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Katena32 [7]
3 years ago
6

PLS HELP ASAP GIVE BRAINLIEST

Mathematics
1 answer:
ELEN [110]3 years ago
6 0

Answer:

47/200

Step-by-step explanation:

to find experimental probability you have to find the number of times the desired outcome has happened the divide it by the total times the action has been performed. 19+13+15=47/200

You might be interested in
Izzie recently took a math test where each correct answer (a) on the main part of the test was worth 8.3 points. She also correc
Temka [501]

Answer:

12 correct answers

Step-by-step explanation:

Since in the main part she scores 8.3 points for each question she answers correctly, we can assume that the number of questions she answers correctly=a

Therefor, the total number of points she achieved in the math test in the main part alone can be expressed as:

Total score(main part)=8.3×a=8.3a points

She also solved a bonus question worth=11 points

Consider expression 1 below

The total score in the whole test=Total score in the main part+Bonus points, where;

Total score in the whole test=110.6 points

Total score in the main part=8.3a points

Bonus points=11 points

Substituting the values in expression 1:

8.3a+11=110.6

8.3a=110.6-11

8.3a/8.3=99.6/8.3

a=12

Number of correct answers in the main part=a=12

4 0
3 years ago
The figure shows a rectangle with a width of 6k inches. The length of the rectangle is 4 inches shorter than the width.
Aliun [14]

Step-by-step explanation:

b. what is the perimeter of the rectangle in terms of k?

4 0
3 years ago
Read 2 more answers
Can you help me please?
KIM [24]

Answer:

option c.

n=12

.................................

7 0
2 years ago
A shipment of 12 microwave ovens contains 3 defective units. A vending company has ordered 4 of these units, and because all are
pishuonlain [190]
P(defective) = 3/12 = 1/4
P(good) = 1 - 1/4 = 3/4
P(2\ good)=4C2\times0.75^{2}\times0.25^{2}=0.211
P(3\ good)=4C3\times0.75^{3}\times0.25=0.422
P(4\ good)=0.75^{4}=0.316
The probability that at least 2 units are good is given by:
P(2 good) + P(3 good) + P(4 good) = 0.211 + 0.422 + 0.316 = 0.949.

4 0
3 years ago
Read 2 more answers
Triangles J K L and M N R are shown.
Free_Kalibri [48]

The correct answer is option B which is we need ∠L ≅  ∠R to prove congruency.

<h3>What is congruency?</h3>

The Side-Angle-Side Congruence Theorem (SAS) defines two triangles to be congruent to each other if the included angle and two sides of one is congruent to the included angle and corresponding two sides of the other triangle.

According to the SAS theorem which means Side Angle Side, The angle which is included between the two sides must be congruent.

Here we are given that

KL = NR

JL = MR

Now in the figure, we can clearly see that the angle included between JL & KL is L & the angle included between NR & MR is R.

So for the triangles to be congruent by SAS, angle L must be congruent to angle R.

∠L=∠R

Therefore the correct answer is option B which is we need ∠L ≅ ∠R to prove congruency.

Learn more about congruency at

brainly.com/question/14418374

#SPJ1

4 0
2 years ago
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