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Lunna [17]
3 years ago
11

What is the cosine of angle a? a. 8/17 b. 15/8 c. 15/17 d. 8/15

Mathematics
1 answer:
jolli1 [7]3 years ago
6 0
Check the picture below.

You might be interested in
Item 1 A bag contains 7 blue cards, 4 green cards, 6 red cards, and 8 yellow cards. You randomly choose a card. a. How many poss
egoroff_w [7]

Answer:

4 possible outcomes

Step-by-step explanation:

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.  

The size of the sample space is the total number of possible outcomes  

The event space is the number of outcomes in the event you are interested in.  

so  

Let

x------> size of the event space

y-----> size of the sample space  

so

P=\frac{x}{y}  

In this problem

<em>The probability of choose a blue card is </em>

x=7

y=7+4+6+8=25

substitute

P=\frac{7}{25}

<em>The probability of choose a green card is </em>

x=4

y=7+4+6+8=25

substitute

P=\frac{4}{25}

<em>The probability of choose a red card is </em>

x=6

y=7+4+6+8=25

substitute

P=\frac{6}{25}

<em>The probability of choose a yellow card is </em>

x=8

y=7+4+6+8=25

substitute

P=\frac{8}{25}

The sum of the probabilities of the 4 possible outcomes  is equal to

\frac{7}{25}+\frac{4}{25}+\frac{6}{25}+\frac{8}{25}=\frac{25}{25} ----> represent the 100%

4 0
3 years ago
The red and the blue triangles drawn on the line are similar.
zavuch27 [327]
Uh oh, this is a problem right ok whta is thus
4 0
3 years ago
???? please answer asap!
Eva8 [605]
I believe its C.
Im not 100% sure tho
3 0
3 years ago
Read 2 more answers
I really need help a and b
Ivan

Using BEDMAS

a) 6+4(2+3)^2
    6+4(5)^2  - Eliminate addition in bracket
    6+4(25)  - Execute the exponent
    6+100  - Mulitplying
    106 - Addition

b)(6+4)(2+3)
   (10)(5) -Addition in BRACKETS done
   50 - Mulipication

If you found that helpful please rate as "Brainiest" if not comment below :)

5 0
3 years ago
Read 2 more answers
May I please Get some help?
chubhunter [2.5K]
<span>The answer is:
</span>a. a greater curve
Thanks for choosing brainly and let me know if you have any questions, hope you have a great day!
5 0
3 years ago
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