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kaheart [24]
2 years ago
5

1.) if a person weighs 160 pounds, what is his mass in kilograms ​

Mathematics
1 answer:
Stella [2.4K]2 years ago
4 0

Answer:

72.56

Step-by-step explanation:

Divide the number of pounds by 2.205

160/2.205 = 72.56

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10 miles per hour

Step-by-step explanation:

speed= distance/time

30/3

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4.1.3 Quiz: Simple interest
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simple intrest

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1. There are 150 students in the 9th grade class. They are 9th having a talent show to raise money
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Answer:

100 more tickets are needed to reach the goal of 2000

Step-by-step explanation:

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3 years ago
Find the area of the trapezoidal cross-section of the irrigation canal shown below. Your answer will be in terms of h, w, and θ.
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5 0
3 years ago
I'll give brainliest to whoever answers first and is correct!!
Nina [5.8K]

Answer:

(a) y=8x+5

(b) 7 hours.

Step-by-step explanation:

(a) Let x be the number of hours and y is the total cost.

We have been given that Beatrice and her friends charge $8 per hour of babysitting, so the charges for x hours of babysitting will be 8x.

As they also charge a mandatory $5 per day fee for each child for snacks, so the total charges for babysit each day will be charges for x hours of babysitting plus mandatory charge.

We can represent this information in an equation as:

y=8x+5

Therefore, the equation y=8x+5 represents the total cost of using Beatrice’s babysitting service each day.

(b) To find the number of hours Beatrice babysit the daughter, we will substitute y = 61 in our equation and solve for x.

61=8x+5

Let us subtract 5 from both sides of our equation.

61-5=8x+5-5

56=8x

Let us divide both sides of our equation by 8.

\frac{56}{8}=\frac{8x}{8}

7=x

Therefore, Beatrice babysit 7 hours the daughter.

Expression for part c is missing.

6 0
3 years ago
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