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3 years ago

What is the answer for 91 = 43+x

Mathematics

2 answers:

Sholpan [36]3 years ago

4 0

Answer:

x=48

Step-by-step explanation:

UkoKoshka [18]3 years ago

4 0

Answer:

x=48

Step-by-step explanation:

Solve for x by simplifying both sides of the equation, then isolating the variable.

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What is rational or irrational

kondor19780726 [428]

A rational number is a number that you can be written as a ratio and a irrational number is a real number that cannot be written as a ratio or integer as a fraction.

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3 years ago

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Write a word problem for 2 divided by 1/4 equal 8

Lelechka [254]

Answer:

Adam has 2 apples he cuts the apples into fourths giving him 8 apple slices

Step-by-step explanation:

hope it helps

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3 years ago

Before the industrial revolution in 1800 the concentration of carbon in Earth’s atmo- sphere was 280 ppm. The concentration in 2

slega [8]

Answer: There is increase of 4.255 in the amount of carbon in the atmosphere.

Step-by-step explanation:

Since we have given that

Concentration of carbon in Earth's atmosphere in 1800 = 280 ppm

Concentration of carbon in Earth's atmosphere in 2015 = 399 ppm

We need to find the percentage increase in the amount of carbon in the atmosphere.

So, Difference = 399-280 = 119 ppm

so, percentage increase in the amount of carbon is given by

$\dfrac{Difference}{Original}\times 100\\\\=\dfrac{119}{280}\times 100\\\\=\dfrac{11900}{280}\\\\=42.5\%$

Hence, there is increase of 4.255 in the amount of carbon in the atmosphere.

4 0

3 years ago

How many 1/8s in 25?

Artemon [7]

Hey there! :D

In the fraction 1/8, the denominator is 8. There are 8 of these parts or “fractions” in 1. So, multiply that by 25.

8*25= 200

There are 200 1/8s in 25.

I hope this helps!
~kaikers

5 0

3 years ago

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Which expression is equivalent to 13 - -21

Ber [7]

13 + 21 = 13- -21

The minus sign and negative cancel each other out.

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3 years ago