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3 years ago

Please help, due soon. Find the length of the arc. Use exact answer

Mathematics

2 answers:

Simora [160]3 years ago

8 0

Answer:

off topic- and I'm sorry for that- but hi stay- :)

alisha [4.7K]3 years ago

7 0

Answer:

solution is in attachment

hope it helps

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Please explain I just started learning this

Digiron [165]

Answer:

x=5

y=7

Step-by-step explanation:

y = x+2 so plug that in the next equation as y

so it be --> 5x+(-4)(x+2)= -3 now use distributive property

(-4 times x)+(-4 times 2)= -4x+-8 replug that back in

5x-4x+-8 = -3 subtract your x

1x = x so ---> x+-8 = -3 now to get rid of -8 we have to add 8 to it

x= -3 but whatever you do to one side u do to the other so u have to add 8 to -3---> so it be x=5

now take that x=5 and plug it in to your first eqaiuton to get y

y=5+2 ---> y =7

6 0

3 years ago

Which of the following systems is dependent? x − y = 2 and x + y = −2 x − y = 2 and −2x + 2y = −4 x − y = 2 and 3x − 3y = 2 x −

hram777 [196]

A system is linearly dependent, when multiplying one of the equations by a scalar, you get the other equation.
We then have the following system of equations:
$x - y = 2

-2x + 2y = -4$
Let's rewrite the system of equations.
To do this, let's multiply equation 1 by scalar -2:
$-2x - (-2) y = (-2) 2

-2x + 2y = -4$
We observe that we obtain equation 2 of the system.
Therefore, the system is linearly dependent.
Answer:
the following system is dependent:
x - y = 2 and -2x + 2y = -4

6 0

3 years ago

Adriyana wants to determine the difference quotient

S_A_V [24]

Answer:

The answer is B

Step-by-step explanation:

8 0

3 years ago

A student spend $56.35 on school supplies at a store where the sales tax is 6.5%. What is the total cost of the supplies?

ArbitrLikvidat [17]

Answer:

$60.01

Step-by-step explanation:

To find tax you first multiply the original price x the tax(make sure to change it into a decimal)

56.35 x 0.065 =3.66

Then you add the original price and the result.

56.35 + 3.66 = $60.01

7 0

3 years ago

Help with number 19??

schepotkina [342]

We have to choose two points of this graph:
A(5,0)
B(0,-4)
And we have to compute the slope:
Given two points A(x₁,y₁) and B(x₂,y₂) the slope between these points would be:
m= slope
m=(y₂-y₁)/(x₂-x₁)

In this case:
m=(-4-0)/(0-5)=-4/(-5)=4/5

Answer: the slope would be 4/5 and all of these answer would be wrong.

3 0

4 years ago