question says Tom ate four more pieces of fruit than Janet. This is simple addition since you're adding four to Janet's amount of fruit. Therefore this makes Tom's equation X+4.

Then Sylvia eats TWICE the amount as Tom. In simpler terms, she's doubling the amount of food Tom eats. Doubling something is simply multiplying it by two. Therefore, we take Tom's amount eaten, which we made into an equation in the paragraph before this one, and multiply it by two.

Placing parenthesis around Tom's equation means that that part is solved before its multiplied. We do this because we need to acknowledge that X+4 is its own equation that needs to be clarified/solved before being doubled. So, the answer is 2(X+4)

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3 years ago
Give domain from least to greatest points.- (2,1) (3,4) (5,6) (7,5) (9,3)
andre [41]

Answer:

potanginaaaa you ahahahaha plss

Step-by-step explanation:

pa brainliest po baby bago Po Ako dito

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3 years ago
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