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3 years ago

Use the diagram below. Is each statement true?

Mathematics

2 answers:

Schach [20]3 years ago

5 0

Answer:

Option (C)

Step-by-step explanation:

First draw the diagram

When the sum of two angles is 90 degree, the angles are complementary to each other.

When the sum of two angles is 180 degree, the angles are supplementary to each other.

Angle EOD and angle DOC are adjacent to each other.

Romashka [77]3 years ago

3 0

EOD and ∠DOC are adjacent angles yes

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Match the factored form

Brut [27]

(3x - 8)(3x + 8) is 3.) 9x^2 - 64
(x + 6)^2 is 4.) x^2 + 12x + 36
(3x - 2)(x + 5) is 1.) 3x^2 + 13x - 10
5x(x - 1)(x + 7) is 2.) 5x^3 + 30x^2 - 35x
(x - 8)(x + 7) is 5.) x^2 - 10x + 16

I hope this helps!

7 0

3 years ago

The 1992 world speed record for a bicycle (human-powered vehicle) was set by Chris Huber. His time through the measured 200 m st

Reil [10]

Answer:

a) 30.726m/s and b) 5.5549s

Step-by-step explanation:

a.) What was Chris Huber’s speed in meters per second(m/s)?

Given the distance and time, the formula to obtain the speed is

$v=\frac{d}{t}$ .

Applying this to our problem we have that

$v=\frac{200m}{6.509s}= 30.726m/s$ .

So, Chris Huber’s speed in meters per second(m/s) was 30.726m/s.

b) What was Whittingham’s time through the 200 m?

In a) we stated that $v=\frac{d}{t}$ . This formula implies that

$t=\frac{d}{v}$ .

First, observer that $19\frac{km}{h} =19,000\frac{m}{h}=\frac{19,000}{3,600}m/s= 5.2777m/s$ .

Then, Sam Whittingham speed was equal to Chris Huber’s speed plus 5.2777 m/s. So, $v=30.726\frac{m}{s} +5.2777\frac{m}{s}= 36.003 m/s.$

Then, applying 1) we have that

$t=\frac{200m}{36.003m/s}=5.5549s.$

So, Sam Whittingham’s time through the 200 m was 5.5549s.

5 0

3 years ago

What is the area of this circle?

Juli2301 [7.4K]

Answer:

The area will be<u> </u><u>113.1</u>

Step-by-step explanation:

hope it helps u

have a great day

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3 years ago

ILL MARK YOU BRAINLIEST Factor completely 3ab(x + 1) − 2(x + 1).

Nuetrik [128]

Part one of answering how to factor

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3 years ago

Write an expression that represents the sum of x and 8

krok68 [10]

Answer:

$x+8$

Step-by-step explanation:

we know that

The phrase " the sum of x and 8" is equivalent to adds the number x and the number 8 or sum the number x plus the number 8

$x+8$

6 0

3 years ago