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Fed [463]
3 years ago
14

Mai conducted an experiment by flipping a fair coin 200 times. The coin landed heads up 110 times. Which statement about the

Mathematics
2 answers:
e-lub [12.9K]3 years ago
6 0

Answer:

B

Step-by-step explanation:

mylen [45]3 years ago
4 0

Answer:

b

Step-by-step explanation:

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Sales at a book store increased from 5000 to 10000. This year sales dicreased to 5000 from 10000.
erastovalidia [21]
It's basically 5,000*2=10,000
 and 10,000/2=5,000. your answer would be either they multiplied 5,000 by 2 and 10,000 divided by 2, they increased the sales by 5,000
6 0
3 years ago
Read 2 more answers
) find a vector parallel to the line of intersection of the planes 5x − y − 6z = 0 and x + y + z = 1.
snow_tiger [21]
The cross product of the normal vectors of two planes result in a vector parallel to the line of intersection of the two planes.

Corresponding normal vectors of the planes are
<5,-1,-6> and <1,1,1>

We calculate the cross product as a determinant of (i,j,k) and the normal products

    i   j   k
   5 -1 -6
   1  1  1

=(-1*1-(-6)*1)i -(5*1-(-6)1)j+(5*1-(-1*1))k
=5i-11j+6k
=<5,-11,6>

Check orthogonality with normal vectors using scalar products
(should equal zero if orthogonal)
<5,-11,6>.<5,-1,-6>=25+11-36=0
<5,-11,6>.<1,1,1>=5-11+6=0

Therefore <5,-11,6> is a vector parallel to the line of intersection of the two given planes.
5 0
3 years ago
BRAINLIEST<br>There are infinitely many lines with a slope of 42?<br><br>True or False
jek_recluse [69]

Answer:

True

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the answer to(1−5q)+2(2.5q+8)
never [62]
Greetings!

Simplify the Expression.
=(1-5q)+2(2.5q+8)

Distribute the Parenthesis. 
<em>How?</em><span> Multiply the terms inside the Parenthesis by the term outside of the Parenthesis.
</span>=1*1-1*5q+2*2.5q+2*8

Combine Like Terms.
=1-5q+5q+16

=17

The Answer Is:
\left[\begin{array}{ccc}17\end{array}\right]

Hope this helps.
-Benjamin

5 0
3 years ago
On a coordinate plane, parallelogram H I J K is shown. Point H is at (negative 2, 2), point I is at (4, 3), point J is at (4, ne
lys-0071 [83]

Answer:

the answer is the first is 6 2nd is 4 and the last is 24 idek how its college because im in 6 and this is one of my quistions

Step-by-step explanation:

i dont fk

3 0
3 years ago
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