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3 years ago

Find the zero when f(x)=3x-12

Mathematics

1 answer:

Tom [10]3 years ago

8 0

Answer:

$\mathrm{Axis\:interception\:points\:of}\:3x-12:\quad \mathrm{X\:Intercepts}:\:\left(4,\:0\right),\:\mathrm{Y\:Intercepts}:\:\left(0,\:-12\right)$

$\mathrm{X\:Intercepts}:\:\left(4,\:0\right),\:\mathrm{Y\:Intercepts}:\:\left(0,\:-12\right)$

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A parallelogram's area is given by the expression 4x2 2x 6. The height of the parallelogram is 2x2. Which expression represents

Gala2k [10]

Answer:

The answer is B!!HOPE THIS HELPS :)

Step-by-step explanation:

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6 0

3 years ago

9. A band director wants to form a committee of 4 parents from a list of 45 band parents.

Alex73 [517]

Answer:

Part (A): The number of ways to select 12 jurors are 86493225.

Part (B): The number of ways to select 2 alternates are 306.

Part (C): Part (a) is an example of combination and Part (a) is an example of permutation

Step-by-step explanation:

Consider the provided information.

A band director wants to form a committee of 4 parents from a list of 45 band parents.

Part (A): How many different groups of 4 parents can the band director select?

Since order doesn't matter so we will use combination.

Use the formula for combination $^{n}C_{r}=\frac{n!}{r!(n-r)!}$

Substitute n=45 and r=4 in above formula.

$^{45}C_{4}=\frac{45!}{4!(45-4)!}$

$^{45}C_{4}=\frac{45!}{4!41!}$

$^{45}C_{4}=148995$

Hence, the number of ways are 148995.

Part (B) How many different ways can the band director select 4 parents to serve in the band parents’ association as president, vice president, treasurer, and secretary?

Since the order matter so we will use permutation:

The formula for permutation is: $^{n}P_{r}=\frac{n!}{(n-r)!}$

Substitute n=45 and r=4 in above formula.

$^{45}P_{4}=\frac{45!}{(45-4)!}$

$^{45}P_{4}=\frac{45!}{41!}$

$^{45}P_{4}=3575880$

Hence, the number of ways are 3575880.

Part (C) . Explain the difference between parts (a) and (b) in terms of how you decided to solve each part.

Part (A) is an example of number of combination where order doesn't matter.

Part (B) is an example of permutation where order matter.

7 0

3 years ago

Mrs. Rockwell lost money on an investment at a rate of $4 per day. What integer represents the change in her investment, due to

Lilit [14]

Answer: -112

Step-by-step explanation:

Given: Rate of lost money on an investment = $4 per day.

Since 1 week = 7 days

So, Amount of money she lost in 1 weeks = $ 4 x 7 = $28

⇒ Amount of money she lost in 4 weeks = $ 28 x 4 = $112

Since in integers, a loss is represented by negative integer.

So, Mrs. Rockwell lost $112 after 4 weeks which is represented by "-112" integers.

4 0

3 years ago

For St. Patrick's day, Mrs. G's sixth grade class was given a choice of four different drinks. One quarter of the class chose gr

ladessa [460]

Answer:

1/8 of the number of students

Step-by-step explanation:

1/4 + 1/3 + 1/8 + 1/6 =

= 6/24 + 8/24 + 3/24 + 4/24

= 21/24

= 7/8

7/8 of the class chose drinks.

1 - 7/8 = 8/8 - 7/8 = 1/8

That means that 1/8 did not have a drink.

Since we don't know the number of students in her class, we cannot tell the number of students who did not have a drink, but we do know it is 1/8 of the number of students.

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4 years ago

A person in the audience of a reality show has an 11% chance of winning free movie tickets. What is the chance that a person in

olya-2409 [2.1K]

100%=all
all-change of wining=change of not winning
100%-11%=89% of not winning

probabilit is 89/100 that they dont win

8 0

4 years ago