2 years ago

Estimate the sum of $12.15, $16.85, and $1.74 by rounding each number to the nearest tenth

Mathematics

1 answer:

GREYUIT [131]2 years ago

7 0

Answer:

$29, rounding to nearest tenth.

Explanation:

$12.15 rounds to $12

$16.85 rounds to $17

$1.74 rounds to $2

Add the three numbers to get $29. Hope this helps!

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The answer is:

$y = \frac{1}{3} x - \frac{5}{3}$

Step-by-step explanation:

❃Incase you forgot what the linear equation formula is ☟

$y = mx + b$

❃Incase you also forgot, The is what the slope formula is ☟

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

➊ First: We are going to be solving for the slope.

$m = \frac{ - 5 - 0}{ - 10 - 5} = \frac{ - 5}{ - 15} = \frac{1}{3}$

➋Second: We find the y-intercept.

$y = mx + b \\ 0 = \frac{1}{3} (5) + b \\ 0 = \frac{5}{3} + b \\ \frac{ - \frac{5}{3} = - \frac{5}{3 } \: \: \: \: \: \: \: \: \: \: \: \: }{ - \frac{5}{3} = b}$

➌Third: Plug in.

$y = \frac{1}{3} x - \frac{5}{3}$

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42 ÷ 2 = 2.1 (Urban)

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2 years ago

Estimate the sum of $12.15, $16.85, and $1.74 by rounding each number to the nearest tenth​

Estimate the sum of $12.15, $16.85, and $1.74 by rounding each number to the nearest tenth