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2 years ago

6

Jake bought bought a set of drums that were on sale. The original price of the drums was $300. They were 10% off. How much was t

he sale price, before tax?

1 answer:

cestrela7 [59]2 years ago

7 0

Answer:

The sale price before tax was $270

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3u - 10 =23<br> Simplify your answer as much as possible.<br> Ü<br> Х

borishaifa [10]

Answer:

u=11

Step-by-step explanation:

3u - 10 = 20

3u-10+10=20+10 |+10

3u=33 |÷3

3/3*u=33/3

1*u=11

u=11

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2 years ago

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just olya [345]

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Q12 A driver sees this speed limit sign in France. The speed is in kilometres per hour

Ad libitum [116K]

Answer:

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3 years ago

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blagie [28]

Answer:

(-2, 2)

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2 years ago

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Need help with trigonometry

vovangra [49]

Answer:

$\sf \tan(A) & =\dfrac{9\sqrt{22}}{44}$

Step-by-step explanation:

If angle C is the right angle, then side c is the hypotenuse.

Use Pythagoras' Theorem $a^2+b^2=c^2$ to find the length of side a:

Given:

b = 2√22
c = 13

$\implies a^2+(2 \sqrt{22})^2=13^2$

$\implies a^2+88=169$

$\implies a^2=81$

$\implies a=\sqrt{81}$

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<u>Tan Trig Ratio</u>

$\sf \tan(\theta)=\dfrac{O}{A}$

where:

$\theta$ is the angle
O is the side opposite the angle
A is the side adjacent the angle

Given:

$\theta$ = A
O = side opposite angle A = a = 9
A = side adjacent angle A = b = 2√22

$\begin{aligned}\implies \sf \tan(A) & =\dfrac{9}{2\sqrt{22}}\\\\ & =\dfrac{9}{2\sqrt{22}} \times \dfrac{\sqrt{22}}{\sqrt{22}}\\\\ & = \dfrac{9\sqrt{22}}{44} \end{aligned}$

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1 year ago

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