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2 years ago

FREE 10 POINTS!!! PUT ANYTHING HERE!!!! Merry Christmas :)

Mathematics

2 answers:

timurjin [86]2 years ago

6 0

Answer:

merry christmas

Step-by-step explanation:

nataly862011 [7]2 years ago

4 0

Answer:

Thanks and have an amazing day

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Gabriel bought a purse that was on sale at 10% off. If she paid $59.95, including tax, and the sales tax rate was 6%, how much d

pochemuha

Answer:

final price:56.56

tax amount: 3.39

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2 years ago

What is 9/10 divided by 3/4?

goldenfox [79]

Answer:

6/5

Step-by-step explanation:

hi! when dividing fractions, we use the KCF rule, which stands for keep,change,flip. we keep the first fraction the same, change the division symbol to multiplication, and flip the second fraction to its reciprocal. therefore, we now have:

9/10 * 4/3

now, we can multiply the numerators and denominators.

36/30

we can simplify this.

6/5

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3 years ago

Read 2 more answers

Complete the point slope equation of the line through (-5,7) and (-4,0)<br><br>y-7=

deff fn [24]

Point slope form: y-7= -7(x+5)

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3 years ago

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The circumference of a circle is 14 pi ft. Find its diameter, in feet

Valentin [98]

Answer:

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

3 0

3 years ago

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Which equations for the measures of the unknown

MAXImum [283]

Answer: Option B, Option C, Option E

Step-by-step explanation:

The options written correctly, are:

$A)x = cos^{-1}(\frac{a}{c})\\\\B) x = sin^{-1}(\frac{c}{b})\\\\C)x = tan^{-1}(\frac{c}{a})\\\\D) y = sin^{-1}(\frac{a}{c})\\\\ E)y = cos^{-1}(\frac{c}{b})$

For this exercise you need to use the following Inverse Trigonometric Functions:

$1)\ sin^{-1}(x)\\\\2)\ cos^{-1}(x)\\\\3)\ tan^{-1}(x)\\\\$

When you have a Right triangle (a triangle that has an angle that measures 90 degrees) and you know that lenght of two sides, you can use the Inverse Trigonometric Functions to find the measure of an angle $\alpha$ :

$1)\alpha = sin^{-1}(\frac{opposite}{hypotenuse}) \\\\2)\ \alpha =cos^{-1}(\frac{adjacent}{hypotenuse})\\\\3)\ \alpha=tan^{-1}(\frac{opposite}{adjacent})$

Therefore, the conclusion is that the angles "x" and "y" can be found with these equations:

$x=sin^{-1}(\frac{c}{b})\\\\x= cos^{-1}(\frac{a}{b})\\\\x=tan^{-1}(\frac{c}{a})\\\\\\ y=sin^{-1}(\frac{a}{b})\\\\y=cos^{-1}(\frac{c}{b})\\\\y=tan^{-1}(\frac{a}{c})$

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3 years ago

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