Mathematics, 22.09.2019 05:10 genyjoannerubiera

The measure of in degrees, is approximately 34.38 side lengths are 4, 5.3 ,and 7

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For 4^2+7^2-5.3^2 it equal 36.91 now for 2ab is that like this 2(4)(7) which equals 56 so is it supposed to look like this 36.91/56 which equals 0.66.

(theta)=cos^-1(0.66)

theta=0.849978 or 0.85 (I guess this is in radian form)

Converting it to degrees I think it is 0.85 = 48.70 degrees

48.70 does not equal 34.38 degrees so false right?

I think the answer is false. Is this correct did I make any mistakes? Please explain. Thank you!
The measure of in degrees, is approximately 34.38 side lengths are 4, 5.3 ,and 7

The measure of in degrees, is approximately 34.38 side lengths are 4, 5.3 ,and 7

Answer from: Quest

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) = +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3

Answer from: Quest

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

in this lesson, students will use double number lines and ratio reasoning to solve ratio problems. by partitioning double number lines into proportionate intervals, students will build an understanding of equivalent ratio relationships as those that are generated by multiplying or dividing two related quantities by the same number. this lesson will build upon students' prior understanding of multiplicative comparisons, number line reasoning and equivalent fractions (while highlighting the difference between equivalent fractions and equivalent ratios); and will build toward future work in this unit on building ratio tables, and work in future grades in proportionality, scaling, and expressing and graphing linear functions.

step-by-step explanation:

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

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The measure of in degrees, is approximately 34.38 side lengths are 4, 5.3 ,and 7...

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