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faltersainse [42]
3 years ago
11

Amber surveyed a random sample of 100 students from her middle school to learn more about what type of school lunches are prefer

red. The table below shows the result of the survey:
Hamburgers Spaghetti Pizza
Sample #1 44 43 13
Sample #2 39 41 20
Which of the following inferences can be made based on the data? (5 points)

a
Hamburgers are the most preferred lunch.

b
Pizza is two times more popular than spaghetti.

c
Pizza is two times more popular than hamburgers.

d
Hamburgers and spaghetti are preferred almost equally.
Mathematics
1 answer:
Alex787 [66]3 years ago
5 0

Answer:

d Hamburgers and spaghetti are preferred almost equally.

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Y = x2 + 12x + 30<br> 8x − y = 10
faltersainse [42]
So you need the solve for x and y ?

from 8x-y = 10,
y = 8x -10

Plug this in other equation.
8x-10 = x^2 +12x + 30

Re-arrange and combine like terms,
x^2 +12x -8x +30+10 = 0
x^2 +4x +40 = 0

This does not have any real solutions.
So there are no real values of x and y satisfying the 2 equations.

Are you sure the question is correct? or if this question belongs to complex numbers topic?
3 0
3 years ago
Simplify the expression: -2.3f+0.8f - 12-5
MaRussiya [10]

Answer:

-1.5f - 17

Step-by-step explanation:

-2.3f + 0.8f - 12 - 5

= -1.5f - 17

8 0
3 years ago
Find the missing side length of the right triangle. show work.
motikmotik

Answer:

6.32

Step-by-step explanation:

To find the side length on a right angled triangle we follow The Pythagorean Theorem:

{a}^{2}  +  {b}^{2}  =  {c}^{2}

c being the hypothesis (longest side: the hypotenuse is always opposite the right angle)

so..

{6}^{2}  +   {2}^{2}  =  {x}^{2}  \\ 36 + 4 =  {x}^{2}  \\ 40 =  {x}^{2} \\  \sqrt{40}   =  \sqrt{ {x}^{2} } \\

6.32 = x

8 0
2 years ago
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0.02 x 1000 = 20, which is your answer
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A company manufactures tennis balls. When its tennis balls are dropped onto a concrete surface from a height of 100 ​inches, the
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