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Strike441 [17]
2 years ago
5

Is the number in the following statement an exact quantity or a measured quantity?You are told that a car gets 35 miles per gall

on.measured quantityexact quantity
Mathematics
1 answer:
xeze [42]2 years ago
7 0

The problem states that a certain car travels 35 miles per gallon of fuel. This statement has a certain level of uncertainty, because the fuel consumption varies with how the car is manuvered, therefore the correct answer is measured quantity.

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Divya wants to rent a car to drive for the weekend. The rental company has a special that allows her to rent it for $200 for the
adelina 88 [10]

Answer:

200 + 0.07m \leq 230

A maximum of \approx 428 miles is the distance what Divya can travel.

Step-by-step explanation:

Given that:

Rent to be paid for the car in the weekend = $200

Charges to be paid per mile = $0.07

Total money available  with Divya = $230

To find:

The inequality as per her limitations and solution to the problem.

Solution:

Let the number of miles for which Divya can drive = m miles

Charges for one mile = $0.07

Charges for m miles = $0.07m

Total charges for renting and m miles = Rental charges + Operational charges

Total charges for renting and m miles = $200 + $0.07m

These are charges must be lesser than equal to the amount of money available with Divya.

Therefore, we can write:

200 + 0.07m \leq 230

Subtracting 200 from both the sides:

0.07m \leq 30

Dividing both sides with 0.07:

m \leq \dfrac{30}{0.07}\\m\leq 428.6

Therefore, a maximum of \approx 428 miles is the distance what Divya can travel.

8 0
3 years ago
2x(8+7)-6/2x(9-3) evaluate
Katarina [22]
Ok so assuming that the 'x' means multiply and not 'x' as in placeolder we do

PEMDAS
parenthaseees
exponents
multipilcation or division
additon or subtraction

parethasees simplify first
(8+7)=15


(9-3)=6

now we have
2x(15)-6/2x(6)
multiply
2x15=30

6/2x6=36/2=18

now we have
30-18
12

answer is 12
6 0
4 years ago
Read 2 more answers
What is the equation of a line that is perpendicular to a line with a slope of 2 and passes
geniusboy [140]

To find the equation of a perpendicular line, you first need to find the negative reciprocal of the slope given. The slope is -1/3, so the slope of the perpendicular line will be 3

Now we just need to find the y intercept using the point (3, 2) and you can plug the coordinates in and then solve for b. Let's see what that looks like.

y=3x+b

2=3*(3)+b

2=9+b

-7=b  So now we know the y-intercept and slope. We just put them together now

y=3x-7

6 0
3 years ago
Read 2 more answers
Picture shows the questions
SpyIntel [72]

Answer:

121 cm

Step-by-step explanation:

12x13=156

7x5= - 35

________

121

5 0
3 years ago
(3 points) Determine whether each of these functions f : {a, b, c, d} → {a, b, c, d} is one-to-one and whether each of these fun
finlep [7]

Answer:

Step-by-step explanation:

Recall the following. Given a function f we say that  

f is one to one if for x,y in the domain of f and f(x)=f(y) then x=y.

This means that there are no different elements in the domain of the function  that are linked to the same value.

f is onto if for every y in the codomain of f, then there is an element x in the domain of f such that f(x) = y. That is, given an element y in the codomain of f, there exists and element in the domain that is linked to y.

a)  

f(a) =b, f(b)=a, f(c) = c, f(d) = d. Note that this function links each element in {a,b,c,d} to different elements in {a,b,c,d}, so it is a one to one function. Since for every element x in {a,b,c,d} there is an element y in {a,b,c,d} such that f(y) = x, then this function is also onto.  

b)  

f(a)=b, f(b) = b, f(c) = d, f(d) = c. Note that the elements a,b are linked both to b, so this function fails to be one-to-one. Also, note that the element a has no element x in {a,b,c,d} such that f(x) = a, so this function fails to be onto.  

c)  

f(a) = d, f(b) = b, f(c) = c, f(d) = d.  

As in b), since a and d are linked to d, then this function is not one to one. Also, since the element a has no element x in {a,b,c,d} such that f(x) = a, then it also fails to be onto.  

8 0
3 years ago
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