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Alenkasestr [34]
3 years ago
15

Jordan is driving to a concert and needs to pay for parking. There is an automatic fee of $11 just to enter the parking lot, and

when he leaves the lot, he will have to pay an additional $4 for every hour he had his car in the lot. How much total money would Jordan have to pay for parking if he left his car in the lot for 2 hours? How much would Jordan have to pay if he left his car in the lot for tt hours? help!!!!
Mathematics
1 answer:
arsen [322]3 years ago
7 0

Answer:

$17 For two hours

Step-by-step explanation:

Create an equation: 11+4(2)=t

Parentheses: 11+6=t

Combine like terms: 17=t

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A car uses 8 gallons of gasoline to travel 290 miles. How much gasoline will the car use to travel 400 miles
VARVARA [1.3K]
To find this answer, you would need to find how many miles 1 gallon of gas will take them. To find this, you would do 290÷8=36.25. So with this information, you will be able to find out how much gas it would take to travel 400 miles. You would do 400÷36.25=11.03. 11.03 would be how many gallons of gas is used to travel 400 miles. Hope this helps! ;)
7 0
3 years ago
Is 16x^2-56x+49 a perfect square trinomial? How do you know ? If it is, factor the expression. Please show your work
daser333 [38]

Answer:

  • yes
  • (4x -7)^2

Step-by-step explanation:

If it is, the first and last terms are perfect squares, and the middle term is twice the product of the roots of those squares.

  16x^ = (4x)^2 . . . . a perfect square

  49 = 7^2 . . . . . . . a perfect square

  -2(4x)(7) = -56x . . . . . matches the middle term, so the factoring is ...

  16x^2 -56x +49 = (4x -7)^2

_____

The sign in the binomial factors is the same as the sign of the middle term of the trinomial.

6 0
3 years ago
Use the Exterior Angles Theorem to find the measure of each angle in degrees.​
Gre4nikov [31]

You have to begin by using the triangle sum therom. That means Angle DEC would be 64°, Angle D would be 76°, and angle C would be 40°

8 0
3 years ago
The sum of two numbers is 54. The smaller number is 18 less than the larger number. What are the numbers?
igomit [66]

Answer:

The larger number is 37.  This makes the smaller number 56 - 37, which is 19.

Step-by-step explanation:

 

The first step is to pick variables for the two numbers.  Lets call the smaller number x and the larger number y.

Since the sum of the two numbers is 56, this means that x + y = 56.  Let's call this equation 1 and save it for later.

 

The next sentence says:

The smaller number is 18 less than the larger number.  So, 18 less than the larger number would be y - 18.  So, the smaller number must be equal to this, so

 

x = y - 18

 

Replace the x in equation 1 with y - 18

 

x + y = 56

(y-18) + y = 56   (replace x with y-18)

2y - 18 = 56        (add the y's)

2y = 74               (add 18 to both sides)

y = 37                 (divide both sides by 2)

 

So, the larger number is 37.  This makes the smaller number 56 - 37, which is 19.

 

Hope this helps!!  :)

8 0
2 years ago
Make x the subject in the relation
tatyana61 [14]
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