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shtirl [24]
3 years ago
7

Select the expression that is equal to (9x + 3)– (5x-7).

Mathematics
2 answers:
barxatty [35]3 years ago
7 0

Answer:

A

Step-by-step explanation:

9x-5x=4x

3-(-7)=10

4x+10

Mariana [72]3 years ago
5 0

Answer:

B

Step-by-step explanation:

I think it's B because it's looks equal

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70 POINTS Given the function, f (x) = 1/x-1 - 5 , choose the correct transformation.
matrenka [14]

Answer:

right 1, down 5

Step-by-step explanation:

We are given function as

f(x)=\frac{1}{x-1}-5

Firstly, we will find parent function

f(x)=\frac{1}{x}

We can see that in place of x , we have x-1

so, it is shifted right side by 1 unit

and 5 is subtracted from y-value

so, it is shifted downward by 5 units

right 1, down 5.........Answer

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4 years ago
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X/8=8/64 Solve the proportion for x.
Alexxandr [17]

Answer: x = 1

Step-by-step explanation:

Step 1: Cross-multiply.

x/8 = 8/64

x*(64)=(8)*(8)

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Step 2: Divide both sides by 64.

64x/64 = 64/64

\frac{64x}{64} =\frac{64}{64} \\

Therefor, the answer is x = 1

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4 years ago
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sam drives 15.6 miles to work each day he drives a total of 23 days one month how far did he drive for the month
sukhopar [10]

358.8 miles in one month

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4 years ago
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Nolini says that if the denominator is more than twice the numerator, the fraction can always be replaced with a 0. Is she corre
Len [333]

Answer:

yes

Step-by-step explanation:

It depends on how accurate you want your answer to be, but basically yes, imagine we set our numerator to be x, and our denominator to be 2x, if we built our fraction we will get that:

\frac{x}{2x}=\frac{1}{2}

If the denominator of a fraction is exactly twice the numerator, then the fraction will be simplified to 1/2 or 0.5.

Now, the greater the denominator is, the closer the fraction will get to zero.

Take for example I had an fraction like this:

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which approximates to 0. If we made the denominator bigger, let's say 7, we would get:

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notice the answer is closer to 0 this time, so it's valid to round it to zero. If we made the denominator greater, let's say 25, we would get:

\frac{3}{25}=0.12

and so on. So it is true that if the denominator of a fraction is greater than twice the numerator, we can always replace the fraction with a 0 (depending on how accurate you want your answer to be).

5 0
4 years ago
How much I treat will be earned on a savings account that pays 8% compounded annually, if $16,000 is invested for 2 years?
leva [86]
I=prt
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4 years ago
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