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1 year ago

15

Find the MEAN, MODE, MEDIAN, and RANGE for the following Data: 6, 8,4, 1,4,7

1 answer:

ale4655 [162]1 year ago

3 0

Answer:

Mean:5

Mode: 4

Range: 7

Median: 5

Step-by-step explanation:

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a normally distributed data set has a mean of 35 and a standard deviation of 2.5 what z-score corresponds to a data value of 32

Oksanka [162]

$z=\dfrac{32-35}{2.5}=-1.2$

7 0

2 years ago

If 5 + 20 times 2 Superscript 2 minus 3 x Baseline = 10 times 2 Superscript negative 2 x Baseline + 5, what is the value of x? –

sp2606 [1]

Answer:

<h3>Option D) 3 is correct</h3><h3>Therefore the value of x is 3</h3>

Step-by-step explanation:

Given equation is $5+20\times (2)^{2-3x}=10\times (2)^{-2x}+5$

<h3>To find the value of x :</h3>

First solving the given equation we have,

$5+20\times (2)^{2-3x}=10\times (2)^{-2x}+5$

$5+20\times (2)^{2-3x}-5=10\times (2)^{-2x}+5-5$

$20\times (2)^{2-3x}=10\times (2)^{-2x}$

$20\times (2)^2.(2)^{-3x}=10\times (2)^{-2x}$

$20\times 4.(2)^{-3x}=10\times (2)^{-2x}$

$80(2)^{-3x}=10\times (2)^{-2x}$

$\frac{80}{10}(2)^{-3x}=\frac{10\times (2)^{-2x}}{10}$

$8(2)^{-3x}=(2)^{-2x}$

$\frac{(2)^{-3x}}{(2)^{-2x}}=\frac{1}{8}$

$(2)^{-3x}.(2)^{2x}=\frac{1}{2^3}$ ( by using the property $\frac{1}{a^{-m}}=a^m$ )

$2^{-3x+2x}=\frac{1}{2^3}$ ( by using the property $a^m.a^n=a^{m+n}$ )

$2^{-x}=\frac{1}{2^3}$

$\frac{1}{2^x}=\frac{1}{2^3}$ ( by using the property $a^{-m}=\frac{1}{a^m}$ )

Since bases are same so powers are same

Therefore we can equate the powers we get x=3

<h3>Therefore the value of x is 3</h3><h3>Option D) 3 is correct</h3>

5 0

2 years ago

Read 2 more answers

△ABC ~ △DEF What is the scale factor between them?

VMariaS [17]

2/3

6x = 4
x = 2/3

The scale factor can be determined by using similar sides

3 0

2 years ago

What’s 3х + 7>4х +2

Kipish [7]

Answer:

$x < 5$

Step-by-step explanation:

$3x + 7 > 4x + 2 \\ 7 - 2 > 4x - 3x \\ 5 > x$

$x < 5$

6 0

2 years ago

144 flowers in a vase the ratio of yellow to pink flowers is 5 to 6 how many yellow flowers are in the vase

azamat

$\frac{5}{11} \times 144 \: is \: the \: amount \: of \: yellow \: flowers \\ \\ \frac{5}{11} \times 144 = 65.45 = 65$
therfore there is 65 yellow flowers

4 0

2 years ago