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3 years ago

Asap help !!

Mathematics

1 answer:

Lerok [7]3 years ago

5 0

Answer:

put it in a calculator, 8,000 times whatever number u need

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Simplify 1/3(4.5 + (-23) - 5.5)

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Answer:

The answer is............

-8

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What is the common difference for this arithmetic sequence?54,50,46,42,38,...

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Minus each number to figure out the common difference which is -4.

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3 years ago

Help!! BRAINLIEST TOO!

natulia [17]

Answer:

36.5 inches

Step-by-step explanation:

Given

See attachment for the given data

Required

Which length is closest to 4.2lb

The given data is a linear dataset.

So, we start by calculating the slope (m)

$m =\frac{y_2 - y_1}{x_2 - x_1}$

Pick any two corresponding points from the table

So, we have:

$(x_1,y_1) = (8,1.21)$

$(x_2,y_2) = (12,1.63)$

So:

$m =\frac{y_2 - y_1}{x_2 - x_1}$

$m =\frac{1.63 - 1.21}{12 - 8}$

$m =\frac{0.42}{4}$

$m =0.105$

The linear equation is then calculated using:

$y = m(x - x_1) + y_1$

This gives:

$y = 0.105 * (x - 8) + 1.21$

Open bracket

$y = 0.105x - 0.84 + 1.21$

$y = 0.105x + 0.37$

To get the length closest to 4.2lb,

we set $y = 4.2$

Then solve for x

So, we have:

$y = 0.105x + 0.37$

$4.2 = 0.105x + 0.37$

Collect like terms

$0.105x= 4.2 - 0.37$

$0.105x= 3.83$

Solve for x

$x= 3.83/0.105$

$x\approx 36.5$

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3 years ago

at the bank, Brent exchanges $50 in bills for 50 one-dollar coins. the total mass of the coins is 405 grams. Estimate the mass o

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Answer:

8.1 grams

Step-by-step explanation:

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3 years ago

If the radius of a circle is 3.5 what is the diameter

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Radius is half of the diameter so it's 7 for the diameter.

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