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3 years ago

A scale on a hiking map shows that 3 inches represents 1.25, miles.

Mathematics

1 answer:

daser333 [38]3 years ago

4 0

Answer:

415

Step-by-step explanation:

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Which numbers are rational? select all that apply. A. pi B. √50 C. 2.3 D. √144

aev [14]

C. 2.3
D.√144

Rational roots or decimals are numbers that have an end point.

pi 'technically' never ends, while √50 = 7.07106781…, which never ends either


hope this helps

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3 years ago

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Write the slope intersect form of the equation. Through (8,1) perpendicular to y =1/2x +2

dolphi86 [110]

Answer:

Step-by-step explanation:

y= -(1/2)x - 5

6 0

2 years ago

Find the measure of the indicated angle to the nearest degree.

makvit [3.9K]

You would do tanƟ = 9/12
tan^-1(9/12) = Ɵ
Ɵ = 36.87 degress
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8 0

3 years ago

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About 33% of people who get their feet examined are found to have an ingrown toenail. What is the probability of a podiatrist ex

enot [183]

Answer:

The correct answer is 0.94147

Step-by-step explanation:

Let A denote the event that the podiatrist finds the first person with an ingrown toenail.

And (1 - A) denote the event that the podiatrist does not find the ingrown toenail.

While examining seven people, the podiatrist can find the very first person to have an ingrown toenail. Similarly he can find the second patient to have the ingrown toenail. Going in this way the probability of the first person to have an ingrown toenail is given by:

= A + (1 - A) × A + (1 - A) × (1 - A) × A + (1 - A) × (1 - A) × (1 - A) × A + (1 - A) × (1 - A) × (1 - A) × (1 - A) × A + (1 - A) × (1 - A) × (1 - A) × (1 - A) × (1 - A) × A + (1 - A) × (1 - A) × (1 - A) × (1 - A) × (1 - A) × (1 - A) × A.

= $\frac{1}{3} + \frac{2}{3} \frac{1}{3} + \frac{2}{3} \frac{2}{3} \frac{1}{3} + \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{1}{3} + \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{1}{3} + \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{1}{3} + \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{2}{3} \frac{1}{3} .$

= $\frac{1}{3} + \frac{2}{3} \frac{1}{3} + (\frac{2}{3}) ^{2} \frac{1}{3} + (\frac{2}{3})^{3} \frac{1}{3} + (\frac{2}{3})^{4} \frac{1}{3} + (\frac{2}{3})^{5} \frac{1}{3} + (\frac{2}{3})^{6} \frac{1}{3}.$

= 0.94147

We can also solve the above expression by using the geometric progression formula as well where common ratio is given by $\dfrac{2}{3}$ .

8 0

3 years ago

What best decribes the area of polygon

Vikentia [17]

Area is the space inside a shape

7 0

3 years ago