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zalisa [80]
3 years ago
11

I just need the inequality/equation please!

Mathematics
1 answer:
vladimir2022 [97]3 years ago
4 0

Let x represent the amount that she needs to save each month for the next year.

Stephanie is saving money to buy a new computer. So far she has saved $200. This means that the total amount that she would have saved in y months is

200 + xy

Since there are 12 months in a year,

an inequality to show how much she needs to save each month for the next year so she has at least $1200 to spend on the computer is

200 + 12x ≥ 1200

12x ≥ 1200 - 200

12x ≥ 1000

x ≥ 1000/12

x ≥ 83.33

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1 1/2 x ^ 3 * 8/15 * the power of 2
Mnenie [13.5K]

Your drawing was much more helpful and informative than your statements in words and symbols.

I see that you want to evaluate (3/2)^2 times (8/15)^2.

You could combine these two expressions into one, as follows:

3*8

( ----------- )^2

2*15

This, in turn, can be simplified by reduction:


( 4/5 )^2. Expanded, this result gives us 16/25.


Next problem

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( 9/4 )^4 * ( 4/3 )^3

9^4 4^3

First, focus on ( ------- ) * ( ----------- )

4^4 3^3

Now reduce 4^3 / 4^4: The end result is 1/4.

Reduce 9^4 / 3^3. To do this, rewrite that 9 as (3^2), resulting in:

3^8 / 3^3. The end result is 3^5.

Putting this expression back together, we get 3^5 / 4 (answer)

4 0
3 years ago
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11. Kim's paycheck shows that she earned $287.50 before taxes. What was her hourly rate if she
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3 years ago
To factor the expression 3x2 – 9x, Caleb found the GCF as shown.
Burka [1]

Answer:

Caleb’s error was :

instead of selecting the least exponent ,Caleb took the highest exponent.

Step-by-step explanation:

3x² = 3 • x • x

(in this factorization the exponent of 3 is 1 and the exponent of x is 2)

9x = 3 • 3 • x

(in this factorization the exponent of 3 is 2 and the exponent of x is 1)

• The common factors of 3x² and 9x are 3 and x

In order to determine the GCF ,we have to Compare the exponents of the  common factors then take the numbers which have the least exponent value.

• in the factorization of 3x² the exponent of 3 is 1

and in the factorization of 9x the exponent of 3 is 2

The least exponent is 1 Then we take it.

• in the factorization of 3x² the exponent of x is 2

and in the factorization of 9x the exponent of x is 1

The least exponent is 1 Then we take it.

<u><em>Conclusion</em></u>:

GCF(3x² , 9x) = 3¹ × x¹ = 3x

8 0
2 years ago
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svlad2 [7]

Hii

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6 0
2 years ago
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Plsss help I don’t know how to solve it :)
Law Incorporation [45]

Answer:

x= 29

Step-by-step explanation:

These angles equal 180° since they are corresponding angles.

So, the equation would be: (2x-10)+(4x+16)= 180.

Step 1- Add common variables.

(2x+4x)+(16-10)= 180

6x+6= 180

Step 2- Subtract 6 to both sides.

6x+6= 180

    -6     -6

6x= 174

Step 3- Divide both sides by 6.

<u>6x</u>= <u>174</u>

6     6

x= 29

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3 years ago
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