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olasank [31]
3 years ago
7

Please help me with this question

Mathematics
1 answer:
Anon25 [30]3 years ago
4 0
I'm not 100% but I think its going to be a positive answer choice. 

So i would say 1/2




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Yx*2; use x=7,And y=2
Lyrx [107]

Answer:

28

Step-by-step explanation:

First you plug in your x, and y to get (2)(7)*2

Then you just have to times them all together and you get 2*7=14 then 14*2=28

6 0
3 years ago
Question #4 i think my answer is wrong . thoughs anyone ?
9966 [12]

Answer:

2nd option is the correct one

5 0
3 years ago
Read 2 more answers
Given that XY is a line segment with the angle a = 48° and c = 59°, work out the value of the angle marked b.
olga nikolaevna [1]

Answer:

a+b+c = 180

48+59+b=180

107+b=180

b=180-107

b=73

6 0
2 years ago
(5 points) An urn contains two blue balls denoted by B1 and B2, and three white balls denoted by W1, W2 and W3. One ball is draw
never [62]

Answer:

The probability of the event that first ball that is drawn is blue  is \frac 25.

Step-by-step explanation:

Probability:

If S is is an sample space in which all outcomes are equally likely and E is an event in S, then the probability of E,denoted P(E) is

P(E)=\frac{\textrm{The number of outcomes E}}{\textrm{The total number outcomes of S}}

Given that,

An urn contains two balls B₁ and  B₂ which are blue in color and W₁,W₂ and W₃ which are white in color.

Total number of ball =(2+3) =5

The number ways of selection 2 ball out of 5 ball is

=5²

=25

Total outcomes = 25

List of all outcomes in the event that the first ball that is drawn is blue are

B₁B₁ , B₁B₂ , B₁W₁ , B₁W₂ , B₁W₃ , B₂B₁ , B₂B₂ ,  B₂W₁ , B₂W₂ , B₂W₃

The number of event that the first ball that is drawn is blue is

=10.

The probability of the event that first ball that is drawn is blue  is

=\frac{10}{25}

=\frac25

3 0
3 years ago
Which expression is equivalent to (5^4)^2<br> A. 25^8<br> B. 20^2<br> C. 5^8<br> D. 5^6
Yuliya22 [10]

Answer:

C. 5^8

to raise a power to another power, multiply the exponents

then multiply thr numbers

then u get 5^8

6 0
3 years ago
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