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3 years ago

Solve for x by finding the missing side of the triangle. Round your answer to the nearest tenth.

Mathematics

1 answer:

kipiarov [429]3 years ago

7 0

Sin = oppo/hypo
Sin(33) = x/15
15sin(33) = x
x = 8.2

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Write an equivalent expression using the given property Part A:commutative property of multiplication. 3xy=. Part B:associative

Airida [17]

Answer:

part A: 3yx

Part B: (x+y)+z

C: 3xy-6x

Step-by-step explanation:

Commutative property: change the orders in which numbers are multiplied

associative: when all the integers are in addition you can add parentheses wherever u like

distributive: multiply the number just outside the parentheses with the every numbers inside the parentheses

Hope this heps!

4 0

2 years ago

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A bag contains 5 red marbles, 3 white marbles, and 4 blue marbles. what is the probability of randomly selecting a red marble, s

Orlov [11]

Answer:

Technically it is 5/12, but as a percentage it would be 41.6666%

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2 years ago

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The profit of a company receives is given by the expression 0.15(855p - 315) where p is the number of problems sold. Rewrite thi

Goryan [66]

The profit for 25 products sold and 150 products sold are 3159 and 19190.25 respectively.

Explanation

The profit of a company receives is given by the expression: $0.15(855p - 315)$

Simplifying this expression using distributive property, we will get .....

$0.15(855p - 315) \\ \\ = (0.15*855p)-(0.15*315)\\ \\ =128.25p-47.25$

So, the simplified expression for profit will be: $128.25p-47.25$

As $p$ represents the number of products sold, so for finding the profit for 25 products sold and 150 products sold, we need plug $p=25$ and $p=150$ separately into the above expression.

For $p=25$ , Profit $=128.25(25)-47.25 = 3206.25-47.25= 3159$

For $p=150$ , Profit $=128.25(150)-47.25 = 19237.50-47.25= 19190.25$

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2 years ago

Given two vectors A=2i+3j+4k,B=i-2j+3k find the magnitude and direction of sum (physics question)

Law Incorporation [45]

Answer:

$Magnitude =\sqrt{59} \\\\Direction \: of \: \overrightarrow{A + B} = \frac{3}{\sqrt {59}} , \:\frac{1}{\sqrt {59}} , \:\frac{7}{\sqrt {59}}$

Step-by-step explanation:

A=2i+3j+4k

B=i-2j+3k

Sum of the vectors:

A + B = 2i+3j+4k + i-2j+3k = 3i + j + 7k

$Magnitude =\sqrt{3^2 + 1^2+ 7^2} \\\\Magnitude =\sqrt{9+1+49} \\\\Magnitude =\sqrt{59}$

Direction of the sum of the vectors:

$\widehat{A + B} =\frac{\overrightarrow{A + B}}{Magnitude\: of \:\overrightarrow{A + B}} \\\\\widehat{A + B} =\frac{3i + j + 7k}{\sqrt {59}} \\\\\widehat{A + B} =\frac{3}{\sqrt {59}} i +\frac{1}{\sqrt {59}} j+\frac{7}{\sqrt {59}} k\\\\Direction \: of \: \overrightarrow{A + B} = \frac{3}{\sqrt {59}} , \:\frac{1}{\sqrt {59}} , \:\frac{7}{\sqrt {59}} \\\\$

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2 years ago

The birth weights for twins are normally distributed with a mean of 2353 grams and a standard deviation of 647 grams. use z-sco

kirill [66]

I think that the answer is B

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3 years ago

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