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zubka84 [21]
3 years ago
12

What is the value of 2x^-2 y^-2 for x=3 and y =-2

Mathematics
1 answer:
ikadub [295]3 years ago
4 0

Answer:

2.1/9.2^-2

2^-1/9

1/9.2

1/18

Step-by-step explanation:

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Please show your work! Brainliest if you do
TiliK225 [7]

Answer:

\frac{3x+4}{2x-2}

Step-by-step explanation:

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3 years ago
I don´t understand this: Lin’s father is paying for a $20 meal. a) He has a 15%-off coupon for the meal. How much is the discoun
Naddika [18.5K]

You'll have to set this up as two separate problems. First, we want to take 15% off the original $20 bill. To do this, you're going to multiply 20 by .15, which gives you $3. So, 15% off $20 is $17.

Now, we want to find 7% of the new bill, so we're going to multiply 17 by .07 to get $1.19, and add it to the $17, making the final bill $18.19. You could also multiply $17 by 1.07 to get your final total without the extra step in the middle, but only do that once you're comfortable with the math.

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3 years ago
Carlos is using a number line to add another integer to –4. He begins by showing –4 on the number line, as shown below. Carlos a
kifflom [539]
The integer is 3 or less than 3.
5 0
3 years ago
Read 2 more answers
What is the slope of the line below? If necessary, enter your answer as a
alisha [4.7K]

Step-by-step explanation:

Use formula to find the slope/gradient

\frac{y2 - y1}{x2 - x1}

(-5, -1) = (x1, y1)

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So,

=  \frac{11 - ( - 1)}{5 - ( - 5)}  \\  =  \frac{12}{10 }  \\  =  \frac{6}{5}

8 0
3 years ago
Christa went shopping for back-to-school clothes. Before the tax was added on, her total was $176. If the sales tax is 6%, what
deff fn [24]

Answer:

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Step-by-step explanation:

Cross multiply and divide!

if the total cost is $176, multiply by the % of sales tax and divide by 100 (100%)

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6 0
3 years ago
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