All categories

3 years ago

HELPPPPP!!!!! PLSSSS!!! 10 POINTS!

Mathematics

2 answers:

Serga [27]3 years ago

6 0

Answer:

divide 81 by pi and then by 2

Step-by-step explanation:

Mandarinka [93]3 years ago

6 0

Answer:

C= 2pi x R

81= 6.28 x r

81 % 6.28 = r

r =12.89

Step-by-step explanation:

You might be interested in

Can someone please help

Masteriza [31]

19 hours is your answer

8 0

3 years ago

Read 2 more answers

You go to a store to pick up milk and cereal. You see that the milk costs $4

PolarNik [594]

Use the estimate but that should be more than the exact price

4 0

3 years ago

Read 2 more answers

MAXIMUM POINT WILL BE GIVEN!!! I NEED THIS RN!!!!!!!!!!!!!!!!!!!!!!!!!

Lemur [1.5K]

Answer:

Part a) The variables are

x (the number of packages of Twinkies that were sold)

y (the number o boxes of juice that were sold)

Part b) The system of equations is

$x+y=79$ and $1.65x+1.36y=118.17$

Part c) $x=37,y=42$

Part d) The value of y represent the number of boxes of juice that were sold $y=42\ boxes\ of\ juice$

The value of x represent the number of packages of Twinkies that were sold $x=37\ packages\ of\ Twinkies$

Step-by-step explanation:

Part a) Define the variables in this situation

Let

x-----> the number of packages of Twinkies that were sold

y----> the number of boxes of juice that were sold

Part b) Write a system of equations that model the problem

we know that

$x+y=79$ ------> equation A

$1.65x+1.36y=118.17$ ---> equation B

Part c) Use the linear combination method to find the solution to the system you wrote in part b

Multiply equation A by -1.65

$-1.65(x+y)=-1.65*79$

$-1.65x-1.65y=-130.35$ ------> equation C

Adds equation C and equation B

$-1.65x-1.65y=-130.35\\1.65x+1.36y=118.17\\---------\\-1.65y+1.36y=-130.35+118.17\\-0.29y=-12.18\\y=42$

Find the value of x

$x+y=79$

$x+42=79$

$x=79-42=37$

Part d) Using a complete sentence, explain what the solution found in part c represents

The value of y represent the number of boxes of juice that were sold

$y=42\ boxes\ of\ juice$

The value of x represent the number of packages of Twinkies that were sold

$x=37\ packages\ of\ Twinkies$

7 0

3 years ago

The interior angles formed by the sides of a quadrilateral have measures that sum to 360°

Marizza181 [45]

Answer:

I believe x = 34

Step-by-step explanation:

3 × 34 = 102

102 - 6 = 96

2 × 34 = 68

96 + 68 + 88 + 108 = 360

5 0

3 years ago

Write the equation of the line that passes through (4,8)and (4,6) write the equation in slope intercept form

Marianna [84]

Answer:

x = 4

Step-by-step explanation:

If you were to plot the given points, you would quickly see that this is a vertical line where x = 4 (a visual is always a good place to start).

Vertical lines have a slope that is undefined and are written in the form of x = .

If you had plugged into the slope formula $m = \frac{y_{2} - y_{1} }{x_{2} - x_{1} }$ , where ( $x_{1}, y_{1}$ ) is (4, 8) and ( $x_{2}, y_{2}$ ) is (4,6) the result would be as follows:

$m = \frac{y_{2} - y_{1} }{x_{2} - x_{1} }$

= $\frac{6 - 8}{4 - 4}$

= $\frac{-2}{0}$

Because you can not divide by 0, the slope is in fact undefined.

3 0

2 years ago