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2 years ago

Convert 30 m/s to miles per hour. Use 1 mile per hour = 1.61 km/h

Mathematics

2 answers:

ss7ja [257]2 years ago

7 0

Answer:

1 = 1.61

30 = x

1.61 x 30 =

48.3

sukhopar [10]2 years ago

5 0

Answer:

67.08 m/h

Step-by-step explanation:

need to convert 30 m/s to km/h = 108 km/h

1 = 1,61

x=108

x=108/1.61

30 m/s = 67.08 m/h

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Which statement about g(x) = x^2 - 576 is true?

Zina [86]

Answer:

The second option.

Step-by-step explanation:

Let's see if this will work.

(x+24)(x-24)

Let's open the brackets

x^2 - 24x +24x - 576

= x^2 - 576

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2 years ago

3 /10 4/ 8 which one is bigger?

Olegator [25]

Answer:

4/8

Step-by-step explanation:

3/10 is 0.30 and 4/8 is 0.5

6 0

3 years ago

Zanzabum

Answer:

see below

Step-by-step explanation:

y = 8x − 9

y = 4x − 1

Since both equations are equal to y, we can set them equal to each other

8x-9 = 4x-1

Subtract 4x from each side

8x-4x-9 = 4x-4x-1

4x-9 = -1

Add 9 to each side

4x-9+9 = -1+9

4x = 8

Divide each side by 4

4x/4 = 8/4

x=2

Now find y

y = 4x-1

y = 4(2)-1

y = 8-1

y = 7

(2,7)

The point of intersection when the 2 lines are graphed is (2,7)

7 0

3 years ago

Read 2 more answers

Simplify. 6 to the power of 2+3 to the power of 2.<br><br><br> Thanks!

aleksandrvk [35]

Answer:

Step-by-step explanation:

6 to the power of 2 + 3 to the power of 2

6² + 3²

(6 × 6) + (3 × 3)

36 + 9

4 0

2 years ago

Julie and her brother go to Atlanta to ride the SkyView Ferris wheel. It measures 200 feet in diameter.

worty [1.4K]

Answer:

Part A) Circumference

Part B) $C=\pi D$

Part C) The distance traveled in one rotation is 628.32 feet

Step-by-step explanation:

Part A) we know that

The distance around the circle is equal to the circumference.

The Ferris Wheel have a circular shape

To find out the distance around the Ferris Wheel you should use the circumference

Part B) What is the formula needed to solve this problem?

we know that

The circumference is equal to multiply the number π by the diameter of the circle

$C=\pi D$

Part C) What is the distance traveled in one rotation?

we know that

One rotation subtends a central angle of 360 degrees

The distance traveled in one rotation is the same that the circumference of the Ferris wheel

we have

$D=200\ ft$ ----> diameter of the Ferris wheel

substitute in the formula of circumference

$C=\pi (200)\\C=200\pi\ ft$

assume

$\pi=3.1416$

$C=200(3.1416)=628.32\ ft$

therefore

The distance traveled in one rotation is 628.32 feet

3 0

2 years ago