3 years ago

Study the equations.

1 answer:

6 0

Answer:

I'm not exactly sure what you want me to do but try using Symbolab bc it looks really confusing when you write it on here

Step-by-step explanation:

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In circle R with QRS=90 and QR= 3 units find the length of arc QS round to the nearest hundredth

luda_lava [24]

Hello, I Am BrotherEye

Answer:

27.92 units

Step-by-step explanation:

Radius (qr) = r = 16 units

<QŘS = θ = 82°

Length of an arc = (Θ / 360) * 2πr

L = (θ / 360) *2πr

L = (82 / 360) * 2π * 16

L = 0.2777 * 100.53

L = 27.917 units

L = 27.92 unit

Best Of Luck

BrotherEye

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3 years ago

Vertical angles are opposite angles with the same vertex true or false

Sati [7]

True
Vertical angles are opposite angles with the same vertex

4 0

4 years ago

Suppose you have $245. If you decide to spend it all on ice cream, you can buy 70 pints. If the price of a glass of lemonade is

guajiro [1.7K]

Answer:

198

Step-by-step explanation:

7 0

3 years ago

Solve the following exponential equations. 10^(x+1) − 10^(x−1) = 1287

Rudiy27

Answer:x=2.114

Step-by-step explanation:

Given

$10^{x+1}-10^{x-1}=1287$

$10\times 10^x-\frac{10^x}{10}=1287$

Let $10^x=y$

$10y-\frac{y}{10}=1287$

$\frac{100y-y}{10}=1287$

$99y=1287\times 10$

$y=\frac{12870}{99}=130$

$10^x=130$

Taking $\log$ both sides

$x\log (10)=\log (130)$

$x=\frac{\log (130)}{1}$

$x=2.114$

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3 years ago

What is the most important thing that must be true about a sample so that you can make a valid inference about population

exis [7]

Unless you have some other choices, I'd have to say Stratification, to make sure the groups are representative and heterogeneous.

I hope I helped.

4 0

4 years ago