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3 years ago

The sum of two trinomials ________.

Mathematics

2 answers:

Lapatulllka [165]3 years ago

4 0

The answer is B, the addition of two trinomials can yeild a trinomial, binomial, or monomial

Black_prince [1.1K]3 years ago

3 0

The sum of two trinomials cannot be a trinomial, it can either be a polynomial or binomial depending on the numbers given.

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The mean is A: Sometimes B: always C: never

podryga [215]

I guess the mean is always

this question is not clear.

6 0

3 years ago

The price of products may increase due to inflation and decrease due to depreciation. Marco is studying the change in the price

inn [45]

Answer:

Product A has a greater percentage change in price.

Step-by-step explanation:

Part A:

The price f product A, f (x) after x years is given by:

$f(x) = 0.69\cdot(1.03)^{x}$

After x = 0 years, the price of product A is:

$f(0) = 0.69\cdot(1.03)^{0}=0.69$

After x = 1 years, the price of product A is:

$f(1) = 0.69\cdot(1.03)^{1}=0.69\cdot (1+0.03)=0.69\cdot (1+3\%)$

After 1 year, the price of product A is 3% times more than the original price.

This means that after one year, the new price is 103% of the original price, which means the price product A is increasing by 3%.

Again after x = 2 years, the price of product A is:

$f(2) = 0.69\cdot(1.03)^{2}=[0.69\cdot (1+3\%)]\times (1.03)$

This implies that after 2 years, the price of product A is 103% of the price after year 1.

This implies that the price of product A is 3% more than the previous year.

Thus, the price of product A is increasing each year by 3%.

Part B:

The data for Product B is as follows:

Time (t) Price [f (t)]

1 10,100

2 10,201

3 10,303.01

4 10,406.04

Product B is clearly increasing in price.

Consider the changes in price of Product B in the following intervals of years:

Year 1 - Year 2:

Price in year 1 = $10,100

Price in Year 2 = $10,201

Compute the increase percentage as follows:

$\text{Increase}\%=\frac{10201-10100}{10100}=0.01=1\%$

Year 2 - Year 3:

Price in Year 2 = $10,201

Price in year 3 = $10,303.01

Compute the increase percentage as follows:

$\text{Increase}\%=\frac{10303.01-10201}{10201}=0.01=1\%$

Year 3 - Year 4

Price in year 3 = $10,303.01

Price in Year 4 = $10,406.04

Compute the increase percentage as follows:

$\text{Increase}\%=\frac{10,406.04-10303.01}{10303.01}=0.09999\approx 0.01=1\%$

It is quite clear that the price of product B increases by 1% each year.

Thus, Product A has a greater percentage change in price.

3 0

3 years ago

What is the point-slope form of a line that has a slope of –4 and passes through point (–3, 1)?

svet-max [94.6K]

Answer:

y - 1 = - 4(x + 3)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = - 4 and (a, b) = (- 3, 1), thus

y - 1 = - 4(x - (- 3)), that is

y - 1 = - 4(x + 3)

7 0

3 years ago

Point X lies on plane S and on plane R. True or false?

Naya [18.7K]

The answer is true.

Point X lies on the line of intersection of planes S and R. This means that point X lies on both plane S and plane R at the same time.

You could also try and imagine the diagram without plane S and see that point X lies on plane R. Then you can imagine the same diagram without plane R and see that point X lies on plane S.

Let me know if you need any clarifications, thanks!

~ Padoru

8 0

3 years ago

Find the whole. 10% of ___is 14. Explain your method.

liraira [26]

Answer:

x=140

Step-by-step explanation:

$\frac{10}{100} =\frac{14}{x}$

solve for x

$10x=1400\\$

divide 10 on both sides:

x=140

Hope this helps!!!

4 0

4 years ago

Read 2 more answers