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alexandr1967 [171]
2 years ago
12

18 + 7.25v = 10 What’s the answer? And how?

Mathematics
1 answer:
zlopas [31]2 years ago
4 0

Answer:

v = −1.10344827

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R=x^2/y <br> x=3.8 times 10^5 <br> y=5.9 times 10^4 <br> work out the value of r
Zinaida [17]

Answer:

  2.4×10^6

Step-by-step explanation:

Put the numbers where the variables are and do the arithmetic. You can enter the numbers in scientific notation into your (scientific) calculator and have it show you the result in the same format.

  r = (3.8×10^5)^2/(5.9×10^4) . . . . . denominator parentheses are required

Please note that in the above expression, parentheses are required around the denominator number. This is because it is a product of two numbers. In your pocket calculator or spreadsheet, you can enter that value as a single number (not a product). Parentheses are not required when you can do that.

  r = (3.8²/5.9)×10^(5·2-4) ≈ 2.4×10^6

___

The "exact" value is a repeating decimal with a long repeat. We have rounded to 2 significant digits here because the input numbers have that number of significant digits.

7 0
3 years ago
4/9+4(x-1)=28/9-(x-7x)+1
kobusy [5.1K]
X= -23/6 or x= -3.83
6 0
3 years ago
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boyakko [2]
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Jonah should shade 6 parts of 10
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3 years ago
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Describe the image when a scalene triangle is rotated 180 degrees counterclockwise
Luba_88 [7]

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It is a same size scalene triangle as the original triangle.

Step-by-step explanation:

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6 0
2 years ago
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Line b passes through points (5, 5) and (10, 8). Line c passes through points (4, 8) and (1, 13). Are line b and line c parallel
lora16 [44]

Answer:

Step-by-step explanation:

In going from (5, 5) to (10, 8), x (the run) increases by 5 and y (the rise) increases by 3.  Thus, the slope of the line connecting the first two points is m = 3/5.

In going from (1, 13) to (4, 8), x (the run) increases by 3 and y (the rise) decreases by 5.  Thus, the slope of the line connecting the first two points is m = -5/3

Because these results are negative reciprocals of one another, the two lines are PERPENDICULAR to one another.

3 0
3 years ago
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