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Luda [366]
2 years ago
9

39.98× 0.5 is approximately equal to

Mathematics
1 answer:
avanturin [10]2 years ago
8 0

Answer:

20

Step-by-step explanation:

it equals 19.99 but if you round it equals to 20

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3 years ago
the hight, the feet, of a javelin t seconds afther it is moldeled by the function (t) =4t^2 + 24t + 6. Afther how many seconds d
ruslelena [56]
The max height will be reached after 3 seconds.

You have a typo in your equation. For this type of quadratic equation, it always starts out with a negative coefficient of the t squared term.

To find the x-coordinate of the vertex, we just need to use the expression: -b/2a.

Then, we have:

-24 / (2(-4))

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3
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3 years ago
What’s the slope of (-3, 6), (2, 6)?
IRINA_888 [86]

Answer:

0

Step-by-step explanation:

(y2-y1)/(x2-x1)

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4 0
3 years ago
Solve for x<br><br><br><br> D) 10y=130
mixer [17]
X equals 13 and that is the answer 

5 0
3 years ago
Consider the right triangle below. Solve for x. Label the sides in the image as opposite, adjacent, or hypotenuse, then show you
jasenka [17]
<h3>Answer:   x = 19.7  (choice C)</h3>

=========================================================

Explanation:

The reference angle is 24 degrees. Opposite that angle is the side 8 units long. The horizontal portion is unknown and it's the adjacent side.

Also unknown is the value of x which is the hypotenuse.

To summarize:

  • opposite = vertical leg = 8
  • adjacent = horizontal leg = unknown
  • hypotenuse = x

The hypotenuse is always opposite the 90 degree angle.

To tie together the opposite and hypotenuse, we'll use the sine ratio

sin(angle) = opposite/hypotenuse

sin(24) = 8/x

x*sin(24) = 8

x = 8/sin(24)

x = 19.6687 approximately

x = 19.7 after rounding to the nearest tenth.

Side note: your calculator needs to be in degree mode

3 0
2 years ago
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