2 years ago

What is the scale factor of Figure B to

Mathematics

1 answer:

Kamila [148]2 years ago

5 0

The scale fraction is 2

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What number should be added to both sides of the equation to complete the square? x^2 – 6x = 5

NeTakaya

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$(-3)^{2}$
9

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3 years ago

Point A is at 2 and Point B is at 4, what is the midpoint?

Pepsi [2]

3 because the middle of 2 and 4 is three so three is the midpoint

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3 years ago

Share 32 beads to the ratio of 6:10

olga55 [171]

Answer:

it's 6:10

12:20

Step-by-step explanation:

when u add 6+10 u get = 16

then divide 32 beads from 16.

then u get a value of a bead ...n it's 2.

think u can understand my answer....

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3 years ago

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If the given ordered pair equal then find value of x and y (3x+5)=(x+2) and (4y+7)= (y+3)

Yanka [14]

Answer:

3x+5 =x+2

3x-x=2-5

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2 years ago

The dataset Restaurant Tips contains data recorded from 157 restaurant bills at a bistro in New York over a two week period and

xz_007 [3.2K]

Answer: ($3.532, $4.166)

Step-by-step explanation:

Given : Significance level : $\alpha: 1-0.90=0.10$

Critical value : $z_{\alpha/2}=1.645$

Sample size : n= 157

Sample mean : $\overline{x}=\$\ 3.849$

Standard deviation : $\sigma= \$\ 2.421$

The confidence interval for population mean is given by :_

$\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

$\text{i.e. }\$\ 3.849\pm (1.64)\dfrac{2.421}{\sqrt{157}}\\\\\approx\$\ 3.849\pm0.317\\\\=(\$\ 3.849-0.317,\$\ 3.849+0.317)=(\$\ 3.532,\$\ 4.166)$

Hence, the 0% confidence interval for the average tip given at this restaurant = ($3.532, $4.166)

5 0

3 years ago