3 years ago

Which problem shows how many groups of 9 are in 45?

Mathematics

1 answer:

vivado [14]3 years ago

4 0

answer is D

hope this helpzzzzz

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Which of the following is the value of 2x' +5x+9 when x =10?

stealth61 [152]

Answer:

The correct answer is: 259.

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3 years ago

Plz help me plz it’s really important

Juli2301 [7.4K]

Answer:

The circle at point-2 is not filled which means-2 is not included whereas the circle at point 5 is filled which means 5 is included in the interval of the given line.

The interval notation for the above line

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3 years ago

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torisob [31]

- - Let's solve:

$0.7-1.3$

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3 years ago

Triangle AOC intersects a circle with center O. side AO is 10 inches and the diameter of the circle is 12 inches. What is the le

zvonat [6]

Answer:

$AC=8inches$

Step-by-step explanation:

It is given that triangle AOC intersects a circle with center O, side AO is 10 inches and the diameter of the circle is 12 inches, thus

OC is the radius of the circle and is equal to $\frac{D}{2}=\frac{12}{2}=6 inches$ .

Now, From ΔAOC, using the Pythagoras theorem, we get

$(OA)^{2}=(OC)^{2}+(AC)^{2}$

⇒ $(10)^{2}=(6)^2+(AC)^2$

⇒ $100=36+(AC)^2$

⇒ $64=(AC)^2$

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3 years ago

Find ∅ round to the nearest degree <br>A. 24° <br>B. 66° <br>C. 64° <br>D. 26°

Katyanochek1 [597]

Answer:

Step-by-step explanation:

Using the cosine ratio in the right triangle

cosθ = $\frac{adjacent}{hypotenuse}$ = $\frac{7}{16}$ , then

θ = $cos^{-1}$ ( $\frac{7}{16}$ ) ≈ 64° ( to the nearest degree )

7 0

3 years ago