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Eddi Din [679]
3 years ago
7

Round each decimal to the nearest whole number. 3.8 using a number line

Mathematics
1 answer:
leva [86]3 years ago
5 0

Answer: The answer would be 4

Step-by-step explanation:

<------------------------------------------------>

   3                  3.5             3.8       4

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What is the slope of a line that is perpendicular to the line represented by the equation y=-2/5x+4/5
enot [183]

Answer:

\frac{5}{2}

Step-by-step explanation:

recall for a line whose equation is

y = mx + b,

the slope of this line is m

the slope of a line that is perpendicular to this line is -\frac{1}{m}

in this case,

m = -\frac{2}{5}

hence -\frac{1}{m}=\frac{5}{2}

6 0
2 years ago
Can someone please help first answer gets brainlist
OLga [1]

Answer:

3/5

Step-by-step explanation:

0.6 is actually 6/10 as a fraction. You divide bot the 6 and the 10 by 2 to get 3/5

3 0
2 years ago
What number needs to be added to make a mean of 80 with the numbers 71 80 and 86
pentagon [3]
80*4=320-(71+80+86)=83 So 83 needs to be added.
3 0
2 years ago
NO LINKS!! Similar figures are given. Use the given area to find the measure of XY.​
Jobisdone [24]

Remember for any two polygons

Area of polygons is directly proportional to square of sides

So

  • BC²/XY²=135/15
  • 15²/XY²=9
  • (15/3)²=XY²
  • XY=5in

#35

  • HJ²/XY²=168/378
  • 8²/XY²=0.44
  • XY²=64/0.44
  • XY²=145.45
  • XY\approx 12+
3 0
2 years ago
Read 2 more answers
What is the value of x in the equation 13 x minus 2 (8 + 5 x) = 12 minus 11 x?
AnnZ [28]

The value of n in given proportion is 16

<u><em>Solution:</em></u>

We have to find the value of "n" in the proportion

<em><u>Given proportion is:</u></em>

<em><u></u></em>\frac{n}{28} = \frac{4}{7}<em><u></u></em>

We can solve the above proportion by cross-multiplying

Multiply the numerator of the left-hand fraction by the denominator of the right-hand fraction

Multiply the numerator of the right-hand fraction by the denominator of the left-hand fraction

Set the two products equal to each other

Solve for the variable

->\frac{n}{28} = \frac{4}{7}

-> 7 *  n = 4 * 28

-> n = \frac{4 * 28}{7}

-> n = 4 * 4 = 16

Thus the value of n in given proportion is 16

6 0
3 years ago
Read 2 more answers
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