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podryga [215]
3 years ago
5

A restaurant customer left 1.65 as a tip the tax was 7% and the tip was 15% of the after tax cost which information is not neede

d to compute the bill after tax and tip what was the total bill
A.the customer left 1.65 as a tip
B.the tax was 7%
C.the customer left a 15% tip
D.all of this information is needed to solve the problem
Mathematics
1 answer:
guajiro [1.7K]3 years ago
4 0

Answer:

D. All of this information is needed to solve the problem

Thank you

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What is the secant of the circle?
MakcuM [25]
A secant is a line that intersects a circle at two points.
5 0
4 years ago
Please please help with question 18
Igoryamba
<h3>▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪</h3>

The Correct choice is :

  • y =  \dfrac{3}{5} x + 2

<h3><u>Explanation</u> :</h3>

As per given in the question, both the lines are parallel so they have equal slopes. that is slope of required line is :

  • \dfrac{3}{5}

now, let's use slope and the coordinates of the given points to find the equation of line in point - slope form :

  • y - y1 = m(x - x1)

  • (y - ( - 1)) =  \dfrac{3}{5} (x - ( - 5))

  • y + 1 =  \dfrac{3}{5} (x + 5)

  • 5(y + 1) = 3(x + 5)

  • 5y + 5 = 3x + 15

  • 5y = 3x + 15 - 5

  • 5y = 3x + 10

  • y =  \dfrac{3x + 10}{5}

  • y =  \dfrac{3}{5} x + 2

therefore , the correct choice is A

3 0
3 years ago
Trigonometric Identities Help
iren [92.7K]

Recall that


\sin^2\theta+\cos^2\theta=1


So we have


\sin^2\theta=1-\cos^2\theta=1-\left(\dfrac{\sqrt2}2\right)^2=1-\dfrac24=\dfrac12


So either \sin\theta=\pm\dfrac1{\sqrt2}=\pm\dfrac{\sqrt2}2.


Since \dfrac{3\pi}2, we expect \sin\theta, so we take the negative square root. Then


\sin\theta=-\dfrac{\sqrt2}2


This then means we have


\tan\theta=\dfrac{\sin\theta}{\cos\theta}=\dfrac{-\frac{\sqrt2}2}{\frac{\sqrt2}2}=-1

4 0
4 years ago
I need help with it pls help I will really appreciate it !
GuDViN [60]

Answer:

try with this link https://es.symbolab.com/solver/square-roots-calculator

Step-by-step explanation:

8 0
3 years ago
Solve the equation using elimination. Write your answer as an ordered pair.
IgorLugansk [536]

Answer:

(-3, 1).

Step-by-step explanation:

2x + 7y =  1        -------------(A)

x + 5y  =  2       Multiply this by -2:

-2x - 10y = -4    Add this equation to equation (A):

0 - 3y = -3

3y = 3

y = 1.

Substitute this in equation (A):

2x + 7(1) = 1

2x = -6

x = -3.

Check if these 2 values are correct in the second equation:

-3 + 5(1) = 2

2 = 2.

6 0
3 years ago
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