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Angelina_Jolie [31]

3 years ago

10

In Linda’s class of 20 students 14 of the students will practice for the school play. What percent of the class will practice fo

r the school play?

1 answer:

Sholpan [36]3 years ago

4 0

Answer:

70%

Step-by-step explanation:

14/20= 0.7 = 70%

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How do i simplify 4x - 6(7+4x)

sdas [7]

Answer:

-42-20x

Step-by-step explanation:

Use PEMDAS, which is:

P: Parenthesis

E: Exponents

M: Multiplication

D: Division

A: Addition

S: Subtraction

So first you would open parenthesis:

4x-42-24x

Then combine like terms:

4x-24x=-20x

Your answer would be -42-20x.

<em>~Stay golden~ :)</em>

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2 years ago

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Leno4ka [110]

If you treat multiplication as repeated a<span>ddition, then y</span>es, Juan is correct. Only equal groups can be multiplied.

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3 years ago

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If N = f(x) and f(x) = 3x^2 −x−5

harina [27]

Answer:

I really don't know so sorry

8 0

3 years ago

On an algebra test , the highest grade was 50 points higher than the lowest the sum of the two grades was 122 find the lowest gr

KATRIN_1 [288]

Answer:

Highest grade: 86

Lowest grade: 36

Step-by-step explanation:

Let the highest grade be h, lowest grade be l.

$h = 50 + l \\ \\ h + l = 122 \\ h = 122 - l \\ \\$

Therefore,

$122 - l \: = 50 + l \\ 2l \: = 72 \\ l = 36 \\ \\ h = 36 + 50 = 86$

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3 years ago