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rewona [7]
3 years ago
11

A five-question quiz is taken in which the first and second questions have four answer choices, the third and fourth questions h

ave three answer choices, and the last question has five answer choices. If a student randomly marks an answer for each question, what is the expected number of questions he will answer correctly?
Mathematics
2 answers:
Andrej [43]3 years ago
5 0

Answer:

1.37

Step-by-step explanation:

pychu [463]3 years ago
3 0

Answer: choice a 1.37 is the awnser

Step-by-step explanation:

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A mathematics Teacher brought 40 expensive calculator at 16400 each and a number of cheaper calculator costing tshs 5900 each. S
Novay_Z [31]

Answer:

20

Step-by-step explanation:

First, let's find how much she spent on the expensive calculators

40 times $16400= $656,000

Now, lets find how much money she had for the cheap calculators.

$774,000- $656,000=$118000

Now that we have her budget (money remaining) for the cheaper calculators, lets divide that by the price for each individual calculator.

$118000/$5900=20

If you like my answer, please mark me as a brainliest! (I am new to this community.)

4 0
3 years ago
Need help asap! Show work if you can, it’s completely ok if you don’t tho
Savatey [412]
Its A) -67
plug the m and n values into the function and solve using pemdas.
5(-7)-2(-7+3)^2
-35-2(-4)^2
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8 0
4 years ago
The following table shows the data collected from 2 random samples of 100 students from an after-school club regarding their fav
lutik1710 [3]
The answer is : It is more than the number of student who prefer movies and picnics combined. 

!!HOPE THIS HELPS!!
5 0
3 years ago
Please answer as soon as possible!!!<br> Will give brainlyest!!!!!!!!!!!
8_murik_8 [283]
The correct answer is C.

3 0
3 years ago
Can you help me with this question.
HACTEHA [7]

For the scale factor, use the dimensions from similar sides:

Using 18 from the original image you would use 6 from the scaled image.

18 /6 = 3

This means the scaled image is 3 times smaller than the original. Because the scaled image is smaller divide 1 by the scale factor to get 1/3.

Q2:

The scale factor is 1 inch = 12 miles.

Multiply the total inches by 12:

6.5 x 12 = 78 miles.

3 0
4 years ago
Read 2 more answers
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