MATHEMATICS HIGH SCHOOL

In the figure, PR = 15x – 11 and PQ = 3x + 6. Find QR in terms of x.

Answers

Answer 1

Answer:

Answer: 12x - 17

Step-by-step explanation:

To find QR subtract PQ from PR

15x-11 -(3x+6) ---> 15x - 11 - 3x -6 = 12x -17

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During a sale, a shop allows 20% discount off the marked price of clothing. What will a customer pay for a dress with a marked price of $30? * 1 point

Answers

Answer:

$24

Step-by-step explanation:

Let the full price of $30 be 100%.

If the discount allowed is 20%, then the percentage of the original price that a customer will pay is:

$P=100\%-20\%\nP=80\%$

80% of a marked price of $30 is:

$80\%*\$30\n\$24$

A customer will pay $24.

They will pay 24 dollars

What is 3/8 plus 5/16

Answers

3/8 + 5/16 = (3/8)*(2/2) + 5/16
= (3*2)/(8*2) + 5/16
= 6/16 + 5/16
= (6+5)/16
= 11/16

Which is more, 2 1/2 pounds or 36 ounces?

Answers

2 1/2 pounds is more. Since there are 16 oz in a pound, you want to multiply 16 by 2.5, to equal 40 oz. 40>36

The double number line shows that Faye can sort 150150150 recyclable items in 333 minutes. Based on the ratio shown in the double number line, how many recyclable items can Faye sort in 444 minutes?

Answers

Answer:

200200200

Step-by-step explanation:

150150150: 333 = x : 444

x = 150150150 x 444 / 333 = 200200200

Answer:

200 just 200 and only put 200

Write the expression as a power with the base of 3 and find its value in the table of cubes 27·243

Answer:

27 · 243 = 3

=

Answers

Answer:

3^8 and 6,561

Step-by-step explanation:

1) Calculate, 3 to the power of what is 27?

Make a table of all of 3's powers until 10. i.e. 3^1 = 3, 3^2 = 9 ......

You will find that 3^3 = 27 and 3^5 is 243

3) Use the formula x^m * x^n = x^m+n and substitue our value.

It should look like this: 3^3 * 3^5 = 3^3+5 = 3^8

4) Make a table as described in step 2 and calculate all of 3's powers up to 10. Look at your table and you will find that 3^8 is equal to 6,561

5) The expression written as a power is

3^8 and

the value: 6,561

Enjoy :)

Porfavor alguien me dice cuanto es esto 3×?=20

Answers

Answer:

es imposible

Step-by-step explanation:

3x7=21

se va por uno

Answer:

6.66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666

Step-by-step explanation:

Que no se te olvide el punto

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