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3 years ago

1/8 plus 3/4: lolz tell me u need help

Mathematics

2 answers:

Margarita [4]3 years ago

5 0

Answer:

0.875

Step-by-step explanation:

KATRIN_1 [288]3 years ago

4 0

Answer:

7/8

Step-by-step explanation:

1/8 = 1/8

3/4 = 6/8

1/8 + 6/8 = 7/8

The answer should be 7/8.

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4|x+5|=20<br> Thanks for the help

Kipish [7]

4 |x = 5| = 20

First, divide both sides by 4. / Your problem should look like: $|x + 5| = 5$
Second, simplify $\frac{20}{4}$ to 5. / Your problem should look like: $|x + 5| = 5$
Third, break the problem into 2 equations. / x + 5 = 5 and -(x + 5) = 5
Fourth, solve x + 5 = 5. /
Cancel 5 on both sides. / $x = 0$
Fifth, solve -(x + 5) = 5 /
Simplify brackets / $-x - 5 = 5$
Add 5 to both sides / $-x = 5 + 5$
Add 5 + 5 / $-x = 10$
Multiply both sides by -1 / $x = -10$
x = -10
Sixth, collect the solutions to the problems. / Your problem should look like: $x = -10, 0$

Answer: x = -10, 0

3 0

3 years ago

Read 2 more answers

What is the percent change from 125 cm to 87.5 cm?

olganol [36]

If you are asking how to subtract 125 centimeters and make it 87.5, you have to subtract from 125. The easiest way to do this is to subtract 87.5 from 125, getting 37.5. So, if you add 37.5 to 87.5, you will have 125. So, the correct answer is to subtract 37.5 to get 87.5.

Hope this helps you:)

5 0

4 years ago

Read 2 more answers

Larry was born on June 7, 1962. His little sister was born thirteen years and three days later. When was his sister born?

Viefleur [7K]

Answer:

The answer is B

Step-by-step explanation:

2021 - 1962 =59

59-13=46

2021-46=1975

Then 7+3=10

3 0

3 years ago

The length of a violin string varies inversely with the frequency of its vibrations. A violin string 14 inches long vibrates at

lara31 [8.8K]

Answer: 525 cycles per second.

Step-by-step explanation:

The equation for inverse variation between x and y is given by :-

$x_1y_1=x_2y_2$ (1)

Given : The length of a violin string varies inversely with the frequency of its vibrations.

A violin string 14 inches long vibrates at a frequency of 450 cycles per second.

Let x = length of a violin

y= frequency of its vibrations

To find: The frequency of a 12 inch violin string.

Put $x_1=14,\ x_2=12\\y_1=450,\ y_2=y$ in equation (1) , we get

$(14)(450)=(12)(y)$

Divide both sides by 12 , we get

$y=\dfrac{(14)(450)}{12}=525$

Hence, the frequency of a 12 inch violin string = 525 cycles per second.

3 0

3 years ago

Consider the trinomial x^2 + 3x − 40. as a first step to factoring it, find the factors of −40 such that the sum of those factor

photoshop1234 [79]

What are factors of -40?
(-20)(2)
(-10)(4) (sum of these factors is 6, which is not what we wanted)
(-5)(8) = -40 and the sum of the factors (-5) and (8) is 3.

{-5, 8} is the list of factors of -40 that add up to 3.

3 0

4 years ago