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natali 33 [55]
3 years ago
12

A jar contains 2 red marbles, 5 blue marbles, and 1 green marble. What is the probability of selecting a red

Mathematics
1 answer:
mixer [17]3 years ago
5 0

Answer:

1/4

Step-by-step explanation:

2+5+1=8

8 divided by 100% =12.5%

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Provides a unique set of guidelines that can be applied to any triangle. The guidelines demonstrate a clear understanding of app
Oksi-84 [34.3K]

we can have a triangle  and we know that there are two angles. 

30º and a 45º + 105 =180º angle. applying the sides. 

therefore if we have the whole triangle completed we have a constant triangle. 


so it tell us we can you’se SOH CAH TOA 

we can varrify what kind of triangle we are using. 


for example if we were to use  Sin I would do 


Sin 30/ 2 = sin of 105º/ A = sin=45º/ B


if you would want to solve for  sin 30/2 and sin 105, then we solve. 

 

or Sin 30/2  and Sin 105 as well. 


with your calculator use sin= 30=.5  and use sin 105º a divide by 1.5 on both sides    1.5= A /sin 105º * 1.5   answer would be 3.86.  a is = to 3.86 (Not the answer)


5 0
3 years ago
(2x−6)+4(x−3) help finding the sum pls
aleksandr82 [10.1K]

Answer:

6x-18

Step-by-step explanation:

(2x-6)+4x-12

6x-18

4 0
2 years ago
I need help w number 5 pls !!
OleMash [197]

Answer:

<h2>122.5</h2>

Step-by-step explanation:

the parameter of B figure is

12+9+9+5

35

as we know the scale factor is 7/2

so the parameter of A figure is

35×7/2

122.5

5 0
2 years ago
In the figure below, ABD measures 41. What is the measure of ABC?​
rewona [7]

Answer:

The answer is 82 degrees.

4 0
2 years ago
Mike measured the height of an art frame as 6.33 feet, but the actual height was 7 feet. what is the percent of error in mike's
natulia [17]

Answer:

the error is 7-6.33=0.67

the percentage of error is (0.67/7)×100≈9.5%

6 0
1 year ago
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