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n200080 [17]
2 years ago
15

How much does Manuela earn for each hour of tutoring? Explain

Mathematics
2 answers:
ki77a [65]2 years ago
6 0

Answer:

$10 an hour.

Step-by-step explanation:

The x-axis is the hour and the y-axis is the money. When the line is above the 1 hour line, it is on the $10 line.

aksik [14]2 years ago
6 0

Answer:

Manuela earns $10 for each hour of tutoring.

Step-by-step explanation:

We can get our answer by looking at an ordered pair in the graph below.

(2,20)

The x-value 2 means 2 hours worked and the y-value 20 means $20 earned. We can find out how much she earned in 1 hour by dividing,

$20 / 2 hours = $10

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If x/2+ 7 = 4<br> , what is the value of 5x - 7?
horrorfan [7]

Answer:

-37

Step-by-step explanation:

for the first equation to equal 4 the x must equal -6.

because something plus 7 had to equal 4. and we know that -3 + 7 equals 4. Now, -6 ÷ 2 equals -3 and that gives us the right answer.

So now plug -6 into the new problem so now it is

5 × (-6) - 7 so according the PEMDAS, we do 5 × -6 first which is -30. and -30 - 7 equals -37!!

hope this helps :)

5 0
2 years ago
Is r2+8r+16=0 lenear equation or not​
djverab [1.8K]

Answer:

no it isn't linear equation

A linear equation is any equation that can be written in the form. ax+b=0. where a and b are real numbers and x is a variable. This form is sometimes called the standard form of a linear equation.

3 0
3 years ago
Jessica's heart beats 12 times in 1/6 minute how many times does her heart beat each minute ​
Charra [1.4K]

Answer:

72

Step-by-step explanation:

12 6 times equals 72.

12x6=72

4 0
3 years ago
A survey reported in Time magazine included the question ‘‘Do you favor a federal law requiring a 15 day waiting period to purch
galben [10]

Answer:

Step-by-step explanation:

Confidence interval for the difference in the two proportions is written as

Difference in sample proportions ± margin of error

Sample proportion, p= x/n

Where x = number of success

n = number of samples

For the men,

x = 318

n1 = 520

p1 = 318/520 = 0.61

For the women

x = 379

n2 = 460

p2 = 379/460 = 0.82

Margin of error = z√[p1(1 - p1)/n1 + p2(1 - p2)/n2]

To determine the z score, we subtract the confidence level from 100% to get α

α = 1 - 0.95 = 0.05

α/2 = 0.05/2 = 0.025

This is the area in each tail. Since we want the area in the middle, it becomes

1 - 0.025 = 0.975

The z score corresponding to the area on the z table is 1.96. Thus, confidence level of 95% is 1.96

Margin of error = 1.96 × √[0.61(1 - 0.61)/520 + 0.82(1 - 0.82)/460]

= 1.96 × √0.0004575 + 0.00032086957)

= 0.055

Confidence interval = 0.61 - 0.82 ± 0.055

= - 0.21 ± 0.055

3 0
3 years ago
A fountain is made up of two semicircles and a quarter circle. Find the perimeter of the fountain. Round to the nearest hundredt
brilliants [131]
So that mean 12x12=144quarter cm
8 0
3 years ago
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