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Alla [95]
3 years ago
7

NEED HELP ASAP!!! Susan makes $5 per hour babysitting and $7 per hour as a life guard. Her goal is to make at least $140. which

of the following represents three possible solutions to the problem?

Mathematics
1 answer:
Alchen [17]3 years ago
6 0
Number of hours Babysitting: x
Number of horus Lifeguard: y

<span>Susan makes $5 per hour babysitting
</span>Money she makes Babysitting: 5x

Susan makes $7 per hour as a life guard
Money she makes as a life guard: 7y

Total money she mahes: 5x+7y

<span>Her goal is to make at least $140:
5x+7y>=140

Answer: First option
5x+7y>=140</span>
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3 years ago
Help with trig homework
velikii [3]

Answer:

x =19.2

y=29.8

Step-by-step explanation:

We will use the law of sines to solve this problem

sinA           sin B

----------- = -------------

a                     b

sin 55        sin 40

--------- = ---------------

24.5            x

Using cross products

x sin 55 = 24.5 sin 40

Divide by sin 55

x = 24.5 sin 40 / sin 55

x =19.22512011

To one decimal place

x =19.2

To find the angle opposite y, we know the three angles of a triangle add to 180

y = (180-40-55) = 85

sin 55        sin 85

--------- = ---------------

24.5            y

Using cross products

y sin 55 = 24.5 sin 85

Divide by sin 55

y = 24.5 sin 85 / sin 55

y =29.79516474

To one decimal place

y=29.8


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4 years ago
What sampling method could you use to find the percent of adults your community who support building more nuclear power plants?
masha68 [24]

first find the number of adults in the city then find the number of people who support power plant and if the precent adults in the city is 100% then take the number of people that support power plants and find out what precent of adults In the city are power plant supporters.

5 0
3 years ago
I’ll give who ever 55 points just help plz
svp [43]

Answer:

it should be 3.0

Step-by-step explanation:

I hope this helps:) :)

5 0
3 years ago
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