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2 years ago

A circle with its dimensions in inches (in), is shown what is the area in square inches of half the circle

1 answer:

8 0

If you could tell us the dimensions of the circle we would gladly help you with your question. However it is almost impossible to find the area of half of the circle without knowing the dimensions.

Hope this helps!

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A garden hose having an internal diameter of 0.740 in. ( 1.8796 cm ) is connected to a lawn sprinkler that consists merely of an

lara31 [8.8K]

Answer:

It will leave the sprinkler at speed of $v_2=613.87m/sec$

Step-by-step explanation:

We have given internal diameter of the garden hose $d_1=0.740in=1.8796cm$

So radius $r_1=\frac{d_1}{2}=\frac{1.8796}{2}=0.9398cm$

So area $A_1=\pi r_1^2=3.14\times 0.9398^2=2.7733cm^2$

Water in the hose has a speed of 4 ft/sec

So $v_1=4ft/sec=121.92cm/sec(As\ 1ft/sec\ =30.48cm/sec)$

Number of holes n = 36

Diameter of each hole $d_2=0.1397cm$

So radius $r_2=0.0698cm$

So area $A_2=\pi r^2=3.14\times 0.0698^2=0.0153cm^2$

From continuity equation

$A_1v_1=nA_2v_2$

$2.7733\times 121.92=36\times 0.0153\times v_2$

$v_2=613.87m/sec$

7 0

3 years ago

Explain the difference between function and relation and the relationship between the domain and the range of a function.

Kazeer [188]

Given two sets X and Y, a relation between X and Y freely associates elements of X with elements of Y, with no restrictions.

A function is a relation with some restrictions: there must be exactly one element of Y connected with each element of X.

The set X is called the domain of the function, and it represents all the possible inputs that we can feed the function with. As we just said, every element of the domain must have a correlated element in Y.

The set Y is called the range of the function, and it represents all the possible outputs that the function can return.

7 0

2 years ago

The number 260 is separate into two parts of the first part is eight more than three times the second part. what are the two num

bagirrra123 [75]

Answer:

63 & 197

Step-by-step explanation:

$260 = (3x + 8) + x$

$260 = 4x + 8$

$x = 63$

Thus second number is 3*63+8=197

5 0

3 years ago

Read 2 more answers

4)What kind of shape do the parametric equations make?X= 7sin(theta), y= 2cos(theta)

Monica [59]

Answer:

Ellipse

Step-by-step explanation:

Given

$x = 7sin\theta$

$y= 2cos\theta$

Required

The kind of shapes with such equations

This answer to this question is(B) Ellipse

The parametric equation of an ellipse is represented as:

$x = asin(\theta)$ and $y = bcos(\theta)$

In this case:

$a=7\ b = 2$

So:

$x = 7sin\theta$ and $y= 2cos\theta$

5 0

2 years ago

NO FAKE ANSWERS PLEASE IM BEGGING YOU 40 POINTS!!!!!! PLEEASEEEE HELP!!!!!!!!!!!!!! I already solved half of it pls help on part

Vikki [24]

Answer:

Part 1

Given equation:

C(t) = -0.30 (t – 12)² + 40

For t = 0

C(t) = -0.30 (0 - 12)² + 40

C(t) = -0.30 (-12)² + 40

C(t) = -3.2

For t = 12 (noon)

C(t) = -0.30 (12 - 12)² + 40

C(t) = -0.30 (0)² + 40

C(t) = 40

For t = 24 (midnight)

C(t) = -0.30 (24 - 12)² + 40

C(t) = -0.30 (12)² + 40

C(t) = -0.30 × 144 + 40

C(t) = - 43.2 + 40

C(t) = -3.2

Part 2

attached below

Part 3

C(t) = –0.30(t – 12)² + 40

F(t)=9/5C(t)+32

Substituting the values:

F(t)=9/5{–0.30 (t – 12)² + 40}+32

F(t) = -0.54 (t – 12)² + 72 + 32

F(t) = -0.54 (t – 12)² + 104

5, 6 and 7, should be simplish

good luck, i hope this helps :)

Step-by-step explanation:

3 0

2 years ago