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allsm [11]
3 years ago
14

Which certificate does Jenny require?

Mathematics
1 answer:
Airida [17]3 years ago
7 0
Can you give some more details please thank you
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Carlos kicks a ball into the air. The function that models the scenario is f(t)= -16t^2+ 96t
gregori [183]
Check the picture below

thus \bf 0= -16t^2+ 96t\impliedby \textit{hits the ground}

solve for "t"

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3 years ago
James is earning money to buy a $100 bike. For each dollar James earns, his mom has agreed to give him $1. So far, he has earned
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Mr. Mole left his burrow and started digging his way down at a constant rate. Time (minutes) Altitude (meters) 666 -20.4−20.4min
Juli2301 [7.4K]

Answer:

-6 meters.

Step-by-step explanation:

We have been given Mr. Mole left his burrow and started digging his way down at a constant rate.

We are also given a table of data as:

Time (minutes)     Altitude (meters)

6                                   -20.4

9                                   -27.6

12                                   -34.8

First of all, we will find Mr. Mole's digging rate using slope formula and given information as:

m=\frac{y_2-y_1}{x_2-x_1}, where,

y_2-y_1 represents difference of two y-coordinates,

x_2-x_1 represents difference of two corresponding x-coordinates of y-coordinates.

Let (6,-20.4) be (x_1,y_1) and (9,-27.6) be (x_2,y_2).

m=\frac{-27.6-(-20.4)}{9-6}

m=\frac{-27.6+20.4}{3}

m=\frac{-7.2}{3}

m=-2.4

Now, we will use slope-intercept form of equation to find altitude of Mr. Mole's burrow.

y=mx+b, where,

m = Slope,

b = The initial value or the y-intercept.

Upon substituting m=-2.4 and coordinates of point (6,-20.4), we will get:

-20.4=-2.4(6)+b

-20.4=-14.4+b

-20.4+14.4=-14.4+14.4+b

-6=b

Since in our given case y-intercept represents the altitude of Mr. Mole's burrow, therefore, the altitude of Mr. Mole's burrow is -6 meters.

6 0
3 years ago
Read 2 more answers
Circumference (Level 2)
Agata [3.3K]

Answer:

radius r = 2.38732415 m

diameter d = 4.77464829 m

circumference C = 15 m

area A = 17.9049311 m2

6 0
3 years ago
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Find the missing side lengths and leave the radicals in the simplest form.
yKpoI14uk [10]

Answer:

y=\frac{9\sqrt{2} }{2} and x=9

Step-by-step explanation:

We can see that the triangle is a special triangle or isosceles triangle meaning that two angles/ two sides are the same.

y=\frac{9\sqrt{2} }{2}

To solve for x use Pythagorean Theorem.

a^2 + b^2 = c^2.

\frac{9\sqrt{2} }{2} +\frac{9\sqrt{2} }{2}=x^2\\\\\frac{81}{2} +\frac{81}{2} =x^2\\\\\frac{162}{2} =x^2\\\\x=\sqrt{\frac{162}{2} } =\sqrt{81} =9\\\\x=9

4 0
2 years ago
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