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Sedaia [141]
3 years ago
15

Write the number 7.8 x 10^3 in standard form.

Mathematics
1 answer:
Vikentia [17]3 years ago
7 0
Answer = 7,800

Since 10 is raised to the third power, there are 3 digits after the decimal, which would be 8 and two zeroes since no other digits are given, so 7,800.
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show whether each equation has one solution, infinitely, many solutions or no solutions: 2x+7=-8x-9+10x​
alexira [117]

Answer:

  1. The statement is <em>false</em>
  2. There is<em> no solution</em>

Step-by-step explanation:

Step 1: <em>Collect the like terms</em>

2x+7 = -8x-9+10x

2x+7 = 2x-9

Step 2: <em>Cancel</em><em> </em><em>equal</em><em> </em><em>terms</em><em> </em><em>of</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>equation</em>

2x+7 = 2x-9

7 = -9

Result: The statement is <em>false</em> and there is <em>no solution</em> as 7 is <em>not equal</em> to -9.

I hope this helped ! ;)

3 0
3 years ago
OMG IM GONNA CRY I NEED HELP SO BADLY :(
andriy [413]
The answer should be either 2.5 x 10^4 or 2.1 x 10^4.
But I feel 2.5 x 10^4 is a better estimate.
Hope it helped :))
3 0
4 years ago
Read 2 more answers
What is the slope of the line
Harman [31]

Answer:

The slope of the line is <u>-1</u>

Step-by-step explanation:

Take two coordinates and use the slope formula to find the slope of the line.

(-2,0) and (0,-2)

y2-y1 divided by x2-x1

-2-0=-2

0--2=2

-2/2 = -1

Slope=-1

5 0
2 years ago
NEED HELP NEED HELP FOR 11 POINTS
nignag [31]

Answer:

162°

Step-by-step explanation:

To convert from radian to degree measure

degree measure = radian measure × \frac{180}{\pi } , then

degree = \frac{9\pi }{10} × \frac{180}{\pi } ( cancel π and 10/ 180 to simplify )

            = 9 × 18

           = 162°

4 0
3 years ago
Read 2 more answers
What is the value of x? Show all of your work. Round your answer answer to the nearest tenth.
AlexFokin [52]
The answer is 13.1
Since it is a right triangle, it has to be 90 degrees. If you add 35.7 and 41.2, you get 76.9. So, 90-76.9=13.1
5 0
3 years ago
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