2 years ago

I need help finding these three angles

Mathematics

1 answer:

Vsevolod [243]2 years ago

8 0

Step-by-step explanation:

[ Refer to the attachment ]

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What are the apparent coordinates of the midpoint of diagonal AC?

photoshop1234 [79]

Point A is (-2,2) and point C is(3,0) so the midpoint is

$\left( \dfrac{-2 + 3}{2}, \dfrac{2 + 0}{2} \right) = \left( \dfrac 1 2, 1 \right)$

Choice A

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2 years ago

In the circle below, chord AB passes through the center of circle 0. If the radius OC is perpendicular to chord AB and has lengt

Airida [17]

Answer:

Option (C)

Step-by-step explanation:

In the given circle, AB is a chord passing through the center O.

Therefore,chord AB is a diameter of the circle and OC is the radius.

AO = OB = OC

OC⊥AB, and length of OC = 7 cm

By applying Pythagoras theorem in right ΔBOC,

BC² = OC² + OB²

BC = $\sqrt{OC^{2}+OB^{2}}$

= $\sqrt{7^2+7^2}$

= $7\sqrt{2}$

≈ 9.9 units

Therefore, Option (C) will be the answer.

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2 years ago

what's the final volume of a gas with an initial volume of 75ml if the pressure decreases from 300ml to 200ml? A. 50.0ml B.112.5

aivan3 [116]

300 ml ... 200 ml
75 ml ... x = ?

If you would like to know what is the final volume of a gas, you can calculate this using the following steps:

300 * x = 200 * 75 /300
x = 200 * 75 / 300
x = 50.0 ml

The correct result would be A. 50.0 ml.

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2 years ago

Read 2 more answers

If-2a > 6, then<br> -a>3<br> -a<3<br> -a<-3<br> -a>-3

chubhunter [2.5K]

Answer:

a < - 3

Step-by-step explanation:

Given

- 2a > 6

Divide both sides by - 2, reversing the symbol as a result of dividing by a negative quantity, thus

a < - 3

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2 years ago

Seven less than the quotient of x and 9

bulgar [2K]

X/9 - 7 is the answer. note x/9 is in fraction form

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2 years ago