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Nonamiya [84]
2 years ago
8

1. The original price of the table was $250. Jane bought it on sale for $200.

Mathematics
2 answers:
Shkiper50 [21]2 years ago
7 0
She saved 50$ but saved 20%
Anon25 [30]2 years ago
3 0

She saved 20%.

The price of the table was 250 and she bought it for 200, meaning 1/5 of the original price was marked off. 1/5 = 20% which means it was 20% off the original price.

You might be interested in
If $3000 is invested at 7% for six months how much simple and trust is earned
SOVA2 [1]
I = Prt
I = $3000*0.07*(6/12)
I = $105

$105.00 is earned on the investment.
3 0
3 years ago
You have to make 1000 buttons.the diameter of the button is 9cm but you have to find it’s area.its $15/m squared and you have to
Semmy [17]

Answer:

$95.38

Step-by-step explanation:

step 1

Find the area of one button

The area is equal to

A=\pi r^{2}

we have

r=9/2=4.5\ cm ---> the radius is half the diameter

Convert to meters

r=4.5\ cm=4.5/100=0.045\ m

assume

\pi =3.14

substitute

A=(3.14)(0.045)^{2}\\A=0.0063585\ m^2

step 2

Find the area of 1,00 buttons

Multiply by 1,000

A=0.0063585(1,000)=6.3585\ m^2

step 3

Find the cost

Multiply $15 per square meter by the total area of 1,000 buttons

(15)6.3585=\$95.38

3 0
3 years ago
The diagonals of a parallelogram are perpendicular to each other. The perimeter of the parallelogram is 48 feet. Find the length
iVinArrow [24]
We know that a parallelogram has two pairs of congruent sides.  If we know that the diagonals are perpendicular and the perimeter is 48 feet, we can solve is using the area of parraleogram formula: with that we get the answer of 5, and 9
3 0
3 years ago
A company that produces computers recently tested the battery in its latest laptop in six separate trials. The battery lasted 8.
Anna35 [415]

confidence interval for the mean battery life in the new model is [7.9489, 8.3045].

What is confidence interval ?

A confidence interval, in statistics, refers to the chance that a population parameter can fall between a collection of values for an exact proportion of times.

Main body:

Formula for confidence interval is =

CI = x- bar ± z*s/√n            where,

CI = confidence interval

x- bar = sample mean

z = confidence level value

{s} = sample standard deviation

{n} = sample size  

given ;

n = 6

mean = (8.23+7.89+8.14+8.25+8.30+ 7.95)/6

         =  8.127

value of z for 95% C.I. = 1.96

C.I. = 8.127 ± 1.96 * 0.22/√6

C.I. = 8.127 ± 0.1781

C.I. =[7.9490, 8.3044]

Hence correct option is A.

To know more about confidence interval , visit:;

brainly.com/question/15712887

#SPJ4

         

8 0
1 year ago
If i have a 83.5 as my grade and let's just say i would get a 70/100 what would be my grade?
daser333 [38]

Answer:

76.75

Step-by-step explanation:

83.5 + 70=  153.5

153.5 / 2 = 76.75

Your grade would be 76.75.

HOPE THIS HELPED

6 0
3 years ago
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