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Bumek [7]
2 years ago
12

An object is launched at 39.2 meters per second (m/s) from a 42.3-meter tall platform. The equation for the object's height s at

time t seconds after launch is s(t) = -4.9t^2 + 39.2t + 42.3 where s is in meters. Create a table of values and graph the function. Approximately when will the object hit the ground?
Explain
Mathematics
1 answer:
vova2212 [387]2 years ago
4 0

Just add the numbers up and see if that works

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What are two numbers that multiply to 35 and add to negative 12?
bazaltina [42]
-7 and -5.

(-7)(-5) = 35
-7 + (-5) = -12
7 0
3 years ago
Work out the volume of this sphere.
navik [9.2K]

Answer:

Volume of the sphere ( V ) = 1436.02 cm³

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the radius of the sphere r = 7 cm

Volume of the sphere

                  V = \frac{4}{3} \pi r^{3}

                 V = \frac{4}{3} \pi (7)^{3}

                 V = \frac{4}{3} X3.14 X (7)^{3} = 1436.02

                 V = 1436.02 cm³

Volume of the sphere

                  V = 1436.02 cm³

3 0
2 years ago
A sunflower grows to be 200cm tall. After four weeks, it was 30% of this height. How tall
hichkok12 [17]

Answer:

60cm

Step-by-step explanation:

200*3/10=20*3=60

6 0
2 years ago
NEED HELP ASAPPPPPPPPP
Nookie1986 [14]

Answer:

A  = 57°

B = 19°

C = 104°

Step-by-step explanation:

We have a triangle with 3 angles:

A, B, and C.

We know that:

"Angle A is 3 times larger than angle B"

We can write this as:

A = 3*B

"Angle C was 10° less than 6 times angle B"

This can be written as:

C = 6*B - 10°

And we also know that the sum of all interior angles of a triangle is 180°

Then we also have the equation:

A + B + C = 180°

So we have a system of 3 equations:

A = 3*B

C = 6*B - 10°

A + B + C = 180°

To solve this, the first step is to isolate one of the variables in one of the equations.

We can see that A is already isolated in the first one, so we can skip that step.

Now we need to replace A in the other equations, to get:

C = 6*B - 10°

(3*B) + B + C = 180°

Now we have a system of two equations.

Let's do the same procedure, we can see that C is isolated in the top equation, so we can just replace that in the other equation to get:

3*B + B + (6*B - 10°) = 180°

Now we can solve this for angle B

4*B + 6*B - 10° = 180°

10*B - 10° = 180°

10*B = 180° + 10° = 190°

B = 190°/10 = 19°

Now that we know the measure of angle B, we can input this in the equations:

A = 3*B

C = 6*B - 10°

To find the measures of the other two angles:

A = 3*19° = 57°

C = 6*19° - 10° = 104°

5 0
2 years ago
Why is the answer A? Plz explain.
emmasim [6.3K]

Answer:


Step-by-step explanation:

the answer cannot be 5. Why? Because the minimum will occur when 12 and 5 point in opposite directions like both are on the x axis pointing to 0 from the east and pointing to zero coming from the west.

12 - 5 = 7

You cannot get a result less than that.

4 0
3 years ago
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