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Reil [10]
3 years ago
6

Jenna has 8 pairs of jeans. Three of them are blue.Jenna bought two more pairs of jeans. If both of them are blue, what percenta

ge of her jeans is blue now? If both of them are not blue, what percentage of her jeans is blue now?
Mathematics
1 answer:
vovikov84 [41]3 years ago
7 0

Answer:62.5%

Step-by-step explanation:You do 5/8 and then divide it and you will get a decimal and move the number 0.625 back to the tens which will get you 6.25%

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Y = -2x - 1; (2,-1)<br> Slope intercept form
zlopas [31]

Answer:

x=<u>1</u>

2

hope it helps

Step-by-step explanation:

–1

x=0.5,x=2

8 0
3 years ago
The point (5, -2) is rotated 90° about the origin. Its image is
sasho [114]
I'm pretty sure the answer is (-2,-5)
(x,y) -> (y,-x)
8 0
3 years ago
Read 2 more answers
A pair of shoes cost $52 and a dress was $70 at Belk. Abigail has a coupon for 25% off at the register. The sales tax for Cobb C
miskamm [114]

Answer:

$98.82

Step-by-step explanation:

Given data

A pair of shoes cost $52 and a dress was $70 at Belk

Total expenses

= 52+70

= $122

coupon = 25%

=25/100* 122

=0.25*122

= $30.5

Tax= 6%

= 6/100*122

= 0.06*122

= $7.32

Hence the total is

= 122-30.5+7.32

= 91.5+7.32

= $98.82

5 0
3 years ago
Which graph represents the function f (x) = StartFraction 1 Over x EndFraction minus 1?
Arturiano [62]

Answer:

The last answer, D

Step-by-step explanation:

i got it right on ed

6 0
4 years ago
An automobile manufacturer claims that its car has a 42.8 miles/gallon (MPG) rating. An independent testing firm has been contra
yanalaym [24]

Answer: -1.51

Step-by-step explanation:

Let \mu be the population mean rating of car.

As per given , we have

H_0: \mu=42.8

H_a: \mu\neq42.8

Since population variance is known, so we use z-test.

Test statistic : z=\dfrac{\overline{x}-\mu}{\sqrt{\dfrac{\sigma^2}{n}}}

, where n= sample size

\overline{x} = Sample mean

\sigma^2= variance

As per given ,

n=300

\overline{x}=42.6

\sigma^2=5.29

\mu=42.8

Put these values in formula we get

z=\dfrac{42.6-42.8}{\sqrt{\dfrac{5.29}{300}}}

z=\dfrac{-0.2}{\sqrt{0.0176333}}

z=\dfrac{-0.2}{0.13279}=-1.50613751035\approx1.51

Hence, the value of the test statistic is z= -1.51 .

3 0
4 years ago
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