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4 years ago

Please help me with all of it

Mathematics

1 answer:

MrRissso [65]4 years ago

6 0

Hello There!

Number 2

3.50x=40

Then, divide both of the numbers by 3.50.

You end up with X=11.42 is greater or equal to 12 movies

Number 3

5h+3

5 ‘5’ + 3 = 30

Number 4,5,6 are attached in images below.

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suter [353]

Answer:

Step-by-step explanation:

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3 years ago

Tom reports that the ratio of teachers to students at South High School and North High School is the same. There are 45 teachers

Likurg_2 [28]

Answer:

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Step-by-step explanation:

3 0

3 years ago

Solve 2x2 − 4x − 5 = 0 by completing the square.

arsen [322]

For this case we have the following polynomial:
$2x ^ 2 - 4x - 5 = 0
$
Rewriting we have:
$2x ^ 2 - 4x = 5

x ^ 2 - 2x = 5/2$
Then, completing squares we have:
$x ^ 2 - 2x + (-2/2) ^ 2 = 5/2 + (-2/2) ^ 2
$
Rewriting:
$x ^ 2 - 2x + (-1) ^ 2 = 5/2 + (-1) ^ 2

x ^ 2 - 2x + 1 = 5/2 + 1

(x-1) ^ 2 = 7/2$
$x-1 = +/- \sqrt{7/2} x = 1 +/- \sqrt{7/2}$
Then, the solutions are:
$x1 = 1 + \sqrt{7/2} x2 = 1 - \sqrt{7/2}$
Answer:
$x1 = 1 + \sqrt{7/2} 

x2 = 1 - \sqrt{7/2}$

3 0

4 years ago

A wise man once said, "500 reduced by 4 times my age is 160." What is his age?

babymother [125]

Answer:

165 years old

Step-by-step explanation:

For now let his age be = x

According to the question,

4x - 500 = 160

4x = 160 + 500

4x = 660

x = 660 / 4

x = 165 years old

(He is tooooo wise)

Hope it helps!

Mark it as Brainliest

3 0

3 years ago

Are 5(8y - 8) and 40y - 40 equal?

g100num [7]

Answer:

Step-by-step explanation:

5 * 8y = 40y

8 * 5 = 40

40y - 40 IS equal to 40y - 40

7 0

3 years ago

Read 2 more answers