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3 years ago

Will mark brainliest if u help! Please answer both questions! They are very easy

Mathematics

1 answer:

Tems11 [23]3 years ago

5 0

D and 3, sorry if wrong hahaha

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if 28 students out of 35 in our class enjoy using electronics in their spare time, how many would you expect out of the 300stude

max2010maxim [7]

Answer:

240 students

Step-by-step explanation:

28/35=x/300

cross multiply to get 35x=300*28

divide both sides by 35 to get 240

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3 years ago

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20%of what number is 80?

prisoha [69]

20% times n = 80

.20 n = 80

divide both sides by .2

n = 80/.2

n= 400

Answer: 400

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3 years ago

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For a test.. Solve. 21<7

alexandr1967 [171]

Answer:

21 is greater

Step-by-step explanation:

If its not.......maybe I am dumb :)

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3 years ago

Mary bought 4 apples at $8. Complete the table. Apples Price 1 4 3 6 7

Eva8 [605]

Mary bought 4 apples at $8

so unit price = 8/4 = $2/each

Table:

Apples Price

1 $2

3 $6

4 $8

7 $14

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4 years ago

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√x + x+13 =? domain

hram777 [196]

$\sqrt{x}+x+13}\\\\\sqrt{x}\ exist\ for\ x\geq0.\\\\Therefore\ the\ domain:\\\\x\geq0\to x\in\mathbb{R^+}\cup\{0\}\to x\in\left[0,\ \infty\right)$

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3 years ago