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oksian1 [2.3K]
3 years ago
8

1. The function h = - 4.9x2 + 40x + 1 gives the height of a baseball after it has been hit

Mathematics
1 answer:
pickupchik [31]3 years ago
4 0
The ball will hit the ground between 8 and 9 seconds

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I need help with this plz
dedylja [7]
Use the equation to find the missing height, h, by undoing the equation. Use SADMEP, the reverse order of operations.

:)
4 0
3 years ago
A factory produces 60005/12
ycow [4]

Answer:

About\ 193 \frac{209}{372} \ tons\ of \ steel

Step-by-step explanation:

Given the amount of tons of steel produced monthly by a factory to be 6000 5/12 tons, to determine their daily production, we need to use the conversion;

Maximum of 31 days = 1 month

This means that the steel company produces 6000 5/12 tons of steel in 31 days.

6000 5/12 tons = 31 dsays

72,005/12 tons = 31 days

in a day, the company will therefore produce approx. (72,005/12)/31 tons of steel.

(72,005/12)/31  = 72,005/12 * 1/31

= 72,005/12*31

= 72,005/372

= 193  209/372 tons of steel.

Hence, the factory produces about 193 \frac{209}{372} tons of steel daily

6 0
3 years ago
Find the value of x. Round your answer to the nearest tenth.
o-na [289]
Answer should be 4


Explanation: 30 divided by 8 = 3.75

3.75 rounded is 4
5 0
3 years ago
Steps for graphing -x^2-4x-3
sdas [7]

Answer:

:)

Step-by-step explanation:

There are several ways to do this. The first, which I personally think is the quickest way without having to do too much math or rearranging the equation is to simply pick random points for x and solve for y.

For instance, you might try -2 for x.

- ( - 2)^2 - 4 ( - 2) - 3

= - 4 + 8 - 3

= 1

So one of your points would be (-2, 1)

Then you might choose, say, -3 for x. And after that, -1 for x. If you want to graph even more points after those (the more points, the more accurate your graph), choose -4 and 0 for x. Simply put it into the equation and find y. Then graph.

3 0
3 years ago
Jimmy sold a book for $69.95 on Cheggs.com. The state had to added a 8% tax his book. How much was
kari74 [83]

Answer:

$5.60

Step-by-step explanation:

Multiply the price of your book, $69.95 by the tax .08

69.95 x 0.08 = 5.596, rounded up to 5.60

3 0
3 years ago
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