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eimsori [14]
2 years ago
9

A ___ problem is a mathematical problem dealing with the distance, rate, and time of an object traveling at a uniform rate of sp

eed.
Mathematics
1 answer:
andrezito [222]2 years ago
5 0

Answer:

Uniform motion problem

Step-by-step explanation:

Uniform motion problems are the problems of mathematics in which the problems are associated with distance, time, speed of the motion. The values of distance, time and rate of speed are stated in the questions. Any one value is to be found when the two are given. The distance covered by the object is calculated by multiplying the rate of the speed and the time in which the distance was covered.

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On a monday a friend says he will meet you again in 34 days. What day of the week will that be?
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On a Sunday?

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1 year ago
Suppose a friend is having difficulty solving -2(q-5) > -3(q+1). Explain how to solve the inequality, showing all the necessa
IgorC [24]

Firstly, use the distributive property of multiplication (A(B + C) = A×B + A×C) on -2(q - 5) and -3(q + 1): -2q+10>-3q-3

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3 years ago
Use a half-angle identity to find the exact value
Tatiana [17]

Given:

\cos 15^{\circ}

To find:

The exact value of cos 15°.

Solution:

$\cos 15^{\circ}=\cos\frac{ 30^{\circ}}{2}

Using half-angle identity:

$\cos \left(\frac{x}{2}\right)=\sqrt{\frac{1+\cos (x)}{2}}

$\cos \frac{30^{\circ}}{2}=\sqrt{\frac{1+\cos \left(30^{\circ}\right)}{2}}

Using the trigonometric identity: \cos \left(30^{\circ}\right)=\frac{\sqrt{3}}{2}

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

Let us first solve the fraction in the numerator.

            $=\sqrt{\frac{\frac{2+\sqrt{3}}{2}}{2}}

Using fraction rule: \frac{\frac{a}{b} }{c}=\frac{a}{b \cdot c}

            $=\sqrt{\frac {2+\sqrt{3}}{4}}

Apply radical rule: \sqrt[n]{\frac{a}{b}}=\frac{\sqrt[n]{a}}{\sqrt[n]{b}}

           $=\frac{\sqrt{2+\sqrt{3}}}{\sqrt{4}}

Using \sqrt{4} =2:

           $=\frac{\sqrt{2+\sqrt{3}}}{2}

$\cos 15^\circ=\frac{\sqrt{2+\sqrt{3}}}{2}

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3 years ago
jacobs puzzle has 84 pieces. Jacobs puts together 27 pieces in the morning. he puts together 38 more pieces in the afternoon. ho
elixir [45]
27 + 38 = 65 

84 - 65 = 19
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3 years ago
Read 2 more answers
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