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Yuki888 [10]
3 years ago
7

sharon and anthony dropped a stone from a 150-foot cliff. find the time, t, in seconds that it will take for the stone to reach

the ground. let t=1/4 square root of s, where s represents the distance in feet the stone will fall.
Mathematics
1 answer:
shutvik [7]3 years ago
7 0
Work:
(s = 150ft
t = 1/4 square root of s)
Square Root (150) = 12.2474487139
12.2474487139 ÷ 4 = 3.0618621785 = ~3.062

Final Answer: About 3.062 seconds.
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The scatter plot below shows a linear association. Which is the best linear model for the data?
Ivanshal [37]

Answer:

ye its y=5x-10

Step-by-step explanation:

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3 years ago
A right triangle has a base equal to 13 inches and a height equal to 18 inches. Find the area of the trlangle.
never [62]

Answer:

117

Step-by-step explanation:

The formula for a triangle is base times hight divided by two. So, 13 x 18 = 234, and 234/2 = 117

3 0
3 years ago
1. To go bowling, it costs $2.00 to rent shoes and $3.50 per game. The function t(x) = 3.5x + 2 is used to find the total cost,
borishaifa [10]

Answer:

a. $5.5      b. $19.5

Step-by-step explanation:

t(x)=3.5x+2

x = amount of games

a. t(1)=3.5(1)+2

t(1)=3.5+2

t(1)=5.5

b. t(5)=3.5(5)+2

t(5)=17.5+2

t(5)=19.5

4 0
3 years ago
Solve for x:<br> -1/3(4x+2)=1/3(x+11)<br><br> A. -13/3<br> B. -3<br> C. -13/5<br> D. -9/5
Nataly_w [17]
X=-13/5

Simplify both sides of the equation, isolate the variable, and then you get your answer. 
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3 years ago
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AnnyKZ [126]

Answer:

There are many. Two examples are

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Step-by-step explanation:

There are many examples. The simplest is

1 -

f(x) = x

It is trivial that

\text{if \,\,\,\,}  f(x) = f(y) \,\,\,\,\,\text{then} \,\,\,\,\, x=y

2 -

f(x) = x^3

That function is injective as well.

\text{if \,\,\,\,}  x^3 = y^3 \,\,\,\,\,\text{then} \,\,\,\,\, x=y

An example of a function that is NOT injective is

f(x) = x^2

Notice that

f(-2) = (-2)^2 = 2^2 = 4

4 0
3 years ago
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