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Ksenya-84 [330]
3 years ago
8

a metal rod 9.4 meters long is cut into two piecew. One piece is 3 times as long as the other m. find the length of the longer p

iece in meters. round your answer to the nearest tenth of a meter.
Mathematics
1 answer:
Grace [21]3 years ago
8 0
x-shorter\ piece\\3x-longer\ piece\\\\x+3x=9.4\\4x=9.4\ \ \ \ \ |:4\\x=2.35\\\\3\cdot2.35=7.05\approx7.1\\\\The\ longer\ piece\ has\ 7.1\ meters
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leonid [27]
The domain of it is d: [1,+infinity) and the range is r: (-infinity,0].
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2 years ago
Question 1) When multiplying powers with the same base, keep the base and _______________ the exponents.
nika2105 [10]

The rules are

x^a\cdot x^b = x^{a+b}

\dfrac{x^a}{x^b} = x^{a-b}

Let me show you why with a couple of examples: suppose we want to multiply

4^3\cdot 4^2

Since powers are just repeated multiplications, we have

4^3\cdot 4^2 = \underbrace{4\cdot 4\cdot 4}_{4^3}\cdot\underbrace{4\cdot 4}_{4^2}=4^5 = 4^{3+2}

Similarly, we have

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8 0
3 years ago
Please answer and explain
Ludmilka [50]

Answer:

C

Step-by-step explanation:

They are trying to deceive you into not choosing the star that is largest when written as 10^17.

When you rewrite the givens so that the power is 10^17 then the table will look like this.

1.76 * 10^17

2.213 * 10^17

3.142 * 10^17

1.255 * 10^14

It obviously isn't D.

It should be C

7 0
4 years ago
The y intercept of the line 5y + 2x -3=0
Alecsey [184]

5y+2x-3=0

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Sope intercept of the line is y=-2/5 x+ 3/5.

The intercept is 3/5.

Check: x=0 when y=3/5

5y+2x-3=0

5(3/5)+2x-3

3+2x-3=0

2x=0

x=0

Correct

The answer is 3/5.

5 0
3 years ago
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dmitriy555 [2]

Answer:

3 cups

Step-by-step explanation:

2/12 = 1/6

1/6 * 3 = 3/18

3 out of 18 cups, so 3 cups.

5 0
3 years ago
Read 2 more answers
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