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3 years ago

Of the 245 7th graders, 40% of them are in band. How many 7th graders are in band?

1 answer:

8 0

Answer: 98 students

Explanation:
1. Turn 40% into a decimal by removing the “%” and placing “0.” In front of it. (0.4)
2. Multiply the decimal (0.4) by the number of students (245) to get the answer. (0.4x245=98)

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Multiply the following rational expressions and simplify the result

GarryVolchara [31]

Answer:

Step-by-step explanation:

We have to solve the given expression,

$\frac{9y-33y^2-3y^4}{100-49y^2}.\frac{7y^2+17y+10}{14y^2+28y}$

$\frac{9y-33y^2-3y^4}{100-49y^2}.\frac{7y^2+17y+10}{14y^2+28y}$ = $\frac{-y(-9+33y+3y^3)}{100-49y^2}.\frac{7y^2+17y+10}{14y(y+2)}$

= $\frac{-y(-9+33y+3y^3)}{(10-7y)(10+7y)}.\frac{7y^2+10y+7y+10}{14y(y+2)}$

= $\frac{-y(-9+33y+3y^3)}{(10-7y)(10+7y)}.\frac{y(7y+10)+1(7y+10)}{14y(y+2)}$

= $\frac{-y(-9+33y+3y^3)}{(10-7y)(10+7y)}.\frac{(y+1)(7y+10)}{14y(y+2)}$

= $\frac{-3y(-3+11y+y^3)}{(10-7y)}.\frac{(y+1)}{14y(y+2)}$

= $\frac{-3(-3+11y+y^3)}{(10-7y)}.\frac{(y+1)}{14(y+2)}$

= $\frac{3(3-11y-y^3)(y+1)}{(10-7y)(14(y+2)}$

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3 years ago

What is the measure of angle 1?

Wittaler [7]

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3 years ago

How do you solve for x? -10 - 2x > 54

expeople1 [14]

Answer:

x< -64

Step-by-step explanation:

hope this helps ;)

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10. If pointer 1 is spun and then pointer 2 is spun, determine the probability of landing on a color other than red on both spin

Brilliant_brown [7]

Answer:

Answer below

Step-by-step explanation:

1/8 is correct

in pic

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2 years ago

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Harlamova29_29 [7]

Answer: I think the answer is. x=y*z I dont know what the verbles are but thats what I got. ANd can you zoom in a bit?

Step-by-step explanation:

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3 years ago