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3 years ago

How many solutions does 6a- 3a - 6 = 2 + 3 have?

Mathematics

1 answer:

lana [24]3 years ago

4 0

Just one. the solution is 11/3

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Explain how to use a number line to show that opposites quantities combine to make 0

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Step-by-step explanation:

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3 years ago

Which are undefined terms that can be used to define other terms?

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2 years ago

3.8*10 to the 9th power divided by 4*10 to the 2nd power

user100 [1]

Answer:

$9.5\times 10^{6}$

Step-by-step explanation:

1. Divide the coefficients and the exponentials separately

$\dfrac{3.8 \times 10^{9}}{4 \times 10^{2}} = \dfrac{3.8}{4} \times \dfrac{10^{9}}{10^{2}}$

2. Divide the coefficients

$\dfrac{3.8}{4} = 0.95$

3. Divide the exponentials

Subtract the exponent in the denominator from the exponent in the numerator.

$\dfrac{10^{9}}{10^{2}} = 10^{(9 - 2)} = 10 ^{7}$

4. Re-join the new coefficient and the new exponential

$\dfrac{3.8 \times 10^{9}}{4 \times 10^{2}} = 0.95 \times 10^{7}$

5. Put the new number into standard form

The number before the power of 10 must be greater than or equal to one and less than 10.

Multiply the answer by 10/10.

$(0.95 \times 10^{7}) \times \dfrac{10}{10} = (0.95\times10) \times \dfrac{10^{7}}{10} = \mathbf{9.5\times 10^{6}}$

5 0

3 years ago

May runs10/4 miles everyday after school .Beth says that she runs farther then May everyday 5/2 miles after school is her correc

Shalnov [3]

They run an equally amount of time because 10/4 = 2 and 1/2 and 5/2 = 2 and 1/2

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3 years ago

Kayla ran from her home to a beach at a speed of 6 meters per second. the distance from her home and the beach was 756 meters. A

german

Looking at the units, 756 meters divided by 6 m/s will give you the seconds that you need.

So for A) 756/6 = 126

For B, you take the answer from A, and subtract 18 seconds, which would make it 108. Then you take the distance, 756 and divide by 108, that will be the speed.

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3 years ago