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baherus [9]
3 years ago
13

Mr. Thomas drove from Banesville to Tempe and back.

Mathematics
1 answer:
algol133 years ago
6 0

Answer:

what are the answer options

Step-by-step explanation:

You might be interested in
A batter strikes a baseball. the equation y = -0.005^2 +0.7x + 3.5 models its path, where x is the horizontal distance, in feet,
hram777 [196]

Answer:

(D)144.8 feet

Step-by-step explanation:

Given the equation which models the path of the baseball

y = -0.005x^2 +0.7x + 3.5

where x is the horizontal distance, in feet, the ball travels and y is the height, in feet, of the ball.

To determine how far from the batter the ball will land, we determine the distance x at which the height, y=0.

y = -0.005x^2 +0.7x + 3.5=0

-0.005x^2 +0.7x + 3.5=0

We use the quadratic formula to solve.

In the quadratic equation above, a=-0.005, b=0.7, c=3.5

x=\dfrac{-b\pm\sqrt{b^2-4ac} }{2a} \\=\dfrac{-0.7\pm\sqrt{0.7^2-4(-0.005*3.5)} }{2*-0.005} \\=\dfrac{-0.7\pm\sqrt{0.49+0.07} }{-0.01}\\=\dfrac{-0.7\pm\sqrt{0.56} }{-0.01}\\x=\dfrac{-0.7+\sqrt{0.56} }{-0.01} \: or\: x=\dfrac{-0.7-\sqrt{0.56} }{-0.01}\\x=-4.83 \: or\: x=144.83

Since x cannot be negative, x=144.8 feet to the nearest tenth of a foot.

<u>The correct option is D.</u>

6 0
3 years ago
Pages:
Anna71 [15]

Answer:

f(- 2) = - 20

Step-by-step explanation:

Using synthetic division

- 2 | 4    1   - 3   2

      4   - 8   14  - 22

     ------------------------

           - 7   11    - 20 ← f(- 2) = - 20

     

7 0
3 years ago
Is 770m less than 7m?
sattari [20]
Its greater than :)!
3 0
4 years ago
Read 2 more answers
12 more than x<br> algebra expression
hichkok12 [17]

Answer:

the expression + 12

Step-by-step explanation:

anything that has 'than' after it will be comparing "a" and "b" will be switched

a: 12

b: the expression

a more than b

it'll become

'b + a'

because its comparing both variables of which one is greater than the other in terms of quantity

6 0
3 years ago
Read 2 more answers
PLEASE HELP WITH MATH!! Only answer if you know this is important.
kotegsom [21]

Answer:

1. Subtraction

2. Distribution

3.Multiplication

4. Simplifying

Step-by-step explanation:

3 0
3 years ago
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