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telo118 [61]
2 years ago
5

Can u help me with this math problem?

Mathematics
1 answer:
Bad White [126]2 years ago
4 0

Answer:

A

Step-by-step explanation:

11/15

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a ball is thrown vertically upward from the ground with an initial velocity of 60 ft/sec. how high will the ball go?
vazorg [7]

Answer:

The ball will go to maximum height of 56.25 meters.

Step-by-step explanation:

It is given that, a ball is thrown vertically upward from the ground. Initial velocity of the ball, v = 60 ft/sec

Initial height is 0 as the ball is thrown from ground. The equation of projectile is given by :

h(t)=-16t^2+vt+h

h = 0

h(t)=-16t^2+60t..............(1)

We need to find the maximum height reached by the ball. For maximum height,

\dfrac{dh(t)}{dt}=0

\dfrac{d(-16t^2+60t)}{dt}=0

t = 1.875 seconds

Put the values of t in equation (1). So,

h(t)=-16(1.875)^2+60(1.875)

h(t) = 56.25 meters

So, the ball will go to maximum height of 56.25 meters. Hence, this is teh required solution.

3 0
3 years ago
You want to make 3 pairs of earrings that are in the shape of isosceles triangles. Each earring will have a base of 2 cm. The wi
son4ous [18]

Answer:

The length of each of the other two sides would be  3.1 cm

Step-by-step explanation:

<u><em>The options of the question are</em></u>

A. 3.1 cm

B. 3.2 cm

C. 4.2 cm

D. 6.1 cm

we know that

An isosceles triangle has two equal sides and two equal interior angles

Let

x -----> the length of each of the two equal sides in the isosceles triangle

The perimeter of one isosceles triangle is equal to

P=2x+2

Remember that

To maximize the use of the wire, the perimeter of 6 earrings (3 pairs of earrings) must be equal to 50 cm

so

6(2x+2)=50

Solve for x

12x+12=50

12x=50-12

12x=38

x=\frac{38}{12}=3.16\ cm

therefore

The length of each of the other two sides would be  3.1 cm

7 0
2 years ago
How to find the point that is equidistant from (5,-5) and (1,1)
Lina20 [59]

Answer:

(3, -2)

Step-by-step explanation:

The <em>midpoint</em> of two points is half-way between the x-values and the y-values.

The formula is

M = ((x₁ + x₂)/2, (y₁ + y₂)/2)

For the points (5,-5) and (1,1),

Half way between the x values is

(x₁ + x₂)/2 = (5 + 1) /2 =  6/2 =  3

Half way between the y values is

(y₁ + y₂)/2= (-5 + 1)/2  = -4/2 = -2

M = (3, -2)

The graph below shows your two points at (5,-5) and (1,1) and the mid-point at (3, -2).

3 0
3 years ago
T(d) is a function that relates the number of tickets sold for a movie to the number of days since the movie was released. The a
Xelga [282]
The andwer would be 10 baby
4 0
2 years ago
Read 2 more answers
Find the equation of the axis of symmetry for<br> the parabola y=5x2
Dima020 [189]

Answer:

X=0

Step-by-step explanation:

3 0
3 years ago
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