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Nostrana [21]
2 years ago
5

HELPP, solve for x and y

Mathematics
2 answers:
tatuchka [14]2 years ago
8 0

Answer:

x is 37° and y is 97°

Step-by-step explanation:

{ \tt{x + 23 \degree = 60 \degree}} \\ { \tt{x = 60 - 23}} \\ { \tt{x = 37 \degree}}

{ \tt{y + 23 \degree = 120 \degree}} \\ { \tt{y = 120 - 23}} \\ { \tt{y = 97 \degree}}

Triss [41]2 years ago
5 0

Answer:

x=23, y=157

Step-by-step explanation:

23 and x are on equalivent sides of the rhombus so they are equal. To solve for y you have to multiple 23 by 2. Getting 46 you subtract that from 360 to get 314. Dividing 314/2 you get 157.

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Suppose a jar contains 5 red marbles and 25 blue marbles. If you reach in the jar and pull out one marble at random, do not repl
dsp73

Answer:

Probability that event will have both red marbles will be 2.3% or 0.023.

Step-by-step explanation:

Given:

Total red marbles=5

Total blue marbles=25

Total number of marbles =30

To Find:

The probability that both are red without replacement of marbles.

Solution:

Now

Total sample space is 30 and total red marbles are 5

For a event that getting red marble probability is ,

=Total red marbles /total marbles.

=5/30

=1/6

So probability if getting red marble is 1/6

<em>Now for second chance there will be 4 red marbles remaining and 29 total marbles so,</em>

In second chance  probability if getting red marble will be

=total red marbles present/total marbles remaining

=4/29

Now ,

The required probability will be getting both at a time

i.e probability getting red AND red marble so here AND operator which means multiple both the probability.

Probability both will have red =1/6*4/29

=4/(29*6)=2/(29*3)

=0.022988

=0.023

=2.3 %

8 0
3 years ago
Please help!<br><br> Fill in the missing number.
liq [111]

Answer:

21

Step-by-step explanation:

\left[\begin{array}{cc}5&9\\-6&9\end{array}\right] +6\left[\begin{array}{cc}-5&2\\7&8\end{array}\right]

Multiply the second matrix by 6.

\left[\begin{array}{cc}5&9\\-6&9\end{array}\right] +\left[\begin{array}{cc}-30&12\\42&48\end{array}\right]

Add the corresponding cells in each matrix.

\left[\begin{array}{cc}5-30&9+12\\-6+42&9+48\end{array}\right]

\left[\begin{array}{cc}-25&21\\36&57\end{array}\right]

3 0
2 years ago
A track coach made a two way table to show his runners gender and running category. Male: Sprints- 16 Middle distance- 11 Long d
hram777 [196]
There are 9 long distance male runners and 5 long distance female runners. This makes a total of 9+5 = 14 long distance runners.

Out of this total of 14 long distance runners, there are 9 males. So the probability as a fraction is 9/14

If you need the answer in decimal form, then use a calculator to get 9/14 = 0.642857 which is approximate.
3 0
2 years ago
Read 2 more answers
Please HELP !! Find the SLOPE of the LINE
dezoksy [38]

Answer: The slope is -2/1

Step-by-step explanation: We go 2 up and 1 to the left, meaning we get 2 over -1, to simplify, -2/1

Note: When we go down or to the left its negative, when we go up or to the right its positive

5 0
1 year ago
Read 2 more answers
3. Taylor has a $30.00 gift card that she can
Andrew [12]
7 journals is the answer
4 0
3 years ago
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