4 years ago

Select all that apply.

Mathematics

1 answer:

BlackZzzverrR [31]4 years ago

5 0

Answer:

A. Divide by 100

C. Move the decimal point two places to the left

Step-by-step explanation:

To write a percent as a decimal, divide by 100 or move the decimal point two places to the left.

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Eli attended a concert. The decibel level of the music averaged 110 decibels but varied by 28 decibels from the average. Enter a

musickatia [10]

Answer:

The decibel range is $82\leq d\leq 138$

Step-by-step explanation:

Let

d -----> the decibel level of the music

we know that

The absolute value of the difference of the decibel level of the music and its average, must be less than or equal to 28 decibels

The absolute value that represent this problem is

$\left|d-110\right|\le28$

Solve the absolute value

<em>First solution (positive)</em>

$+(d-110)\le28$

Adds 110 both sides

$d\le28+110$

$d\le138$

<em>Second solution (negative)</em>

$-(d-110)\le28$

Multiply by -1 both sides

$(d-110)\ge-28$

Adds 110 both sides

$d\ge-28+110$

$d\ge82$

therefore

The decibel range is

$82\leq d\leq 138$

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4 years ago

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navik [9.2K]

Answer:

x = 5/26

Step-by-step explanation:

3/4 x + 5/8 =4x

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3 years ago

The radius of a circular rug is 4 feet. How much ribbing will you need to buy to go around the rug? Use 3 for i.

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Answer:

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A micron is 1x10 to the 6th power. write that number and unit in standard form.

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6000000 just add 6 zeros at the end

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Find the number missing from the following equivalent fractions:4/11= ?/66

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Answer:

Step-by-step explanation:

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If 11 is multiplied by 6 to give 66.

then, 4 should also be multiplied by 6, for the equivalent fraction. This gives you 24.

Hope this helps. Good Luck

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