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NISA [10]
3 years ago
13

A school administrator bought 6 desk sets. Each set consists of one table and one chair. He paid $48.50 for each chair. If he pa

id a total of $663 for the 6 sets, the cost of each table is
$
A;54.50
b;62.00
c;110.50
d;159.00
Mathematics
2 answers:
baherus [9]3 years ago
8 0
Total / amount of sets = price per set
Price per set - price for chair = cost of table

In numbers,
663/6 = 110.5
110.5-48.5 = 62

B is what I got
Pachacha [2.7K]3 years ago
8 0

Answer:

The answer is b

Step-by-step explanation: I did it on my calculator and don't know how to put it on here sorry but its b

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PLEASE ANSWER QUICKLY, WITH THE ACTUAL ANSWER!
GalinKa [24]

Answer:

b

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
A publisher reports that 45% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is
nexus9112 [7]

Answer:

z=\frac{0.40 -0.45}{\sqrt{\frac{0.45(1-0.45)}{370}}}=-1.933  

p_v =2*P(z  

Step-by-step explanation:

Information given

n=370 represent the sample selected

\hat p=0.4 estimated proportion of  readers owned a laptop

p_o=0.45 is the value that we want to test

z would represent the statistic

p_v represent the p value

Creating the hypothesis

We need to conduct a hypothesis in order to test if the true proportion of readers owned a laptop is different from 0.45, the system of hypothesis are:  

Null hypothesis:p=0.45  

Alternative hypothesis:p \neq 0.45  

The statistic is:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing we got:

z=\frac{0.40 -0.45}{\sqrt{\frac{0.45(1-0.45)}{370}}}=-1.933  

Calculating the p value  

We have a bilateral test so then the p value would be:

p_v =2*P(z  

8 0
2 years ago
A washer and a dryer cost $945 combined. The washer costs $95 more than the dryer. What is the cost of the dryer?
erastovalidia [21]
The dryer is 425 dollars
8 0
2 years ago
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Find an expression which represents the sum of (6x + 1) and (-8x – 2) in<br> simplest terms.
bearhunter [10]

Answer:

-(2x+1) ,6x-8x=-2x,+1-2=1

7 0
3 years ago
o make a profit, a company’s revenue must be greater than its operating costs. The company’s revenue is modeled by the expressio
jonny [76]

<u>Answer:</u>

106 items

<u>Step-by-step explanation:</u>

We know that:

revenues > costs

7.5x – 100 > 79.86 + 5.8x

7.5x - 5.8x > 79.86 + 100  

1.7x > 179.86  

x > 179.86 / 1.7  

x > 105.8

This means that the company will need to sell at least 106 items (the smallest integer greater than 105.8) to make a profit.

The inequality which will determine the number of least items that need to be sold to make a profit is x ≥ 106


3 0
3 years ago
Read 2 more answers
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