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Harlamova29_29 [7]
3 years ago
15

Kevin and Mark took a random sample of 100 pieces of trail mix to determine the number of peanuts, raisins, and almonds in a con

tainer. If each container of trail mix is known to have 40% peanuts, 40% almonds, and 20% raisins, which sample is a better representation of the actual population?
Mathematics
2 answers:
sveta [45]3 years ago
8 0

Answer: Mark's sample is more representative.

Step-by-step explanation:

Ghella [55]3 years ago
8 0

Answer:

Marks answer is more representative

Step-by-step explanation:

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Find the value of x<br> a. 6<br> b. 12<br> c. 4<br> d. 10
Ede4ka [16]

Answer:

x=4

Step-by-step explanation:

Midpoint Theorem: The line joining the midpoints of two sides of the triangle is half of the length of the third side and parallel to it.

From the given figure we can see that BE is the line segment joining midpoints of two sides of the triangle. This means that

BE=\frac{1}{2} CD        [ By midpoint theorem]

Substituting values of the lengths of BE and CD

x+2=\frac{1}{2}\times 12

Simplifying and solving for x.

x+2=6

Subtracting both sides by 2

x+2-2=6-2

x=4

∴ x=4

5 0
3 years ago
Factor completely 8x2 − 4x − 84. 4(2x − 3)(x 7) 4(2x 3)(x − 7) 4(x − 3)(2x 7) 4(x 3)(2x − 7).
gizmo_the_mogwai [7]

The factor of the given equation  8x^{2} -4x-84 will be  4(x+3)(2x-7)

<h3>What will be the factor of the given equation?</h3>

Given equation is 8x^{2} -4x-84

Now taking 2 commons from the equation

4(2x^{2} -x-21)

now splitting the equation we get

4(2x^{2} +6x-7x-21)

4(2x(x+3)-7(x+3))

4(x+3)(2x-7)

Thus the factor of the given equation  8x^{2} -4x-84 will be  

4(x+3)(2x-7)

To know more about Factors of quadratic equation follow

brainly.com/question/1214333

7 0
2 years ago
How do you graph a circle x^2 + y^2=25 and the line is given y=2
Kazeer [188]
\bf \textit{equation of a circle}\\\\ &#10;(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2&#10;\qquad &#10;\begin{array}{lllll}&#10;center\ (&{{ h}},&{{ k}})\qquad &#10;radius=&{{ r}}&#10;\end{array}\\\\&#10;-------------------------------\\\\&#10;x^2+y^2=25\implies (x-0)^2+(y-0)^2=5^2

so notice above, the circle is centered at h,k or 0,0, the origin, and has a ratio of 5.

and y = 2, is just a horizontal line, check the picture below.

7 0
3 years ago
Simplify (-2x)^4<br> a.) -16x^4<br> b.) -8x^4<br> c.) -2x^4<br> d.) 8x^4<br> e.) 16x^4
kozerog [31]

answer

c.)

Step-by-step explanation:

(-2x)^4 = -2x^4

which is the same as answer c.)

4 0
2 years ago
Can anyone help with this ??
Lera25 [3.4K]

Answer:

68

Step-by-step explanation:

5 0
2 years ago
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