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ololo11 [35]
3 years ago
7

- 2 \\ y = - 3x + 5" alt="y = 4x - 2 \\ y = - 3x + 5" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
fredd [130]3 years ago
8 0

Answer:

1

Step-by-step explanation:

Both expressions equal y so it means they're both equal to each other. So you can put them in an equation:

4x - 2 = -3x + 5

Move all constants to one side and variables to the other.

4x - 2 = -3x + 5

    +2           +2

-------------------------

4x = -3x + 7

+3x   +3x

-------------------------

7x = 7

Solve.

7x = 7

/7    /7

-----------

x = 1

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What is the best estimate of 45 percent of 76
marishachu [46]

Answer:

1/2(80)

Step-by-step explanation:

Well, 45% of 76 is 34.2

Which can be solved by converting 45% to .45 and then multiplied by 76

1/4(80) can be converted into .25*80 which is 20

1/5(80) can be converted into .20*80 which is 16

1/2(80) can be converted into .50*80 which is 40

1/9(80) can be converted into .11*80 which is 8.88

The closest one is 1/5(80) which solves the estimate,

5 0
3 years ago
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Bogdan [553]

Answer:

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Step-by-step explanation:

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3 years ago
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frutty [35]

Answer:

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Step-by-step explanation:

The volume of a sphere is given by:

V = \frac{4}{3}\pi r^{3}

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Having the radius and by using 3 for π, the volume is:

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Therefore, the volume of the sphere is 2048 in³.

I hope it helps you!        

4 0
3 years ago
Which of these is equal to cos 47Á? A) cos 43Á B) sin 43Á C) tan 43Á D) cos 133Á
andreyandreev [35.5K]
Correct answer is B.

\alpha+\beta=90^o&#10;\\ \cos{\alpha}=\sin{(90^o-\alpha)}&#10;\\ \cos{47^o}=\sin{(90^o-47^o)}=\sin{43^o}
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Aleks04 [339]
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4 years ago
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