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3 years ago

Does a plane have a definite beginning and end?

Mathematics

1 answer:

Lorico [155]3 years ago

5 0

Technically no. It extends forever in the X and Y axis, but does not have a Z axis.

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Find the surface area of the prism A. 90 cm^2 B. 96 cm^2 C. 150 cm^2 D. 156 cm^2

creativ13 [48]

Answer:

D. 156 cm²

Step-by-step explanation:

The full surface area is:

S = Ph + 2B = (3 + 4 + 5)*12 + 2(1/2*3*4) = 144 + 12 = 156 cm²

Correct choice is D

3 0

2 years ago

Read 2 more answers

Polygon Y is a scaled copy of Polygon X using a scale factor of \dfrac13 3 1 start fraction, 1, divided by, 3, end fraction. P

emmainna [20.7K]

Answer:

Polygon Y's area is one ninth (1/9) of Polygon X's area

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

In this problem

Let

z-----> the scale factor

a-----> Polygon Y's area

b----> Polygon X's area

$z^{2}=\frac{a}{b}$

we have

$z=\frac{1}{3}$

substitute

$(\frac{1}{3})^{2}=\frac{a}{b}$

$\frac{1}{9}=\frac{a}{b}$

$a=\frac{1}{9}b$

therefore

Polygon Y's area is one ninth (1/9) of Polygon X's area

8 0

3 years ago

Find the coordinates of P so that P partitions segment AB in the part-to-whole ratio of 1 to 5 with A(-9, 3) and B(1, 8). Explai

ycow [4]

For both problems, we can use the section formula.

1) $P=\left(\frac{(1)(1)+(5)(-9)}{6}, \frac{(1)(8)+(5)(3)}{6} \right)=\boxed{\left(-\frac{22}{3}, \frac{23}{6} \right)}$

2) $Z=\left(\frac{(2)(7)+(1)(1)}{3}, \frac{((2)(5)+(1)(2)}{3} \right)=\boxed{(5, 4)}$

4 0

1 year ago

From a balloon 760 feet high, the angle of depression to the ranger headquarters is 89°18'. How far is the headquarters from a p

Gnom [1K]

Answer:

9 ft

Step-by-step explanation:

let x be the required distance.

$\frac{760}{x} =tan~ 89^\circ18 '\\x=\frac{760}{tan~89^\circ 18' } =\frac{760}{tan~89 \frac{18}{60}} =\frac{760}{tan~89.3^\circ} \\or~x \approx 9~ft$

6 0

3 years ago

Help ASAP What's the remainder of 8,595 ÷ 24?

mart [117]

Answer:

R = 3

Step-by-step explanation:

8595 / 24 = 358.125

24 * 358 = 8568

8595 - 8592 = 3

4 0

2 years ago