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VMariaS [17]
3 years ago
7

Jade buys a blouse and a skirt for 34 of their original price. Jade pays a total of $31.50 for the two items. If the original pr

ice of the blouse is $18, what is the original price of the skirt?
Mathematics
1 answer:
frutty [35]3 years ago
3 0

Answer:The original price of the skirt was $16

Step-by-step explanation:18+16=34

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A distributor of personal computers has five locations in a city. In the year's first quarter, the sales in units were: Location
Deffense [45]

Answer:

The correct option is (c) 13.277.

Step-by-step explanation:

The observed data is:

Location                      Observed sales (units)

Northside                                70

Pleasant Township                 75

Southwick                               70

I-90                                          50

Venice Avenue                       35

TOTAL                                   300

The test statistic for the Goodness of fit test is:

\chi^{2}=\sum\frac{(Observed-Expected)^{2}}{Expected}

For <em>k</em> independent samples this test statistic follows a Chi-square distribution with degrees of freedom (<em>k</em> - 1).

The sample size in this case is, <em>k</em> = 5.

The degrees of freedom is, (<em>k</em> - 1) = 4.

The level of significance is, <em>α</em> = 0.01.

The critical value of the test is:

\chi^{2}_{\alpha ,k-1}=\chi^{2}_{0.01,4}=13.277

**Use the Chi-square table.

Thus, the critical value is 13.277.

7 0
3 years ago
What is (-7/8)(-3/4) simplified
Snowcat [4.5K]

Answer:

<h2>21/32</h2>

Step-by-step explanation:

-7/8 × -3/4 = 21/32

-7 × -3   = 21  

-8 × -4   = 32

21/32

<u><em>IMPORTANT: This number is not negative, because a negative times a negative is a positive.</em></u>

By the way, if you didn't know how to arrive at the fraction here's how.

First, Address input parameters & values.

Input parameters & values: The decimal number = 0.65625. Then, write it as a fraction

0.65625/1

Multiply by 100000 both the numerator & denominator

(0.65625 x 100000)/(1 x 100000) = 65625/100000

65.625% = 65.625/100 or 65625/100000

Find LCM (Least Common Multiple) for 65625 & 100000.

3125 is the LCM for 65625 & 100000

Divide by 3125

65625/100000 = (65625 / 3125) / (100000 / 3125)

= 21/32

I'm always happy to help :)

7 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST PLEASE HELP
Serga [27]
It’s the second one, 65.4

V=1
6πd3=1
6·π·53≈ 65.44985in³
7 0
3 years ago
there are 12 boys and 10 girls in the gym class. If 6 more boys joined , how many more girls are needed to stay at the same rati
Travka [436]
Hope this helps good luck ☺

4 0
3 years ago
What are the coordinates of a point on the unit circle if the angle formed by the positive x-axis and the radius is 330°?
aleksandrvk [35]
This is what I could find.


Draw a 53° angle in standard position together with a unit circle<span>. Use the triangle below to </span>find<span> the x- any y-</span>coordinates<span> of the </span>point<span> of intersection of the terminal side and the </span>circle<span>. Compute and . Confirm that they are equal to and .</span>
5 0
3 years ago
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