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3 years ago

Help quickly!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Zielflug [23.3K]3 years ago

4 0

Answer:

option D

Step-by-step explanation:

the value of x = 68

plz mark my answer as brainlist plzzzz .

hope this will be helpful to you .

jok3333 [9.3K]3 years ago

3 0

Answer:

x=68

Step-by-step explanation:

22+x=90 90-22/68

x=68

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A car repair center services 920 cars in 2012. The number of cars serviced increases quarterly at a rate of 12% per year after 2

zloy xaker [14]

Answer:

920*1.12^t

Step-by-step explanation:

Every year, we see that it goes up 12%.

12% in decimal form is 0.12.

Let's say we have "x" amount of cars one year. The next year, the number of cars will increase by 12%. 0.12x is added on after one year.

So in total, at the beginning of a new year, the number of cars is 0.12x+x = 1.12x.

In this case, we have 920 cars. So if every year the number of cars is multiplied by 1.12, then in "t" years we will have 920*(1.12)^t. We multiply by 920 because that's the current number of cars, and we add the ^t because we multiply by 1.12 every year.

You are very welcome!

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3 years ago

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Write an equivalent

erma4kov [3.2K]

Answer:

By substituting the value of the variable and simplifying it with the equation you get 158.

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3 years ago

Chris has twice as many $1 bills as

hodyreva [135]

There is not enough information to give a numerical answer.
Let t=number of ten dollar bills.
"he has twice as many dimes as he has 10 dollar bills", so the amount A is
A=10*t+0.1*(2t)
"he has twice as many pennies as he has dimes"
A=10*t+0.1*(2t)+0.01*4t
"chris has twice as many 1 dollar bills as pennies"
A=10*(t)+0.1*(2t)+0.01*(4t)+1*(8t)
=18.24t
Therefore the total amount Chris has is 18.24 times the number of $10 bills he possesses.

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3 years ago

Express the fraction in simplest form.

blagie [28]

4/16 in simplest form:

First, we need to find the greatest common factor (GCF) of 4 and 16. Why? We have to find the number that we are going to be dividing the numerator and denominator by to get the simplest form of the fraction. Let's list the factors for 4 and 16:

Factors of 4: 1, 2, 4
Factors of 16: 1, 2, 4, 8, 16

Out of the two sets of factors, which ones are the common ones? The common factors between the two are 1, 2, and 4. Since we are looking for the GREATEST common factor, we have to look at the highest number out of 1, 2, and 4. The GCF is 4, since 4 is higher than 1 and 2.

Second, we now have a number that we are going to divide the numerator and denominator by, which is 4. The numerator is the top number of the fraction (4) and the denominator is the bottom number of the fraction (16).Let's divide now.

$4 \div 4 = 1 \\ 16 \div 4 = 4$

Third, we now have the simplified fraction. (1) is our new numerator, and (4) is our new denominator. This makes the new simplified fraction 1/4. So, your answer is C.

Answer in fraction form: $\fbox {1/4}$
Answer in decimal form: $\fbox {0.25}$

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2 years ago

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Square root of 40 is between what two consecutive number

OLEGan [10]

It’s in between 6 and 7

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3 years ago