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3 years ago

14

Jack says if you multiply a number by a fraction the product will always be smaller than what you started with. Is he correct? W

hy or why not? Give an example of why this is true, or why it is false.

1 answer:

Alexus [3.1K]3 years ago

6 0

Answer:

true and false

Step-by-step explanation:

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What is the distance between the points (-4, 2) and (1, -3) on the coordinate plane?

ruslelena [56]

Answer:

A. 7.07 units

Step-by-step explanation:

Use the distance formula for coordinates:

$d=\sqrt{(x_{2}-x_{1})^2 +(y_{2}-y_{1})^2 }$

Fill in the coordinates accordingly:

$d=\sqrt{(1-(-4))^2+(-3-2)^2}$

which simplifies down to

$d=\sqrt{25+25}$

which is of course

$d=\sqrt{50}$

Plug that into your calculator and you'll get the answer

4 0

3 years ago

In AGHI, h = 300 inches, G=30° and H=29º. Find the length of i, to the nearest<br> inch.

dalvyx [7]

Given:

In triangle GHI, h = 300 inches, G=30° and H=29º.

To find:

The length of i.

Solution:

We have, G=30° and H=29º.

Using angle sum property, we get

$m\angle G+m\angle H+m\angle I=180^\circ$

$30^\circ+29^\circ+m\angle I=180^\circ$

$59^\circ+m\angle I=180^\circ$

$m\angle I=180^\circ-59^\circ$

$m\angle I=121^\circ$

According to Law of sines,

$\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}$

Using Law of sines, we get

$\dfrac{h}{\sin H}=\dfrac{i}{\sin I}$

$\dfrac{300}{\sin 29^\circ}=\dfrac{i}{\sin 121^\circ}$

$\dfrac{300}{0.4848}=\dfrac{i}{0.8572}$

Multiply both sides by 0.8572.

$\dfrac{300}{0.4848}\times 0.8572=i$

$530.44554=i$

$i\approx 530$

Therefore, the length of i is about 530 inches.

6 0

3 years ago

HELP WHAT IS THE ANSWERS

Temka [501]

Answer: Letter Choice, (B) ====> 4,256 pi cm^2

Step-by-step explanation:

<u>Formula: Surface Area of Cylinder = (2pi ) (r^2 ) + 2pi (r) (h)</u>

<u>Showing Work:</u>

<u>Radius of the Base ===> 28cm</u>

<u>Height =====> 48cm </u>

(2pi ) (r^2) + 2pi (28)(48)

2 (pi) (r^2) + (circumference) (height)

2( pi) (r^2 + 2)( pi)(r)(h)

2 pi * (2) (r^2 + (2)(r)(h)

2pi * (r^2 + rh)

2(r)(pi)(r + h)

2( 28)(pi)(28 + 48)

56(pi)(76)

4256(pi)^2

<u>Therefore, Your Answer ======> Letter Choice; (B) ======> 4,256pi cm^2</u>

Hope that helps!!!!! : )

3 0

3 years ago

5. The point (-2, -3) is rotated 90 degrees counterclockwise using center (0, 0).

SSSSS [86.1K]

B. (−3, 2)

I think

so plz have a good rest of ur day

7 0

3 years ago

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In the game of roulette, a player can place a $4 bet on the number 10 and have a 1/38 probability of winning. If the metal ball

Ahat [919]

this one is kinda Hard ill do sum research and help

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3 years ago