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3 years ago

Write 17.275102 correct to 3 decimal places

Mathematics

1 answer:

horrorfan [7]3 years ago

3 0

Step-by-step explanation:

17.275 3 decimal plalcesl

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2. The diagram shows a door that has a window in it. The front faces of the door and window are similar rectangles that have the

Shkiper50 [21]

H=150cm

Because these rectangles are similar then they can be dilated to get to the same size as the other.

First you want to find what the scale factor (dilation degree) from the big rectangle to the small. So to do this you want to but your SMALLER value on the top while the BIGGER value on the bottom of your fraction to find the scale factor. This would then look like 60/84. You could simplify this fraction to 5/7.

You can then use this fraction to multiply by the other side of the big rectangle so that you find h. 210*5/7=1050/7. When this is simplified you will get 1050/7=150

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3 years ago

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I need to fill in the blanks for these

Slav-nsk [51]

Answer:

the median for A is 26 and the mean for B is 24

Step-by-step explanation:

since 24 and 28 are both in the middle we need to find the mean of 24 and 28 to find A's median.

18+19+21+25+29+32=144

144 divided by the # of terms 6 gives our mean 24 for B.

7 0

3 years ago

Simplify the given expression, using only positive exponents. Then complete the statements that follow. [ (x2y3)−1 (x−2y2z)2 ] 2

Firlakuza [10]

Answer: y²z⁴ / x¹²

The exponent of x is 12

The exponent of y is 2

The exponent of z is 4

Explanation:

1) Given expression to simplify:

$((x^2y^3)^{-1}(x^{-2}y^2z)^2)^2$

2) Property: power of power:

$(x^{-4}y^{-6})(x^{-8}y^8z^4)$

3) Property: product of powers with the same base

$x^{(-2-8)}y^{(-6+8)}z^4$

4) Add the exponents

$x^{-12}y^2z^4$

5) Pass the negative power to the denominator:

$\frac{y^2z^4}{x^{12}}$

The exponent on x is 12. The exponent on y is 2. The exponent on z is 4.

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3 years ago

Read 2 more answers

How many sixty fourths would seven eights equal

charle [14.2K]

The answer to your question is that it will equal 56 of them.

7 0

3 years ago

A sample has a mean of M = 90 and a standard devia-tion of s 20.=a. Find the z-score for each of the following X values.X = 95X

sladkih [1.3K]

Answer:

$\begin{gathered} X=95,z=0.25 \\ X=80,z=-0.5 \\ X=98,z=0.4 \\ X=88,z=-0.1 \\ X=105,z=0.75 \\ X=76,z=-0.7 \end{gathered}$

Explanation:

Given a sample with the following:

• Mean,M = 90

• Standard deviation, s = 20

To find the z-score for each of the given X values, we use the formula below:

$\begin{equation*} z-score=\frac{X-\mu}{\sigma}\text{ where }\begin{cases}{X=Raw\;Score} \\ {\mu=mean} \\ {\sigma=Standard\;Deviation}\end{cases} \end{equation*}$

The z-scores are calculated below:

$\begin{gathered} \text{When X=95, }z=\frac{95-90}{20}=\frac{5}{20}=0.25 \\ \text{When X=80, }z=\frac{80-90}{20}=\frac{-10}{20}=-0.5 \\ \text{When X=98, }z=\frac{98-90}{20}=\frac{8}{20}=0.4 \end{gathered}$ $\begin{gathered} \text{When X=88,}z=\frac{88-90}{20}=\frac{-2}{20}=-0.1 \\ \text{When X=105, }z=\frac{105-90}{20}=\frac{15}{20}=0.75 \\ \text{When X=76, }z=\frac{76-90}{20}=\frac{-14}{20}=-0.7 \end{gathered}$

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1 year ago