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Trava [24]
11 months ago
9

ASAP PLEASE HELPPP PLEASE

Mathematics
1 answer:
torisob [31]11 months ago
3 0

Answer:

6

Step-by-step explanation:

\frac{DC}{4}=\frac{12}{8} \\ \\ DC=6

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An expirement consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be 4? Expr
ExtremeBDS [4]

Answer:

\dfrac{1}{12}

Step-by-step explanation:

Given:

Two fair number cubes i.e. two dice consisting the numbers 1, 2, 3, 4, 5, 6 on their faces and have equal probability of each number.

The dice are rolled.

To find:

Probability of getting the sum of two numbers as 4.

Solution:

First of all, let us have a look at the total possibilities when two dice are rolled:

([1][1], [1][2], [1][3], [1][4], [1][5], [1][6],

[2][1], [2][2], [2][3], [2][4], [2][5], [2][6],

[3][1], [3][2], [3][3], [3][4], [3][5], [3][6],

[4][1], [4][2], [4][3], [4][4], [4][5], [4][6],

[5][1], [5][2], [5][3], [5][4], [5][5], [5][6],

[6][1], [6][2], [6][3], [6][4], [6][5], [6][6])

These are total 36 possible outcomes.

For getting a sum as 4:

Possible number of favorable cases are 3 (as highlighted in BOLD in above)

Formula for probability of an event E can be observed as:

P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}

Required probability is:

\dfrac{3}{36} = \bold{\dfrac{1}{12}}

5 0
3 years ago
Find the sum and express it in simplest form. <br><img src="https://tex.z-dn.net/?f=%28b%20-%203x%29%20%2B%20%28%20-%205b%20%2B%
nevsk [136]
(b - 3x) + (-5b + 6x - 5) 
= b - 3x - 5b + 6x - 5
= b - 5b - 3x + 6x - 5
= -4b + 3x - 5
8 0
2 years ago
Which pairs of polygons are similar? Select each correct answer. Two trapezoids. The trapezoid on the left has horizontal bases
balu736 [363]

Answer:

*thinking*

Step-by-step explanation:

Yea Ima need you to add a picture of the pairs then I should be able to help. Ill follow so ill see when you update

8 0
3 years ago
Read 2 more answers
Jenny surveyed 40 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. Ano
Leno4ka [110]
C.) 30 since they both have 5's just take them out then subtract 50 and 20 *but make sure u take out the decimal though* so after u subtract u will get 30 then line it up and put the decimal back then it will be .30
7 0
3 years ago
Has a slope of 2 and goes through (5,1)
Slav-nsk [51]

Answer:

y = 2x - 9

Step-by-step explanation:

y= mx + b

plug in slope

y = 2x + b

plug in points

1 = 2 (5) + b

simplify

1 = 10 + b

subtract 10 each side

-9 = b

plug in to original equation

y=2x - 9

8 0
2 years ago
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