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3 years ago

What is the product (7x10^-5) (5x10^-8)

Mathematics

1 answer:

max2010maxim [7]3 years ago

3 0

Answer:

Well 7 x 10^-5 would mean you moved the decimal 5 Times because the power at the end of 10 is how many times the decimal is moved till it’s a number greater or equal to 1. So the scientific notation of that is: 0.00003

The -5 means that it was moved to the right. Positive always means left. Negative is always right.

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12)<br> Which graph represents the solution for the equation-x-1=-x+ 2?

antiseptic1488 [7]

Answer:

Find the graph that has (2,0)

Step-by-step explanation:

$\frac{1}{2}x -1=-x+2$

+ x +x

$\frac{3}{2}x - 1 = 2$

$2(\frac{3}{2}x - 1 = 2)$

3x - 2 = 4

+ 2 + 2

3x = 6

/3 /3

x = 2

Your image is blurry, but the point that has (2,0)

Hope that helps!

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3 years ago

The movie club is having a new member sale, so Mindy signs up. The equation -0.4x + 0.05y - 1.25 = 0 relates y, the total cost,

Wewaii [24]

Answer:

Y intercept : ( 0 , 25 )

Step-by-step explanation:

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3 years ago

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Anika [276]

Answer:

Step-by-step explanation:

Scale factor is just the amount every side is multiplied by.

7*5=35

6 0

3 years ago

Look at the graph.

Tcecarenko [31]

Answer:

Step-by-step explanation:

3 0

3 years ago

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If Mr. O'Brien cuts five lawns per day at $40 each, and he has a goal of making $3500, how many days will it take to reach that

Ede4ka [16]

Answer:

17 days and a half.

Step-by-step explanation:

First, we can find how much money he makes per day cutting lawns. This can be found with the equation:

40 x 5 = 200

He makes $200 a day cutting lawns.

Now we can divide his goal money ($3500) by his daily rate ($200) to get the number of days it will take to reach his goal.

3500 ÷ 200 = 17.5

It will take him 17.5 days to reach his goal.

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