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Verizon [17]
4 years ago
15

John's friend told him that he could earn $49 for handing out flyers at a local concert. John wants to calculate the hourly rate

. If he works a total of 3.5hours, the equation 3.5x=49 can be used to determine his hourly rate.what would johns rate be,in dollars?
Mathematics
2 answers:
Westkost [7]4 years ago
7 0

Answer:  John's rate = $14

Step-by-step explanation:

Given: John's friend told him that he could earn $49 for handing out flyers at a local concert.

If he works a total of 3.5 hours, the equation 3.5x=49 can be used to determine his hourly rate x.

Divide 3.5 on both the sides of the equation, we get

x=\frac{49}{3.5}=14\\\\\Rightarrow x=14

Therefore, John's rate = $14

gladu [14]4 years ago
6 0
X= $14
In other words you can do 49 divided by 3.5
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Answer:

(3/5)x+1/4=(3/4)x-2/5

<=> (3/5)x - (3/4)x= -2/5 - 1/4

<=> x(12/20 - 15/20) = -13/20

<=> x(-3/20) = -13/20

<=> x = 13/3

Step-by-step explanation:

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3 years ago
What is the difference between adjacent and vertical
tatuchka [14]

Answer:

Hi there

Adjacent angles are two angles that have a common side and a common vertex (corner point), and don't overlap. Vertical angles are the angles opposite each other when two lines cross


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3 years ago
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Select all the equations that are true when “x” is (-2).
mina [271]

Answer:

The first one, the third one, and the fourth one.

Step-by-step explanation:

i just put the ones that are correct. If you want me to write out why the incorrect ones are incorrect, let me know.

1.

-6=3x

-6= 3(-2)

-6= -6

3. -8= x+x+x+x

-8= -2+-2+-2+-2

-8= -8

4. x/2= (-1)

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6 0
3 years ago
The body of a person who weighs 50 kilograms contains around 2 × 102 grams of sodium chloride. How much sodium chloride is conta
kondaur [170]

The mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.

<h3>How do you calculate the mass of sodium chloride required?</h3>

Given that weigh of the person is 50 KG. The mass of the sodium chloride in one person is given below.

1 \;\rm Person = 2\times 10^2\;\rm g

The mass of sodium chloride is calculated as given below.

1.8\times 10^3 \;\rm Person = 2\times 10^2 \times 1.8\times 10^3

1.8\times 10^3 \;\rm Person = 3.6\times 10^5\;\rm g

Hence we can conclude that the mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.

To know more about the mass, follow the link given below.

brainly.com/question/15959704.

7 0
2 years ago
A random sample of 11 university students produced the following data, where x is the minutes spent studying per day, and y is t
SIZIF [17.4K]

Answer:

16.373,16.4

Step-by-step explanation:

Given that a  random sample of 11 university students produced the following data, where x is the minutes spent studying per day, and y is the first exam score (out of a maximum of 100 points).

x y

11 39

13 55

14 43

17 46

19 69

22 75

24 77

25 78

28 77

31 93

34 92 Observations 11        

       

ANOVA        

df SS MS F Significance F    

Regression 1 3214.095153 3214.095153 69.46052448 1.59367E-05    

Residual 9 416.4503017 46.27225574      

Total 10 3630.545455      

       

Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0%

Intercept 16.37281677 6.48384963 2.525169105 0.0324919 1.705329914 31.04030362 1.705329914 31.04030362

x 2.369323595 0.28428592 8.33429808 1.59367E-05 1.726224167 3.012423023 1.726224167 3.012423023

We get regression line as y =2.369x+16.373

a) value of intercept = 16.373

b) 16.4

8 0
3 years ago
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