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jolli1 [7]
3 years ago
8

Edward's school is 13/2 miles away from his home . He goes by car to school and back. The car consumed 4 gallons of gas taking h

im to and from school over 5 days. What distance did he travel per gallon of fuel?
Mathematics
1 answer:
MatroZZZ [7]3 years ago
5 0

Answer:

16.25

Step-by-step explanation:

Well, the school is 13/2 miles away.

13/2 = 6.5

Since Edward goes by car there and back, he travels 13 miles a day.

6.5 x 2 = 13

He went for 5 days.

5 x 13 = 65

The car consumed 4 gallons of gas by driving those 65 miles.

65 / 4 = 16.25

Therefore, Edward's car gets 16.25 miles per gallon!

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Without using technology, describe the end behavior of f(x) = 3x32 + 8x2 − 22x + 43.
mr Goodwill [35]
F(x) = 3x^32 + 8x^2 -22x +43

The ends of all the polynomials with even degree behave like quadratic functions.

Given the the coefficient of x^32 is positive, the function opens upwards. Then the two ends go up.
8 0
3 years ago
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Evaluate the function. f(x) = 3x² – x Find f(10)​
kirill [66]

Answer:

<em>f(10)=290</em>

Step-by-step explanation:

<u>Function Evaluation</u>

Given a function f(x) as an explicit expression, finding f(x=a) implies substituting the value of x by a in every instance it occurs.

We are given the function:

f(x)=3x^2-x

It's required to find f(10). We replace the x for 10:

f(10)=3*10^2-10

Operating:

f(10)=3*100-10

f(10)=300-10

f(10)=290

Thus, f(10)=290

4 0
3 years ago
A factory produces fuses, which are packaged in boxes of 22. Four fuses are selected at random from each box for inspection. The
mojhsa [17]
The probability of finding one of the two defective fuses is:
\frac{2C1\times20C3}{22C4}=0.3117
The probability of finding 2 defective fuses is:\frac{2C2\times20C2}{22C4}=0.026
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What's the sum of a number k and 7​
Kipish [7]
Correct me if I’m wrong but I believe it is 11
8 0
3 years ago
A rectangular field has an area of 1,764 m2. The width of the field is 13 m more than the length. What is the perimeter of the f
Gnoma [55]
Hello,
Here in France we call length the greater side of a rectangle.
So:
Let a the greater side
b the shortest

a=b+13
a*b=1764
==>b*(b+13)=1764
==>b²+13b-1764=0
==>b=(-13-85)/2 to exclude
or (b=(-13+85)/2=36 and a=36+13=49)

P=2(a+b)=2(36+49)=170 (m)
Proof:
49-36=13
36*49=1764


4 0
2 years ago
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