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geniusboy [140]
3 years ago
12

Tyra's family is spending the afternoon in Millersville. They plan to see a movie and then explore the town. The movie will cost

the family $36, and parking costs $4 per hour.
Which cost will change depending on how long they are there?

A. $36

B. $4
Mathematics
1 answer:
12345 [234]3 years ago
3 0
Answer: B. $4 hope this helps(:
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9 x 10 to the power of 2 how many times as much as 3 x 10 to the -2 power
hjlf

Answer:

  3×10^4

Step-by-step explanation:

The desired factor is found by calculating the ratio of the two numbers:

  k = (9×10^2)/(3×10^-2) = (9/3)×10^(2 -(-2)) = 3×10^4

The first number is 3×10^4 = 30,000 times as much as the second number.

6 0
2 years ago
Helppppppppppppppp lol
Sladkaya [172]
The given expression is: 
(x/2) + 5

Let's look at each terms separately:
x/2 means that you you're getting half the value of a number
+5 means that you are adding 5
Combining both, you can conclude that you are adding 5 to half a certain given number.

Comparing this with the choices, the correct choice would be:
C. five more than half a number.

5 0
3 years ago
Read 2 more answers
−2x=x2−6 Rewrite the equation by completing the square.
V125BC [204]

Answer:

(x + 1)² = 7

Step-by-step explanation:

Given:

-2x = x² - 6

We'll start by rearranging it to solve for zero:

x² + 2x - 6 = 0

The first term is already a perfect square so that's fine.  Normally, if that term had a non-square coefficient, you would need to multiply all terms a value that would change that constant to a perfect square.

Because it's already square (1), we can simply move to the next step, separating the -6 into a value that can be doubled to give us the 2, the coefficient of the second term.  That value will of course be 1, giving us:

x² + 2x + 1 - 1 - 6 = 0

Now can group our perfect square on the left and our constants on the right:

x² + 2x + 1 - 7= 0

x² + 2x + 1 = 7

(x + 1)² = 7

To check our answer, we can solve for x:

x + 1 = ± √7

x = -1 ± √7

x ≈ 1.65, -3.65

Let's try one of those in the original equation:

-2x = x² - 6

-2(1.65) = 1.65² - 6

- 3.3 = 2.72 - 6

-3.3 = -3.28

Good.  Given our rounding that difference of 2/100 is acceptable, so the answer is correct.

6 0
3 years ago
What is the sum of the polynomials?<br> (m + n + 3) + (m + n + 4)
Ainat [17]

Answer:

i honestly dk but need help

Step-by-step explanation:

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4 0
2 years ago
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Which shows the correct substitution of the value a, b, and c from the equation 0=-3x^2-2x+6 into the quadratic formula?
AysviL [449]

Step-by-step explanation:

it should be letter A on edge2020

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