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anzhelika [568]

3 years ago

11

A chord 24 inches long is 5 inches from the center of a circle as shown below what is the radius of the circle to the nearest te

nth of an inch ?

1 answer:

gavmur [86]3 years ago

5 0

I assume they mean 5 inches perpendicular to the center or something like that. We need to know that those

lines form a right angle. Anyway, this is just a simple application of the Pythagorean Theorem

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An acute angle θ is in a right triangle with sin θ = seven eighths. What is the value of cot θ?

olga2289 [7]

Draw a right triangle ABC, with m(CAB)=∅.

Let CB=7 units, AC=8 units, so by the Pythagorean theorem:

$AB= \sqrt{ AC^{2} - BC^{2} }= \sqrt{ 8^{2} - 7^{2} }= \sqrt{64-49} = \sqrt{15}$ (units)

so we have drawn a triangle where sin∅=7/8

in this triangle, cot∅=(adjacent side)/(opposite side)= $\frac{ \sqrt{15} }{7}$

Answer: <span>square root of fifteen divided by seven</span>

6 0

3 years ago

Which parabola will have a minimum value vertex?

hichkok12 [17]

Answer:

The last choice.

Step-by-step explanation:

That would be the last one, with a minimum value of -4.

8 0

3 years ago

Read 2 more answers

Evaluate.<br><br> f(x)=17-5x at x=a-3

bulgar [2K]

I hope this helps

x= 17/5

8 0

2 years ago

Rewrite the expression with rational exponents as a radical expression

Ann [662]

Answer:

$5\sqrt[4]{x}$ or the fourth answer

Step-by-step explanation:

Apply the rule $x^{\frac{m}{n}}=\sqrt[n]{x^m}$ to rewrite the exponentiation as a radical.

$5\sqrt[4]{x^1}$

Anything raised to 1 is the base itself.

Answer = $5\sqrt[4]{x}$

Plz mark me brainliest, hope this helps.

8 0

3 years ago

A candle burned at a steady rate. After 37 minutes, the candle was 11.2 inches tall. Eighteen minutes later,

irinina [24]

Answer:

i think the answer is 4.65 inches tall.

Step-by-step explanation:

i attempted it this may be wrong just wait for someone to confirm it.

3 0

3 years ago