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kkurt [141]
1 year ago
15

Two students solved the problems below one of the students made an error explain to the students and how you would help the stud

ent to get the correct answers. Mary did 66÷3 = 6. 33————Nico got 62.4÷13 and he got 4.8.
Mathematics
1 answer:
navik [9.2K]1 year ago
5 0

If two students solved the problems below one of the students made an error.  Mary is wrong while Nico is correct.

<h3>Error in calculation</h3>

Mary =66÷3 = 6. 33 (Wrong)

Nico= 62.4÷13=4.8 (Correct)

Hence.

Mary:

Using calculator 66/3 will gives us 22 and not 6.33.

66÷3=22

Nico

Using calculator 62.4/12 will give us 4.8 which means that Nico was correct.

Therefore If two students solved the problems below one of the students made an error.  Mary is wrong while Nico is correct.

Learn more about error in calculation here:brainly.com/question/1512098

#SPJ1

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2. help me i will give u brainliest
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Answer:

the 1st one

Step-by-step explanation:

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3 years ago
Caroline is taking a multiple choice test with a total of 40 points available. Each question is worth exactly 5 points. What wou
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Answer:

30

40 - 5x

Step-by-step explanation:

Caroline is taking test worth 40 points that has 5 points per question.  If she got 2 questions wrong, she would have a score of `30.

2 × 5 = 10

40 - 10 = 30

If Caroline got x questions wrong, she would have a score of 40 - 5x.

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3 years ago
Jack wants to buy a pair of trousers for 60$ when he went to the store he found that the price was marked down by 20% how much d
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$48 (because you would do $60•0.20=$12 so then you would do $60-$12=$48)
3 0
3 years ago
A feasible region has vertices at (-1,3), (3,5), (4,-1), and (-1,-2) find the maximum and minimum values of each function
Molodets [167]
Answer: Choice D. 
Max: f (-1,-2)=4; min:f(3,5)=-11

----------------------------------------
----------------------------------------

Work Shown:

Plug in (x,y) = (-1,3)
f(x,y) = -2x-y
f(-1,3) = -2*(-1)-3
f(-1,3) = 2-3
f(-1,3) = -1
------------------
Plug in (x,y) = (3,5)
f(x,y) = -2x-y
f(3,5) = -2*3-5
f(3,5) = -6-5
f(3,5) = -11
------------------
Plug in (x,y) = (4,-1)
f(x,y) = -2x-y
f(4,-1) = -2*4-(-1)
f(4,-1) = -8+1
f(4,-1) = -7
------------------
Plug in (x,y) = (-1,-2)
f(x,y) = -2x-y
f(-1,-2) = -2*(-1)-(-2)
f(-1,-2) = 2+2
f(-1,-2) = 4
------------------
The four outputs are: -1, -11, -7, and 4

The largest output is 4 and that happens when (x,y) = (-1,-2)
So the max is f(x,y) = 4

The smallest output is -11 and that happens when (x,y) = (3,5)
So the min is f(x,y) = -11

This all points to choice D being the answer.

6 0
3 years ago
Let f(x)= x^2 -2x+6 find f(-1)
Leokris [45]

Answer:

Step-by-step explanation:

f(x) = x^2 - 2x + 6

to find f(-1), we sub in -1 for every x

f(-1) = (-1^2) - 2(-1) + 6

f(-1) = 1 + 2 + 6

f(-1) = 9 <=======

8 0
3 years ago
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