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Eddi Din [679]
3 years ago
14

Please help!!! I will give brainliest but only if you try and help.

Mathematics
1 answer:
Slav-nsk [51]3 years ago
8 0

Answer:

<h2>____</h2><h3>1260 </h3><h2>____</h2>

Since we have to predict, we can use ratios to help us solve this.

12 said yes out of 72 randomly chosen, SO,

if 210 would say yes (goes to play), how many is total??

12 is to 72 AS 210 is to HOW MUCH (let it be x)??

We can setup ratio, cross multiply, and solve for x:

= 12/72= 210/x

= 12x = 210*72

=12x = 15,120

=x = 15,120/12

<h2>=x =1260</h2>

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Simplify.
Fiesta28 [93]
Simple. Just add/subtract each term. 4n-2n=2n. 8m+7m=15m.
This is very basic stuff.
5 0
3 years ago
Read 2 more answers
7th grade math help me pleaseeee
Eduardwww [97]

Answer:

4x + 5y = 20

Step-by-step explanation:

4x + 5y = 20

5y = -4x + 20      (Subtract 4x to isolate 5y. Put the 4x in front of the 20)

y = -\frac{4}{5}x + 4         (Divide all by 5 to isolate y)

And then it's done and in slope-intercept form

-1< -\frac{4}{5} < 0        or -\frac{4}{5} is greater than -1 but less than 0

I hope this helped :)

3 0
3 years ago
What is the spread of the data?
Trava [24]
The spread of data is A 15 to 30 years
3 0
2 years ago
Manny bought a brand new car in 2012 for $28,750. If the car depreciates by 12% each year, write an exponential function to mode
patriot [66]
The exponential formula for this situtation will be given by:
f(x)=ae^(-bx)
where:
a=initial price
b=rate
x=time in years
hence the formula will be:
f(x)=28750e^(-0.12x)
thus the value of the car in 2018 will be:
x=2018-2012=6 years
thus
f(6)=28750e^(-0.12*6)
f(6)=$13,994.13
5 0
3 years ago
S=ut+ 0.5at ²<br> U=10<br> a=-2<br> t=0.5<br> find s.
DedPeter [7]

Answer:

4.75

Step-by-step explanation:

s = ut + 0.5at²

s = (10)(0.5) + 0.5(-2)(0.5)²

s = 5 − 0.25

s = 4.75

4 0
3 years ago
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