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3 years ago

29. A DVD player has a list price of $120. The

Mathematics

1 answer:

castortr0y [4]3 years ago

7 0

Answer:

90$ I'm pretty sure

Step-by-step explanation:

25% of 120=30$, 120-30=90$

To find the answer, you must first convert the sales percentage to a decimal by moving the decimal left two places.

20%=0.20

Then, multiply the total cost by the decimal.

$15.98(0.20)=$3.19

This gives us the amount of the discount. To find the remaining cost, we subtract that number from the original cost to get the answer.

$15.98−$3.19=$12.79

An example of explaining percents I found to help explain it better then I probably could do

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Two researchers, Jaime and Mariya, are each constructing confidence intervals for the proportion of a population who is left-

soldi70 [24.7K]

Answer:

Jaime's. Interval not centered around the point estimate.

Step-by-step explanation:

When constructing a confidence interval based on a point estimate, the obtained point estimate must be the central value of the interval.

For Jaime's interval

Lower bound = 0.078

Upper Bound = 0.193

$Central = \frac{0.078+0.193}{2} =0.1355$

For Mariya's interval

Lower bound = 0.051

Upper Bound = 0.189

$Central = \frac{0.051+0.189}{2} =0.12$

For a point estimate of 0.12, only Mariya's interval is adequate since Jaime's is not centered around the point estimate.

4 0

3 years ago

What is the 11th term of the sequence<br> 1, 2, 4, 8, 16, ...?

iris [78.8K]

Answer:

1024

Step-by-step explanation:

16x2=32

32x2=64

64x2=128

128x2=256

256x2=512

512x2=1024

x= previous term multiplied by 2

hopefully this helps :)

5 0

2 years ago

Of the 84 people who answered "yes" to a question, 14 were male. Of the 73 people that answered "no" to the question, 12 were ma

pantera1 [17]

Answer:

.611

Step-by-step explanation:

there were 84 people who answered yes plus an additional 12 men who said no. Add these up and you get 96. Divide that number by the number of people which is 157 and you get .611 rounded up.

4 0

3 years ago

Read 2 more answers

Find the equation of the line shown.

vladimir1956 [14]

Answer:

y = - x + 9

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (0, 9) and (x₂, y₂ ) = (9, 0) ← 2 points on the line

m = $\frac{0-9}{9-0}$ = $\frac{-9}{9}$ = - 1

the line crosses the y- axis at (0, 9 ) ⇒ c = 9

y = - x + 9 ← equation of line

4 0

2 years ago

Read 2 more answers

Q. What do "zeros" represent?<br> HELPP

Bas_tet [7]

Answer:

The one your mouse is on

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers