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2 years ago

9

Becky made 63 carnival masks which is 30 % less than the number her brother made How many carnival masks did beck and her brothe

r make in total?

1 answer:

LenaWriter [7]2 years ago

8 0

Answer:

sorry im not smart

Step-by-step explanation:

sorry

THis is akward lol

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Please Answer??? The binomial expansion of (2x-y)^3 is

Marina86 [1]

Your answer is B.

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Could I have brainly-ist?

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3 years ago

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Max and Sharifa are both saving to buy the same model of DVD player, which costs $99, including tax. Max already has $31.00 and

gogolik [260]

Answer:

Sharifa can pay for the DVD player first.

Step-by-step explanation:

<u>Max:</u>

99 - 31 = $68 remaining

68 / 8.5 = <em>8 weeks</em>

<u>Sharifa:</u>

99 - 25.5 = $73.50 remaining

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2 years ago

830000 in scientific notation

DedPeter [7]

Answer:

8.3 * 10 ^5

Step-by-step explanation:

830000

To change this to scientific notation, we move the decimal 5 places to the left. The exponent will be positive 5 because we moved it to the left

8.3 * 10^ +5

8.3 * 10 ^5

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3 years ago

EASY MATH QUESTION! WILL GIVE BRAINLIEST! (MUST EXPLAIN HOW YOU GOT YOUR ANSWER!) By the end of the first quarter of a football

castortr0y [4]

Answer:

+73 yards.

Step-by-step explanation:

Since we have the first two quarters, we can simply work out the yardage for each game and add them together to get the total.

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2 years ago

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If one bag of grass seed will cover 225 square feet, what is the minimum number of bags the haney family will need to cover thei

Veronika [31]

Answer:

9 bags

Step-by-step explanation:

First we will need to calculate the area of their entire backyard, which has a shape of trapezium.

So the formula for the area of a trapezium is $A=\frac{(a+b)*h}{2}$

a and b are the lenghts of the parallel sides and h is the height.

From the picture $a=10*5=50\\b=9*5=45\\h=8*5=40$

Then we plug into our formula

$A=\frac{(a+b)*h}{2} =\frac{(50+45)*40}{2} = 1200$ square feet

To get the number of bags required we just simply divide the aree of their entire yard by the space that 1 bag covers. We get:

$\frac{1900}{225} =8.444...$ bags

This is more than 8 bags so they will need 9 bags to cover their entire yard.

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2 years ago