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Kaylis [27]
3 years ago
13

If there was a total of 80 vehicles an a percentage of 70% of cars how much car was used

Mathematics
1 answer:
Korolek [52]3 years ago
4 0

Answer:

56

Step-by-step explanation:

I don't quite understand your question but I assumed you meant what is 70% of 80

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HELPPPP Write the equation of a line in slope intercept form with a slope of -3/4 and a y-intercept of -9.
Vanyuwa [196]

Answer:

y=-3/4x-9

Step-by-step explanation:

plz give brainliest!! hope this helps!

5 0
3 years ago
If I have 50 pencils that cost $10 how much is each pencil and what's the formula
Crazy boy [7]
They are $0.2 each

10/50=.20
7 0
3 years ago
A survey was conducted that asked 1004 people how many books they had read in the past year. Results indicated that x overbarequ
melisa1 [442]

Answer:

Step-by-step explanation:

Given that a survey was conducted that asked 1004 people how many books they had read in the past year.

Results are:

x bar =12.5

s = 16.6

n = 1004

Std error of sample = \frac{s}{\sqrt{n-1} } =\frac{16.6}{\sqrt{1003} }\\=0.524152\\=0.524

Since population std dev is not known t critical value can be used for confidence interval.

df = 1004-1 =1003

t critical = 1.96

Margin of error = 1.96(std error) =1.027

Confidence interval lower bound = 12.5-1.027 = 11.473

Upper bound = 12.5+1.027 = 13.527

6 0
2 years ago
What is the range of this relation?
riadik2000 [5.3K]
The range of the relation is 35,40,45,60,75
Reason being in relation range is the set of all second elements of ordered pairs (y-coordinates).
5 0
3 years ago
Which of the sets of ordered pairs represents a function?
IgorC [24]

Answer:

Neither set A nor set B represents a function.  

Step-by-step explanation:

According to the definition of a function, for each input there exists a unique output. In other word for each value of x there exists unique value of y.

In set A we have four ordered pair (-4,5),(1,-1),(2,-2) and (2,3).

It means for x=2, we have two values of y, i.e., -2 and 3.

Since for a single value of x there exist more than one value of y, therefore set A is not a function.

In set B we have four ordered pair (2,2),(3,-2),(9,3) and (9,-3).

It means for x=9, we have two values of y, i.e., -3 and 3.

Since for a single value of x there exist more than one value of y, therefore set B is not a function.

3 0
3 years ago
Read 2 more answers
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