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Dafna11 [192]
3 years ago
5

What is the measure of bac 50 80 100 130

Mathematics
2 answers:
allochka39001 [22]3 years ago
7 0

Answer: The answer to your question is 80

Step-by-step explanation: The first thing you do is set up your problem to find the side measure of bac, which is an angle they are looking for. The problem would look like this:

180-50+50

180-100

=80 degrees

VMariaS [17]3 years ago
4 0

Answer:

80

Step-by-step explanation:

The measure of a triangle is 180.

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ABCD is a rectangle. if AC = 3y/5 anf BD= 3(y-4), find the length of each diagonal
Digiron [165]
Remember please that Diagonals of a Rectangle are equal to each other:<span> 3y/5 = 3(y-4)
So 
</span><span>3y = 15(y-4)
3y = 15y - 60
60 = 12y
y = 5 Diagonals are both 3 units
With that you will be able to know which is the answer from your options</span>
3 0
3 years ago
What is the probability a day in the 70s is a Monday?
Degger [83]

Answer:

a) Probability of a day with temperature in the 70s = 0%

b) The set of the intersection of Tuesdays and days with temperature in the 80s is an empty or null set.

c) Probability an observation picked at random is both a Sunday and more than 90 degrees

= 0.10 = 10%

Step-by-step explanation:

The table of data for this question was obtained online and attached to this solution

Note that the probability of an event is defined as the number of elements in that event divided by the Total number of elements in the sample space.

a) What is the probability a day in the 70s is a Monday?

Of the days with temperature in the 70s (only one day, which is a Sunday), none of them are Mondays, hence, the probability of a day with temperature in the 70s being a Monday is 0%.

b) Which set forms the intersection of Tuesdays in the 80s?

Acvording to the data available, the set of Tuesdays with temperatures in the 80s is an empty set. Hence, this set is a null set.

c) What is the probability an observation picked at random is both a Sunday and more than 90 degrees?

The number of Sundays with temperature more than 90 degrees = 3

The total number of observations available = 30

Probability an observation picked at random is both a Sunday and more than 90 degrees = (3/30) = 0.10 = 10%

Hope this Helps!!!

7 0
3 years ago
The solution system to 3y-2x=-9 and y=-2x+5
Alecsey [184]

Answer:

\boxed{(3,-1)}

Step-by-step explanation:

<em>Hey there!</em>

<em />

Well to find the solution the the given system,

3y - 2x = -9

y = -2x + 5

So to find x lets plug in -2x + 5 for y in 3y - 2x = -9.

3(-2x + 5) - 2x = -9

Distribute

-6x + 15 - 2x = -9

-8x + 15 = -9

-15 to both sides

-8x = -24

Divide -8 to both sides

<u>x = 3</u>

<u />

Now that we have x which is 3, we can plug in 3 for x in y = -2x + 5.

y = -2(3) + 5

y = -6 + 5

<u>y = -1</u>

<u><em /></u>

So the solution is (3,-1).

<em />

<em>Hope this helps :)</em>

4 0
3 years ago
Simplify this expression<br> 4x(7x^2)<br> A 11x^2<br> B. 28x^2<br> C. 11x^3<br> D. 28x^3
slega [8]

Answer:

28 x^3

Step-by-step explanation:

4x(7x^2)

4 * x* 7* x*x

4*7   x*x*x

28 x^3

7 0
3 years ago
Read 2 more answers
Compare 2/5 and 1/10. what is the denominator
omeli [17]
1/5 five being the denominator, because in math you must always simplify
7 0
3 years ago
Read 2 more answers
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