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3 years ago

8

A dance studio charges $12 per dance class. The studio is offering a 15% discount if you pay a set of 5 classes now. How much do

es it cost to buy 5 classes with this offer?

2 answers:

natita [175]3 years ago

8 0

The cost would be $51.00

Anika [276]3 years ago

6 0

Answer:

The cost might be or would be$53.00

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Enter the trigonometric equation you would use to solve for x. Do not solve the equation.

pentagon [3]

Answer:

$x=12\times \text{tan}(20^0)$

Step-by-step explanation:

From the figure attached,

Measure of an angle = 20°

Measure of the opposite side = x

Measure of the adjacent side = 12

By applying tangent rule in the given right triangle,

tan(20°) = $\frac{\text{Opposite side}}{\text{Adjacent side}}$

$\text{tan}(20^0)=\frac{x}{12}$

$x=12\times \text{tan}(20^0)$

Therefore, equation to get the value of 'x' will be,

$x=12\times \text{tan}(20^0)$

3 0

3 years ago

Please help me quickly

Alika [10]

Answer:

D

Step-by-step explanation:

Y is equal to 17x divided by 2

3 0

3 years ago

Please help! Does anyone know how to work this surface area question out???

Alik [6]

Surface area of a cylinder=(2xxradiusxheight)+(xradius^2x2)

Radius=Diameter/2
Radius=6/2
=3 m
Height=14 m
Surface area=(2xx3x14)+(x3^2x2)
Surface area=263.8937829+56.54866776
Surface area=320.4424507 m^2
=320.4 m^2

Tin of paint: 90 m^2/3.70 euros
Number of tins needed=320.4/90
=3.56 cans of paint
Price=3.56x3.70
Price=13.172 euros

Hope this helps!
P.S. the “^” sign means “to the power of”
ʕ•ᴥ•ʔ

6 0

3 years ago

Write an equation in slope-intercept form of the line that passes through (-1, 4) and (0, 2)

MrMuchimi

Answer:

y = -2x + 2

General Formulas and Concepts

<u>Pre-Alg</u>

Order of Operations: BPEMDAS

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

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

Step-by-step explanation:

<u>Step 1: Define</u>

Point (-1, 4)

y-intercept (0, 2)

<u>Step 2: Find slope </u><em><u>m</u></em>

Substitute: $m=\frac{2-4}{0+1}$
Subtract/Add: $m=\frac{-2}{1}$
Divide: $m=-2$

<u>Step 3: Write linear equation</u>

y = -2x + 2

4 0

3 years ago

I need help from people that know the answer is right!!PLEASE HELP ASAP

nikdorinn [45]

Radius=r=3ft

Its a sphere

$\boxed{\sf Volume=\dfrac{4}{3}πr^3}$

$\\ \sf\longmapsto Volume=\dfrac{4}{3}\times\dfrac{22}{7}\times 3^3$

$\\ \sf\longmapsto Volume=\dfrac{4\times 22}{7}\times 9$

$\\ \sf\longmapsto Volume=113.1ft^3$

5 0

3 years ago