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Marina86 [1]
3 years ago
7

You are given a bag of jelly beans. There are 7 red, 8 blue, 4 yellow, and 10 pink. Find the probability of drawing 3 blue in a

row with replacement (you replace the jelly bean back in the bag after you choose it).
Write your answer in decimal form.
Round to three decimal places.
Mathematics
1 answer:
77julia77 [94]3 years ago
4 0

Answer:

.021

Step-by-step explanation:

7 + 8 + 4 + 10 = 29

(8/29)³ = .021

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Parallelogram ABCD has vertices at A(2,-3), B(8,-6), Cl14,-3), and D(8,0)
OlgaM077 [116]

Answer:

The correct option is C.

Step-by-step explanation:

The vertices of ABCD are A(2,-3), B(8,-6), C(14,-3), and D(8,0).

Distance formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

The length of sides are

AB=\sqrt{(8-2)^2+(-6+3)^2}=\sqrt{36+9}=\sqrt{45}

BC=\sqrt{(14-8)^2+(-3+6)^2}=\sqrt{36+9}=\sqrt{45}

CD=\sqrt{(8-14)^2+(0-3)^2}=\sqrt{36+9}=\sqrt{45}

AD=\sqrt{(8-2)^2+(0+3)^2}=\sqrt{36+9}=\sqrt{45}

Since length of all sides are equation therefore the given parallelogram cannot be a rectangle.

Slope formula:

m=\frac{y_2-y_1}{x_2-x_1}

Slope of AB is

m_1=\frac{-6-(-3)}{8-2}=\frac{-3}{6}=\frac{-1}{2}

Slope of BC is

m_2=\frac{-3-(-6)}{14-8}=\frac{3}{6}=\frac{1}{2}

Since the slopes of two consecutive sides are not opposite reciprocals, therefore the given parallelogram is a rhombus. Option C is correct.

8 0
3 years ago
120 books increased by 55%
DiKsa [7]
Simplest way to do this:
 number of books= 120
 percentage represented by 120= 100%
 increase current percent by 55%= 155%

: . 55% increase = original number of books * (155%)
                           = 120 * (155/100)
                           = 186
6 0
4 years ago
3z-4=6z-17 how do solve
Maru [420]
3z-4=6z-17
-3z-4=-17 (subtracted the 6z from both sides)
-3z=-13 (added the 4 to both sides)
z=\frac{-13}{-3z} (divided both sides by -3z)
z=\frac{13}{3}
5 0
4 years ago
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Simplify 3.4×3.4-2.2×2.2 by (2.4+2.2) - 3.5 by 10.5
Annette [7]
3.4^2-2.2^2×4.6-3.5×10.5 would be the simplified expression.

Note that ^ is an exponential sign.



Hope it helped,

Happy homework!
8 0
3 years ago
Read 2 more answers
What is 3/4÷1/2<br> Mathematics
Yuliya22 [10]

Answer:

1.5 or 3/2 or 1 1/2

Step-by-step explanation:

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