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3 years ago

Think About the Process Use the algebra tiles to help you solve the equation 4x - 12 = 20. What is

Mathematics

1 answer:

hodyreva [135]3 years ago

3 0

Answer:

Step-by-step explanation:

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A 21-inch piece of steel is cut into three pieces so that the second piece is twice as long as the first piece, and the third pi

Pavel [41]

****hope this helps****

7 0

3 years ago

PLEASE HELP 2 QUESTIONS 45 POINTS!!!!!!!!!

Effectus [21]

Answer:

1. -8x² - 16x - 6 a = -8, b = -16, c = -6

1. 4x² - 1 a = 4, b = 0, c = -1

Step-by-step explanation:

use the 'foil' method:

(4x + 2)(-2x - 3)

F: -8x² O: -12x I: -4x L: -6

-8x² - 16x - 6

(2x + 1)(2x - 1)

F: 4x² O: -2x I: 2x L: -1

4x² - 1

5 0

2 years ago

PLEASE HELP ASAPPP!!!!

Mashutka [201]

Answer:

$\sqrt{(\frac{9c^{16} }{d^{4} })^{3} }=\frac{9c^{16} }{d^{4} } \sqrt{\frac{9c^{16}}{d^{4}} } \\\\= \frac{9c^{16} }{d^{4} }.\frac{3c^{8} }{d^{2} }=\frac{27c^{24} }{d^{6} }$

=> Amelia's answer is incorrect

Step-by-step explanation:

8 0

3 years ago

Need help on problem 10

Shkiper50 [21]

The Perimeter of Triangle ABC would be 60.
You can solve this by setting up proportions.

3 0

3 years ago

Here are the monthly charges for Jo's mobile phone

yaroslaw [1]

Answer:

The correct answer is - 625.36.

Step-by-step explanation:

Given:

Fixed mothly plan - 616

free minutes - 150

Used minutes - 170

Free text - 150

Used text - 182

Charging amount over free limit - 18p

Solution:

Number of minutes over the limit - 170 - 150 = 20

Number of text over the limit - 182 - 150 = 32

So the extra amount that will be add to the monthly charge would be -

(20*0.18) +(32*0.18)

and the total charge of the month would be -

= 616+(20*0.18) +(32*0.18)

= 616+3.60+5.76

= 625.36

Thus, the correct answer would be - 625.36

5 0

3 years ago