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Elena-2011 [213]
3 years ago
6

In the diagram below QT =7 which additional facts would guarantee that QRST is a parallelogram check all that apply

Mathematics
2 answers:
lions [1.4K]3 years ago
4 0

Answer: A. QT is parallel to RS and C. QR =5, ST=5

nlexa [21]3 years ago
3 0

Answer:

option A and C

QT is parallel to RS

QR = 5 , ST = 5

Step-by-step explanation:

The definition of a parallelogram is as below

A parallelogram is a quadrilateral with 2 pairs of opposite, equal and parallel sides.

To prove a quadrilateral is a parallelogram, one of these five ways is to prove that one pair of opposite sides is both congruent and parallel.

And ways is to prove that both pairs of opposite sides are congruent.

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Name the point with the given coordinates
siniylev [52]

Answer:

wheres the picture?

Step-by-step explanation:

5 0
3 years ago
If 15 actuators have failed today, what is the probability that a) at least 10 are repairable? b) from 3 to 8 are repairable? c)
Ann [662]

The probabilities of at least 10 are repairable is 1/3. and probabilities of from 3 to 8 are repairable is 1/5*8/15 and probabilities of exactly 5 are repairable is 1/3.

According to the statement

we have given that If 15 actuators have failed and we have to find the probabilities on some conditions.

we know that the formula of probabilities is

probability = possible outcomes / total outcomes

So,

  • at least 10 are repairable = 1 - (10 are not repairable)

at least 10 are repairable = 1 - 10/15

at least 10 are repairable = (15 - 10)/15

at least 10 are repairable = (5)/15

at least 10 are repairable = 1/3

  • from 3 to 8 are repairable = 3/15 *8/15

from 3 to 8 are repairable = 1/5 *8/15

  • exactly 5 are repairable = 5/15

exactly 5 are repairable = 1/3

These are the probabilities of the given conditions.

So, The probabilities of at least 10 are repairable is 1/3. and probabilities of from 3 to 8 are repairable is 1/5*8/15 and probabilities of exactly 5 are repairable is 1/3.

Learn more about PROBABILITIES here brainly.com/question/25870256

#SPJ4

6 0
2 years ago
the excursion boat on the river takes 2 1/2 hours to make the trip to a point 12 miles up stream and to return. If the rate at w
MissTica
Let V, be the rate in still water and let C = rate river current
If the boat is going :
upstream, its rate is V-C and if going 
downstream, its rate is V+C,
But V = 5C, then
Upstream Rate: 5C - C = 4 C
Downstream rate: 5C+C = 6C

Time = distance/Rate,  (or time = distance/speed) , then:
Upstream time 12/4C and
Downstream time: 12/.6C

Upstream time +downstream time:= 2h30 ' then:

12/4C + 12/.6C = 2.5 hours
3/C + 2/C = 5/2 (2.5 h = 5/2)
Reduce to same denominator :
 5C = 10 and Rate of the current = 2 mi/h

4 0
3 years ago
[8] meaning. <br><br>what's the [ ] mean
kotykmax [81]
It changes it into negative 
6 0
3 years ago
Tommy is 22 years older than his son, Patrick. If their ages add up to 50, how old is Tommy?
alexandr1967 [171]
50 - 22 = 28
Tommy is 28
3 0
3 years ago
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