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Jet001 [13]
3 years ago
15

14+13y=20y-21 work for answer?

Mathematics
2 answers:
andre [41]3 years ago
8 0

Answer:

Y= 5

Step-by-step explanation:

14+13Y=20Y-21

    -13y  -13y

14=7y-21

+21      +21

35/7=7y/7

y=5

 

nordsb [41]3 years ago
8 0

Answer:

y = 5

Step-by-step explanation:

14 + 13y = 20y - 21

take 13y from both sides

14 = 7y - 21

add 21 to both sides

35 = 7y

divide both sides by 7

y = 5

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What is the factored form of
Lilit [14]

Answer:

C

Step-by-step explanation:

You can distribute the values or even plug in x=2 and see which one matches.

3 0
3 years ago
Suppose that rectangle ABCD is dilated to A'B'C'D' by a scale factor of 0.5 with a center of dilation at (4, 6). What is the dis
Rasek [7]

To solve this problem you must apply the proccedure shown below:

1. You must multiply the coordinates of BC by the scale factor given in the problem above. Therefore, you have that the coordinates of B'C'are:

B'(1,5)\\ C'(3,5)

2. The midpoint of B'C' has the folllowing coordinates:

m(\frac{x1+x2}{2} , \frac{y1+y2}{2} )\\ m(\frac{1+3}{2}, \frac{5+5}{2})\\ m(2,5)

3. The center of dilation is a fixed point, with coordinates (4,6). Therefore, the distance from the center of dilation to the midpoint of B'C' is:

distance=x2-x1\\distance=4 units-2units\\distance=2 units

The answer is the option C: 2 units

5 0
3 years ago
Read 2 more answers
Ill give brainliest to someone who answers first
Mars2501 [29]

It is 28 pounds. This is because all of the others have a ratio of 4:1 while 28 and 5.5 have a ratio of 56:13.


6 0
3 years ago
-3(b-7) pleaseeeeee help mee
kupik [55]

Answer:

-3b - 21

Step-by-step explanation:

You have distribute the -3 to both b and 7. So, you would have to multiply the -3 to both b and 7.

8 0
3 years ago
The figure below shows a shaded rectangular region inside a large rectangle:
pshichka [43]

Answer:

b. 58%

Step-by-step explanation:

Calculate the area of the entire rectangle using the formula A = lw.

The lowercase "L" is for length.

"w" is for width.

The lighter square is 10 units long by 5 inches wide.

A = lw

A = (10 in)(5 in)   Multiply

A = 50 in²

Calculate the area for the shaded rectangle, 7 inches by 3 inches.

A = lw

A = (7 in)(3 in)    Multiply

A = 21 in²

Calculate the area for the non-shaded region by subtracting the shaded area from the total area.

50 in² - 21 in² = 29 in²

The chance that a point in the large rectangle will NOT be in the shaded region is 29/50.

Convert this fraction to decimal form by using a calculator. Divide the top number by the bottom number.

29/50 = 0.58

0.58 is in decimal form. To convert it to a percentage, multiply the number by 100.

0.58 = 58%

Therefore the probability that a point chosen inside the large rectangle is not in the shaded region is 58%.

5 0
4 years ago
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