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3 years ago

Change 93/1,000 to decimel

2 answers:

8 0

Solutions

To convert to decimal you have to divide the fraction.
You divide the numerator by the denominator. 

93 ÷ 1000 = 0.093

as a decimal it is 0.093

Sloan [31]3 years ago

7 0

Hey there!

In order to convert a fraction into a decimal, simply divide the numerator by the denominator. The numerator is the top part of the fraction while the denominator is the bottom part of the fraction.

So, 93 ÷ 1000 = 0.093

Thus, the decimal form of $\frac{93}{1000}$ is 0.093.

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In the file below. (Sorry, question has pictures can't write it out.)

UNO [17]

As what I can observe, the pathway can be formed with 2 right triangles. Thus, I'll get the area of the 2 right triangles and multiply its area by the paving cost per square meter.

Area of Right Triangle: ab / 2
a = 6 2/3 m ⇒ 20/3 m; b = 3m

Area of 1 triangle= (20/3 m * 3 m) ÷ 2 = 20 ÷ 2 = 10 m²

Area of 2 triangles = 10m² * 2 = 20 m²

Total cost = $40 * 20m² = $800

5 0

3 years ago

Can anyone help me with these two plz

Evgen [1.6K]

Answer:

Part 1) The scale factor is $1.5$

Part 2) The altitude QS is $4\ units$

Part 3) The scale factor is $\frac{2}{3}$

Part 4) The value of x is $12\ units$

Part 5) The perimeter of ABCDE is $46\ units$

Step-by-step explanation:

Part 1) Find the scale factor of triangle TQR to triangle NQP

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

Let

z-----> the scale factor

$z=\frac{NP}{RT}$

substitute the values

$z=\frac{24}{16}=1.5$

Part 2) Find the length of the altitude QS

we know that

To find the altitude QS, divide the altitude of triangle NQP by the scale factor

$QS=\frac{6}{1.5}=4\ units$

Part 3) Find the scale factor of FGHJK to ABCDE

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

Let

z-----> the scale factor

$z=\frac{AB}{FG}$

substitute the values

$z=\frac{10}{15}=\frac{2}{3}$

Part 4) Find the value of x

we know that

The value of x is equal to multiply the length side FK by the scale factor

$AE=FK(z)$

substitute the values

$AE=18(2/3)=12\ units$

Part 5) Find the perimeter of ABCDE

we know that

If two figures are similar, then the ratio of its perimeters is equal to the scale factor

Let

z-----> the scale factor

x-----> the perimeter of ABCDE

y-----> the perimeter of FGHJK

$z=\frac{x}{y}$

we have

$z=\frac{2}{3}$

$y=15+9+12+15+18=69\ units$

substitute the values

$z=\frac{x}{y}$

$x=(z)(y)=\frac{2}{3}(69)=46\ units$

6 0

4 years ago

Computers from a certain manufacturer have a mean lifetime of 62 months, with a standard deviation of 12 months. The distributio

Goryan [66]

Answer:

Between 38 and 86 months.

Step-by-step explanation:

Chebyshev Theorem

The Chebyshev Theorem can also be applied to non-normal distribution. It states that:

At least 75% of the measures are within 2 standard deviations of the mean.

At least 89% of the measures are within 3 standard deviations of the mean.

An in general terms, the percentage of measures within k standard deviations of the mean is given by $100(1 - \frac{1}{k^{2}})$ .

In this question:

Mean of 62, standard deviation of 12.

Between what two lifetimes does Chebyshev's Theorem guarantee that we will find at least approximately 75% of the computers?

Within 2 standard deviations of the mean, so:

62 - 2*12 = 38

62 + 2*12 = 86

Between 38 and 86 months.

6 0

3 years ago

The four corners of a square chessboard touch the edge of a round table. The length of the chessboard is 1 foot. Find the length

Juliette [100K]

Answer:

$\frac{\sqrt{2} }{2}\,\,foot$

Step-by-step explanation:

Given: Four corners of a square chessboard touch the edge of a round table. The length of the chessboard is 1 foot.

To find: length of the radius of the table

Solution:

Diameter of the round table is equal to the diagonal of a square chessboard.

Diagonal of a square chessboard = $\sqrt{2}$ × side of the square chessboard

Here, side of a square chessboard = 1 foot

So,

Diagonal of a square chessboard = $\sqrt{2}$ × 1 = $\sqrt{2}$ foot

Diameter of the round table = Diagonal of a square chessboard = $\sqrt{2}$ foot

Radius of the round table = Diameter of the round table/2

= $\frac{\sqrt{2} }{2}\,\,foot$

6 0

3 years ago

Find the product: 3/7 x 7/12

Morgarella [4.7K]

Answer:

1/4

Step-by-step explanation:

3 0

3 years ago