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pshichka [43]
3 years ago
11

Answer correct for brainliest and a thanks ! Don't answer if you don't know it please :) and it's blurry some so just zoom in !

Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0
The percent of variation is 85.1%.  If you enter the numbers into a calculator and store the regression equation, it will be the r^2 value when calculated.
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PLEASE HELP!!! I will give brainliest and give a shoutout for whoever answers this and if I don't, hold me accountable.
kolbaska11 [484]

Answer:

\frac{dy}{dx}  =  \frac{ \sin(y)  - y \cos(x) }{ \sin(x) - x \cos(y)  }

6 0
3 years ago
The ice cream parlor serves spherical scoops of ice cream with a radius of 1 in. What is the approximate volume of 2 scoops of i
Varvara68 [4.7K]

Answer: 8.37 in³

Step-by-step explanation:

Given the following :

Shape of icre cream scoop = sphere

Radius (r) = 1 inch

Volume of a scoop of icecream = volume of sphere :

4/3πr³

(4/3) × 3.14 × 1³

1.333 × 3.14 × 1

= 4.1867 in³

Hence, the volume of 2 scoops of ice cream will be :

2 × ( volume of a scoop of ice cream)

(2 × 4.1867) in³

= 8.37 in³

6 0
2 years ago
Which three-dimensional figure has a cross section in the shape of a trapezoid if it is sliced by a plane that is parallel to a
Serhud [2]
The three-dimensional figure that will produce a trapezoid if its cross section was cut by a plane that is not parallel to its base is the rectangular pyramid. If a plane was cut parallel to the base of the pyramid, the shape that would be produced would be a rectangle.
5 0
3 years ago
Read 2 more answers
Estimate the amount of tip to include if you want to leave a 20% tip on a Lyft ride of<br> $8.
tankabanditka [31]

Answer:

1.6$

Step-by-step explanation:

first you multiply 8 with 20 and then divide it with 100

you will get the answer of 1.6$

6 0
2 years ago
The cost of 6 sandwiches and 4 drinks is $53. The cost of 4 sandwiches and 6 drinks is $47. How much does one sandwich cost?
melomori [17]

In this question, we're trying to find cost of one sandwich.

To find this, we must make a systems of equation from the given information:

We would represent sandwiches as "s" and drinks as "d".

Systems of equations:

6s + 4d = 53

4s + 6d = 47

Solve for s:

6(6s + 4d = 53)

-4(4s + 6d = 47)

36s + 24d = 318

-16s - 24d = -188

--------------------------

20s = 130

Divide both sides by s

s = 6.50

This means that one sandwich costs $6.50

Answer:

$6.50

8 0
3 years ago
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