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-BARSIC- [3]
3 years ago
6

How many cars averaged less than 30 miles per gallon?

Mathematics
1 answer:
Phoenix [80]3 years ago
4 0

5 cars are 0-9

15 cars are 10-19

55 cars are 2-29

5 + 15 + 55 = 75 total cars are less than 30 miles per gallon.

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The area of the right triangle shown is 24 square feet. Which equations can be used to find the lengths of the legs of the trian
Gwar [14]

The equations to calculate the legs are 0.5(x)(x + 2) = 24, x^2 + 2x - 48 = 0 and x^2 + (x + 2)^2 = 100

<h3>How to determine the legs of the triangle?</h3>

The complete question is in the attached image

The given parameters are:

Area = 24

Legs = x and x + 2

The area of the triangle is calculated as:

Area = 0.5 * Base * Height

This gives

0.5 * x * (x + 2) = 24

So, we have:

0.5(x)(x + 2) = 24

Divide through by 0.5

(x)(x + 2) = 48

Expand

x^2 + 2x = 48

Subtract 48 from both side

x^2 + 2x - 48 = 0

Hence, the equations to calculate the legs are 0.5(x)(x + 2) = 24, x^2 + 2x - 48 = 0 and x^2 + (x + 2)^2 = 100

Read more about area at:

brainly.com/question/24487155

#SPJ1

3 0
2 years ago
If f(x) = 3x - 5 and g(x) = 7x + 2, what is (f * g)(x)? NEED HELP ASAP!!!!
QveST [7]

Answer:(f*g)(x)= 21x^2 -29x -10


Step-by-step explanation:

(3x-5)(7x+2)

21x^2-35x+6x-10

21x^2-29x-10

6 0
3 years ago
You help in the local cafeteria by emptying the trash barrels. You are paid $4 for each day you work. Let d be the number of day
Andreyy89
4d = $$$$

You would times 4 by the number of days
8 0
3 years ago
Read 2 more answers
What the questions are asking help ASAP please
Rudiy27

Answer:

Step-by-step explanation:

A scalar is a constant value that is multiplied throughout a matrix.

e.g.

In number 1 the set up would look like this

3 * \left[\begin{array}{ccc}3&-1&5\\2&1&-4\\-6&3&2\end{array}\right]

To solve this, you must distribute the 3 to each value within the matrix

The solution to #1 would be

M = \left[\begin{array}{ccc}9&-3&15\\6&3&-12\\-18&9&6\end{array}\right]

3 0
3 years ago
If 2x+5= 12 for some value of x, then what does 6x+20 equal???
ANEK [815]
1. Solve for x in 2x + 5 = 12
2x + 5 = 12       Subtract 5 from both sides.
2x = 7               Divide 2 from both sides.
x = 3.5

2. Substitute 3.5 in for x in 6x + 20
6(3.5) + 20
21 + 20
41

Your answer is 41.


6 0
3 years ago
Read 2 more answers
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