MATHEMATICS HIGH SCHOOL

Someone please helpppppp

Answers

Answer 1

Answer:

Answer:

I think the answer is 2.

Step-by-step explanation:

99-77= 22

22/11= 2

y= 2

Answer 2

Answer: My opinion is answer 2

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Aisha owns an apparel store. She bought some shirts and jeans from a wholesaler for $3,900. Each shirt cost $12 and each pair of jeans cost $28. If she sold the shirts at 70% profit and jeans at 125% profit, her total profit was $3,885. How many shirts and jeans did she buy from the wholesalers?
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Given f(x) = –3x – 7, what is f(–4)?A.
40

B.
5

C.
–1

D.
–14

Answers

Hello,

answer B

f(-4)=-3*(-4)-7=12-7=5

Which expression is equivalent to 9^-2?
–81
–18
1/81
1/18

Answers

Answer:

Step-by-step explanation:

The given expression is:

$f(x)=9^-2$

Upon solving the above expression, which can be written as:

$f(x)=({(1)/(9)})^2$

$f(x)={(1)/(81)}$

which is same as the expression given in the option (C) that is $f(x)={(1)/(81)}$ , hence the option C is correct.

(9)^-2 = (1/9)^2 = 1/81

A recent survey of 8,000 high school students found that the mean price of a prom dress was $195.00 with a standard deviation of $12.00. Alyssa thinks that her school is more fashion conscious and spent more than $195.00. She collected data from 20 people in her high school and found that the average price spent on a prom dress was $208.00. Which of the following is the correct z-statistic for this situation?

Answers

The z-statistic can be calculated as the difference in the population mean and sample mean divided by the standard error. The standard error can be calculated as the standard deviation divided by square root of sample size. The standard error: SE = 12/ sqrt(20) = 2.68 The z-statistic: (195 -208) 2.68 = -4.86

Answer:

4.84

Step-by-step explanation:

got it right on edge2020

What does a circle graph show that a bar graph does not?

Answers

It shows ratios of one thing in comparison to another. In this picture it shows favorite pizza toppings. You can easily see ore people like sausage versus any other topping. :)

Melissa bought a cake that cost $75. The sales-tax rate is 10 percent. What is the total amount she paid for the cake?

Answers

Answer:

the total amount she paid for the cake, $82.5

Step-by-step explanation:

As per the statement:

Melissa bought a cake that cost $75.

⇒Cost of cake = $75

It is also given that:

The sales-tax rate is 10 percent.

then

Sale tax she gave on cake = $(10)/(100) * 75 = \$7.5$

We have to find the total amount she paid for the cake.

$\text{Total amount she paid for the cake} = \text{Cost of the cake}+\text{Sale tax}$

Substitute the given values we have;

$\text{Total amount she paid for the cake} = 75+7.5 = \$ 82.5$

therefore, the total amount she paid for the cake, $82.5

Statements:

1# Melissa bought a cake of cost $75.
2# The tax that has to be paid for the product is 10% of the cost of the product, itself.

=================================

Total amount of money = $$75 +( (10)/(100)*75 )$

= $75 + $7.5
= $82.5

A mutual fund’s net asset value increases by $5 per share. An investor who owns 450 shares of this fund sells them all for a profit of $2,205. What can you conclude about the fund?

Answers

The total amount of profit that he was able to gain out of his 450 shares is 2,205. In the problem, it states that for ever share he earns $5 dollars each.in order to derive the total amount of profit he got from his shares, we multiply 450 shares and $5.
so, 450*5 is equals to $2,205.

Answer:

Its B

Step-by-step explanation:

The fund had a $0.10 per share commission when purchased. ED

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