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mariarad [96]
3 years ago
9

In how many ways can a student arrange 6 textbooks on a locker shelf that can hold 4 books at a time

Mathematics
1 answer:
elena55 [62]3 years ago
7 0

Answer:

360 ways.

Step-by-step explanation:

This is the number of permutations of 4 from 6.

= 6P4 =   6! / (6 - 4)!

=  6! / 2!

= 6*5*4*3*2*1 / 2

= 360.

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Can someone help me with this plz??
Anarel [89]

Answer:

f(-3) = -2(-3)^3 - 3

f(-3) = 54 - 3

f(-3) = 51

g(3) = -5(3) + 4

g(3) = -15+4

g(3) = -11

Hope this helps!

5 0
2 years ago
On a 40 question test students gain 6 points for each correct answer and lose 0.5 points on each incorrect answer. If everyone r
juin [17]

Answer:

\text{r}=5.5\text{c}-20

Step-by-step explanation:

GIVEN: On a 40 question test students gain 6 points for each correct answer and lose 0.5 points on each incorrect answer. If everyone required to give an answer to each question.

TO FIND: the formulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c.

SOLUTION:

Total number of incorrect questions =40-\text{c}

Total marks deducted due to incorrect question =(40-\text{c})\times0.5=20-0.5\text{c}

Total correct questions =\text{c}

Total marks scored =6\text{c}

Total raw marks \text{r}=\text{total marks gained}-\text{total marks deducted}

                           \text{r}=6\text{c}-(20-0.5\text{c})

                           \text{r}=5.5\text{c}-20

ormulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c is  \text{r}=5.5\text{c}-20

7 0
3 years ago
Question 12 please , thank you in advance.
Monica [59]

I thing it might be C

5 0
3 years ago
Read 2 more answers
Write an equation in slope-intercept form of the line that passes through the given point and is perpendicular to the graph of t
alex41 [277]

Answer:

y = -3x + 8

Step-by-step explanation:

4 0
3 years ago
After every 4 days in abuja is holiday, if the last holiday was on friday which day will be holiday after 72 days
goldenfox [79]

Answer:

Sunday

Step-by-step explanation:

There is holiday after every 4 days

The last holiday was on Friday.

So,

Last holiday - Friday

After 4 days - Tuesday

After 8 days - Saturday

After 12 days - Wednesady

After 16 days - Sunday

After 20 days - Thursday

After 24 days - Monday

After 28 days - Friday

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

After 56 days - Friday

After 60 days - Tuesday

After 64 days - Saturday

After 68 Days - Wednesday

After 72 days - Sunday

6 0
3 years ago
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