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satela [25.4K]
4 years ago
12

What is 8.05x10^-5 in standard notation

Mathematics
1 answer:
Marina CMI [18]4 years ago
6 0

Answer: 0.0000805

Step-by-step explanation:

You move the decimal 5 places to the left of 8.05.

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I’m not understanding what to do here
AVprozaik [17]

Answer:

27/50 is the answer.

Step-by-step explanation:

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3 years ago
What is the y-coordinate for the solution to the system of equations?<br><br> {y=1/2x−4<br> {y=−2x+1
katovenus [111]

Answer:

y = -3

Step-by-step explanation:

{y = x/2 - 4

y = 1 - 2 x

Substitute y = x/2 - 4 into the second equation:

{y = x/2 - 4

x/2 - 4 = 1 - 2 x

In the second equation, look to solve for x:

{y = x/2 - 4

x/2 - 4 = 1 - 2 x

Add 2 x + 4 to both sides:

{y = x/2 - 4

(5 x)/2 = 5

Multiply both sides by 2/5:

{y = x/2 - 4

x = 2

Substitute x = 2 into the first equation:

{y = -3

x = 2

Collect results in alphabetical order:

Answer:

{x = 2

y = -3

6 0
3 years ago
The radius of a circle is 8. What’s its area in terms of pi
Lapatulllka [165]

Answer: The area is 201.06

7 0
3 years ago
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Solve the problem. When going more than 38 miles per hour, the gas mileage of a certain car fits the model where x is the speed
Lubov Fominskaja [6]

Answer:

73 mph

Step-by-step explanation:

The question seems to be incomplete because the model is missing, I found a similar question with the addition of the model, so if we can solve it (see attached image).

We have that the model would be:

y = 43.81 - 0.395 * x

We need to solve for x, if y = 15

Replacing:

15 = 43.81 - 0.395 * x

Solving for x we have:

0.395 * x = 43.81 - 15

0.395 * x = 28.81

x = 28.81 / 0.395

x = 72.9

We are asked to round to the nearest number therefore x = 73.

The car will average 15 miles per gallon at the speed of 73 miles per hour.

8 0
3 years ago
Plz help brain fam!!!
DochEvi [55]
Since they are alternate interior angles, x+25=85.
x+25=85
x=60
x is 60 degrees.
5 0
3 years ago
Read 2 more answers
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