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3 years ago

What is the y- intercept of y= 3 - 4x

Mathematics

2 answers:

Leni [432]3 years ago

8 0

Answer:

y=-4x+3

Step-by-step explanation:

Troyanec [42]3 years ago

4 0

Answer:

Step-by-step explanation:

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Patricia serves the volleyball to Amy with an upward velocity of 17.5ft/s. The ball is 5 feet above the ground when she strikes

Lena [83]

t = 1.33 sec

Solution:

Given data:

Velocity $(v_0)$ = 17.5 ft/s

Height $(h_0)$ = 5 ft

The height can be modeled by a quadratic equation

$h(t)=-16t^2+v_0t+h_0$

where h is the height and t is the time

$h(t)=-16t^2+17.5t+5$

$-16t^2+17.5t+5=0$

a = –16, b = 17.5, c = 5

It looks like a quadratic equation. we can solve it by quadratic formula,

$$\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

$$\Rightarrow t=\frac{-17.5 \pm \sqrt{(-17.5)^{2}-4\times (-16)(5)}}{2 (-16)}$

$$\Rightarrow t= \frac{-17.5 \pm \sqrt{306.25+ 320}}{-32}$

$$\Rightarrow t= \frac{-17.5 \pm 25.025}{-32}$

$$\Rightarrow t= \frac{-17.5 - 25.025}{-32}, \ t= \frac{-17.5 + 25.025}{-32}$

$$\Rightarrow t= 1.33, \ t= -0.24$

Time cannot be in negative. So neglect t = –0.235.

t = 1.33 sec

Hence Amy have to react 1.33 sec before the volleyball hits the ground.

3 0

3 years ago

How to work this out

Burka [1]

Answer:

2x^2+x^2

=3x

ohhhhhhh

ohhhhh

ihhh

8 0

2 years ago

Find the area of the figure.

3241004551 [841]

So the right answer is 8 1/8 ft^2.

look at the attached picture

Hope it will help you..

Good luck on your assignment..

4 0

3 years ago

Read 2 more answers

When simplified, the expression shown below can be written as which choice shown?

DanielleElmas [232]

(3) -34 is your answer

8 0

3 years ago

A soup bowl is in the shape of a hemisphere with a diameter of 10 cm. What is the approximate maximum volume of soup that the bo

Oduvanchick [21]

Answer:

3.48cm³ (approximated)

Step-by-step explanation:

The maximum water that bowl can hold = The volume of the bowl

$\boxed{ \mathsf{volume \: of \: bowl = \frac{2}{3} \times \pi \: r {}^{3} }}$

Radius is half of diameter.

Given -

Diameter = 10cm .

From the given data we can derive that the radius of the hemispherical bowl is 5cm (10/2)

Putting the known values into the formula to get the value of the volume of bowl :

$\mathsf{volume = \frac{2}{3} \times \: 3.14 \: \times {5}^{3} }$

= 3.48888cm³

= 3.48cm³

5 0

3 years ago