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Paraphin [41]
3 years ago
15

Write the number in two other forms 8.517

Mathematics
1 answer:
8090 [49]3 years ago
7 0
8,517 8,000+500+10+7
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Greater five ones and nine thousandths
Kazeer [188]
? idont understsnd be more specific
6 0
3 years ago
20% of what number is 6.5?
scoundrel [369]

Answer:

1.3

Step-by-step explanation:

20/100 x 6 5/10 =

1 3/10

Hopes this helps

3 0
3 years ago
A man is standing at a radar base and observes an unidentified plane at an altitude 6000m flying towards the radar base at an an
liubo4ka [24]

Answer:

The speed in of the plane is 115.47 m/sec

Step-by-step explanation:

Given:

Height at which the plane is flying = 6000 m

Angle of elevation at the radar base = 30 Degrees

Angle of elevation at the radar base after one minute  = 60 Degrees

To Find:

The Speed of the plane in meter per second = ?

Solution:

Let us use the tangent of the angle to find the distance (d) to a point directly below plane:

<u>when the angle is 30 degrees</u>

tan(30) = \frac{6000}{d1}

d1   = \frac{6000}{tan(30)}

d1 = \frac{6000}{0.577}

d1 = 10392.3 meters

<u>when the angle is 60 degrees</u>

tan(60) = \frac{6000}{d2}

d2  = \frac{6000}{tan(60)}

d2  = \frac{6000}{1.732}\\

d2 = 3464.1 meters

<u>distance travelled by aircraft in 1 min is  </u>

=>d1 - d2

=>0392.3 - 3464.1

= 6928.2 m/min

<u>Now converting to m/sec</u>

=>\frac{6928.2}{60}

=>115.47 m/sec

4 0
3 years ago
Find the mean, median, and mode of the data set. Round to the nearest
prohojiy [21]

Answer:

The answer is: mean = 80.8, median = 82.5, mode = 67

Step-by-step explanation:

4 0
2 years ago
The table shows a linear relationship between x and y
irga5000 [103]

We have been given a table that shows a linear relationship between x and y. We are asked to find the rate of change change of y with respect to x.

To solve our given problem, we will find the slope of the line passing through the given points.

m=\frac{y_2-y_1}{x_2-x_1}

Let us find slope of line using points (-20,96) and (-2,15).

m=\frac{15-96}{-2-(-20)}

m=\frac{-81}{-2+20}

m=\frac{-81}{18}

m=-4.5

Therefore, the rate of change of y with respect to x is -4.5.

3 0
3 years ago
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