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2 years ago

Thankyousm!! please help me

Mathematics

1 answer:

horrorfan [7]2 years ago

3 0

4x10^8 = 400,000,000 so that’s your answer

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In Panama City in January high tide was at midnight. The water level at high tide

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2 years ago

Find the solution to the system of linear equations y = 5x + 4 and y = −3x + 12 using the intersection method. Check your answer

Umnica [9.8K]

Answer:

The solution to the system of linear equations is (1,9).

Step-by-step explanation:

The given system of linear equations

$y=5x+4$ ... (1)

$y=-3x+12$ .... (2)

Subtract equation (2) from equation (1) to eliminate y.

$y-y=(5x+4)-(-3x+12)$

$0=5x+4+3x-12$

On combining like terms, we get

$0=(5x+3x)+(4-12)$

$0=8x-8$

Add 8 on both sides.

$0+8=8x-8+8$

$8=8x$

Divide both sides by 8.

$1=x$

The value of x is 1.

Substitute x=1 in equation (1).

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$y=5+4$

$y=9$

The value of y is 9.

Therefore the solution to the system of linear equations is (1,9).

4 0

2 years ago

Please help with 27 28 29 and 30 this is due in the morning

NISA [10]

Answer:

Step-by-step explanation:

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2 years ago

Select the correct answer. Which function is the inverse of f(x) = -x^3 - 9?

joja [24]

Answer:

(2)

Step-by-step explanation:

Let f(x) = y → f-¹(x) = f(y) = x, f(y) is the inverse of f(x)

Thus,

=> -x³ - 9 = y

=> - y - 9 = x³

=> (-y - 9)^(1/3) = x

=> f(y) = x

Inverse is (-y-9)^(1/3)

Replacing the variable, inverse is (-x-9)^(1/3)

Option (2)

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2 years ago

What is the mean of the data set? 17, 24, 26, 13 Pls I need this fast

jek_recluse [69]

So the right answer is 20.

Look at the attached picture⤴

Hope it will help u...

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2 years ago

Read 2 more answers