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3 years ago

6

Which angles are complementary to each other, will give brainliest

1 answer:

gayaneshka [121]3 years ago

8 0

3 nd 4

Step-by-step explanation:

hope this helps

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betty has 15 less than triple the number of points that jennie has. Write an expression to find how many points betty 1. has??

Troyanec [42]

3x - 15

less than or more than trick-------> the number before those words should be the second number in the equation

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4 years ago

Read 2 more answers

What are the roots of the function f(x) = (log(3x ) − 2 log(3)) · (x 2 − 1) with x ∈ R?

slavikrds [6]

$\huge\underline{\underline{\boxed{\mathbb {SOLUTION:}}}}$

Given:

▪ $\sf{f(x) = ( log(3x) - 2log(3))( {x}^{2} - 1) }$ $\ \sf{x \in R}$

Solve:

$\longrightarrow \sf{f(x) = (log(3x) - 2log(3))( {x}^{2} - 1) = 0}$

$\small\longrightarrow \sf{ log(3x) - 2 log(3) = 0 \: \: or \: {x}^{2} - 1 = 0 }$

$\small\longrightarrow \sf{ log(3x) - 2 log(3) = 0}$

$\small\longrightarrow \sf{ log(3x) - 2 log(3) = 0}$

$\small\longrightarrow \sf{ log(3x) - log( {3}^{2} ) = 0}$

$\small\longrightarrow \sf{log_{10}( \dfrac{3x}{9} ) = 0}$

$\small\sf{ \Longrightarrow \dfrac{3x}{9} = {10}^{0} }$

$\small\longrightarrow \sf{ \dfrac{x}{3} = 1}$

$\small \sf{x= \underline{3}}$

Next $\downarrow$

$\small\longrightarrow \sf{{x}^{2} - 1 = 0}$

$\small\longrightarrow \sf{ {x}^{2} = 1}$

$\small\longrightarrow \sf{x = \pm \sqrt{1} }$

$\small\sf{x= (\underline{1},-1)}$

$\small\longrightarrow \sf{ log(3x) = log(3( - 1)) \cancel{ \in}R}$

$\huge\underline{\underline{\boxed{\mathbb {ANSWER:}}}}$

$\small\bm{The \: \: roots \: \: of \: \: f(x) \: are \: 1 \: and \: 3.}$

4 0

2 years ago

Please answer this correcttly, I will give brainliest if it is correct and you get 13 points

kaheart [24]

Answer:

UNSCRAMBLE

Step-by-step explanation:

5 0

3 years ago

A musician performed at three local fairs. At the first he doubled his money and spent

ziro4ka [17]

Answer:

The Musician had $29 before performing at the fairs

Step-by-step explanation:

Let the initial amount musician has be x

At the first musician doubled his money and spent

$30 , this can be written as

2(x) -30---------------------------------(1)

At the second he tripled his money and spent $54.

3(2x -30) - 54

=> 6x-90-54

=> 6x- 144--------------------------------(2)

At the third, he quadrupled his money and spent $72

4( 6x- 144) - 72

24x - 576 - 72

24x -648-------------------------------(3)

At-last he had $48

24x -648 = 48

24x = 48+ -648

24x =696

x = $\frac{696}{24}$

x = 29

7 0

4 years ago

Identify the action-reaction pair when a softball player hits a home run

Mariulka [41]

Answer:

Newton's third law of motion states that every action has an equal and opposite reaction. In softball when the catcher catches the ball the two forces present are the mitt on the ball and the ball on the mitt. The two are equal and in opposite directions.

4 0

3 years ago