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Molodets [167]
3 years ago
10

You drop a seashell into the ocean from a height of 40 feet. Write an equation that models the height h in feet) of the seashell

above the water after seconds. How long is the seashell in the air? Round your answer to the nearest tenth.
Mathematics
1 answer:
ANTONII [103]3 years ago
5 0

Answer:

t=1.58 seconds

Explanation:

The equation which models the height <em>h</em><em> </em>of the seashell above water after t seconds

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12 packs of skwunch apple juice cost $3.00 after a 40% discount. which equation would allow you to find the oringnal price of th
mixas84 [53]
After 40% discount, it is selling at 60%
60% = 3.00
1% = 0.05
100% = 0.05 x 100 = $5.00

original price = $5.00
4 0
4 years ago
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How many solutions are there for the system of equations shown on the graph?
PSYCHO15rus [73]

Answer:

Only one solution

Step-by-step explanation:

Given that there is a coordinate plane (say xy)

Two lines are given.

One line crosses the y axis at 3 and has a slope of negative 1.

hence equation of I line is y = -x+3

The other line crosses the y axis at 3 and has a slope of two thirds.

So equation is y = 2x/3 +3

Since the two lines lie in the same plane and are having different slopes, they intersect at one point.

Eliminate y to get

-x+3=2x/3+3

Or x=0

y=3

Hence solutionis (0,3) for the system.


6 0
4 years ago
Read 2 more answers
1. ris 4 more than the product of 7 and 8
sergey [27]

Answer:

i dont know if this is the answer u want

4+(7*8)=x

x= 60

Step-by-step explanation:

3 0
3 years ago
In a walk for charity you walk at a rate of 100 meters per minutes how long does it take you to walk 2 kilometers?
evablogger [386]
2 kilometer is 2000 meters so 2000/100 is 20 so 20 minutes
7 0
3 years ago
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C(x)=2x^3+3x^2-1 find rational zeros
3241004551 [841]

Answer:

1/2

Step-by-step explanation:

The Rational Root Theorem says that any rational root has

1. a numerator that is a factor of the constant term

2. a denominator that is a factor of the leading coefficient (that's attached to the highest-power term)

Numerator:  \pm 1

Denominator: \pm 2

That means there are only two possible rational roots: \pm \frac{1}{2}

Try them both by plugging them into the polynomial.

2\left(\frac{1}{2}\right)^3 + 3\left(\frac{1}{2}\right)^2 -1= \frac{1}{4}+\frac{3}{4}-1 =0

Aha!  The negative one-half value does not produce 0

3 0
3 years ago
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