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Lapatulllka [165]
3 years ago
15

Please answer all 3 parts it would help me a lot! (I WILL MARK BRAINLIEST I REALLY NEED THIS ANSWER PLEASE!)

Mathematics
1 answer:
kap26 [50]3 years ago
5 0

Answer:

I’m not sure on b and c but did a for u

Step-by-step explanation:

A) the more the workers are working the more the products are made. This is because if 10 workers make 52 products and 90 people make 452 then 100 people can make 502 products.

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In January 2015, the Pew Research Center reported results from one of their surveys. "Asked about whether vaccines for childhood
scZoUnD [109]

Considering the margin of error, it is found that the 95% confidence interval for the percentage of adults who say vaccines should be required is (64.9%, 71.1%).

<h3>What is a confidence interval?</h3>

It is given by the sample statistic plus/minus the margin of error.

In this problem, 68% of adults say such vaccines should be required, with a margin of error of 3.1%, hence:

68% - 3.1% = 64.9%.

68% + 3.1% = 71.1%.

The 95% confidence interval for the percentage of adults who say vaccines should be required is (64.9%, 71.1%).

More can be learned about confidence intervals at brainly.com/question/25890103

3 0
2 years ago
Simplify (2x-3)(2x-2)
tensa zangetsu [6.8K]

Answer:

We get the final answer of -4x + 6

Step-by-step explanation:

Let's simplify step-by-step.

2x −3(2x−2)

Distribute:

= 2x+ (−3)(2x) + (−3)(−2)

= 2x+ −6x + 6

Combine Like Terms:

= 2x + −6x + 6

= (2x + −6x) + (6)

= -4x + 6

6 0
2 years ago
An online furniture store sells chairs for $50 each and tables for $250 each. Every day, the store can ship no more than 36 piec
sattari [20]

Answer:

All possible values for the number of tables that the store must sell in order to meet the requirements are 9, 10, 11, 12, 13.

Step-by-step explanation:

Let x be the number of chairs sold and y be the number of tables sold.

Chairs are sold for $50 each, then x chairs cost $50x.

Tables are sold for $250 each, then y tables cost $250y.

In total, x chairs and y tables cost $(50x+250y).

Every day, the store can ship no more than 36 pieces, then

x+y\le 36

Every day, the store must sell at least $3,400 worth of chairs and tables, then

50x+250y\ge 3,400

If 23 chairs were sold, then x = 23. Substitute it into the inequalities:

23+y\le 36\Rightarrow y\le 13\\ \\50\cdot 23+250y\ge 3,400\Rightarrow 250y \ge 2,250,\ \ \ y\ge 9

Thus 9\le y\le 13

This means all possible values for the number of tables that the store must sell in order to meet the requirements are 9, 10, 11, 12, 13.

8 0
3 years ago
Mike is 4 years older than his sister Olivia. together they are 20 years old. How old is Olivia?
MrRissso [65]

Answer:

Olivia is 24 years old

step by step

because Olivia is 20 years old and Mike is 4 years older than her so Olivia is 24 years old

3 0
2 years ago
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At Shimla, temperature was -1℃ on Saturday and rose by 3℃ on Sunday. What was the temperature on Sunday?
OLga [1]

Answer:

labron james

Step-by-step explanation:labron james labron james labron james

5 0
3 years ago
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