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tekilochka [14]
3 years ago
8

Which is the correct label of the parallel lines?

Mathematics
2 answers:
vlada-n [284]3 years ago
4 0
I believe the and is d
rosijanka [135]3 years ago
4 0
The correct answer is A
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Evaluate the expression 3x+2
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It's  3x+2 because 3 ÷2 is 6 so it's  3x+2

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The half life of a radioactive kind of cadmium is 14 years. How much will be left after 28 years, if you start with 72 grams of
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18 grams

Step-by-step explanation:

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3 years ago
√ 19 + 6^2 ÷ 7.2^2 I need help ASAP
kumpel [21]

Answer:

0.143059384

Step-by-step explanation:

=> \frac{\sqrt{19+6^2} }{7.2^2}

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5 0
3 years ago
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Jim had some dimes, quarters, and nickels. First, he counted only the dimes and quarters and found that he had 9 coins. Then, he
Olegator [25]

Answer:

$1.90

Step-by-step explanation:

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Then: d + q = 9, or q = 9 - d.

Also, n + d = 10

Lastly, n + d + q = 15.

Let's substitute 9 - d for q in the equation immediately above:

n + d + (9 - d) = 15, or n + 9 = 15.  Then n must be 6.

In summary, Jim has 6 nickels, (10 - 6) dimes and (9 - 4) quarters, or:

                                    6 nickels, 4 dimes and 5 quarters

Thus, he has 5($0.05) + 4($0.10) + 5($0.25), or

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7 0
3 years ago
Please help! if abcd is dilated by a factor of 3, the coordinate of b would be
Nikolay [14]

Answer:

(-6, 6)

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The coordinates of B to start with is

(-2, 2)

To dilate this by a factor of 3....

-2 * 3 = -6

2 * 3 = 6

The new coordinates of B' would be

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A few things to know:

- The number 3 is called a "<u>scale factor</u>"

- Dilation means we are multiplying all the (X, Y)'s by the scale factor

- If the scale factor is <u>greater than 1</u>, the size of the shape overall increases

- If the scale factor is <u>less than 1</u>, the size of the shape overall decreases

- If the scale factor is <u>negative</u>, the shape size stays the same. The shape just rotates 180 degrees and moves to the opposite quadrant.

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3 years ago
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