MATHEMATICS HIGH SCHOOL

Factor completely 4u^2 + 28u + 49

Answers

Answer 1

Answer: $4u^2+28u+49=4u^2+14u+14u+49=2u(u+7)+7(u+7)=\n \n=(u+7)(2u+7)$

Answer 2

Answer:

Answer: (2u + 7)^2

Step-by-step explanation:

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Find value of x and y 2.) 4x+13y=40 4x+3y=-40

If f(x) = 5x 40, what is f(x) when x = –5?

Answers

5(-5)(40)=f(x) you just multiply everything together, so you would get -25*40, which is -1000

f(x)=5x*40 so we know that x=5 so f(5)=(5*5)40 so we have f(5)=25*40 and 25*40= 1000 so 1000/5=f and f is 200

If xy < zy < 0, is y positive? x < z x is negativeStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked
Both statements (1) and (2) TOGETHER are sufficient to answer the question asked; but NEITHER statement ALONE is sufficient

Answers

Answer:

Both statements (1) and (2) TOGETHER are sufficient to answer the question asked

Step-by-step explanation:

Given statement 1 :

xy < zy < 0,

The product of two numbers are negative if either of the numbers are negative.

∵ if xy < 0 ⇒ Case 1 : x > 0 and y < 0

Case 2 : x < 0 and y > 0,

Thus, Statement is not sufficient to prove y is positive,

Now, Statement 2 :

x < z, x is negative,

That is, x < 0

Combining statements (1) and (2),

We get,

xy < 0, x < 0,

⇒ y > 0

That is, y is positive.

Hence, Both statements (1) and (2) TOGETHER are sufficient to answer the question asked

A school band sold 30 raffle tickets, each labeled with a number from 1 to 30. One winning ticket will be drawn.What is the probability that the number of the winning ticket will be a multiple of 4 or the number 19? Express your answer in simplest form.

Answers

4/15 hope i helped!!!!!!!!

A rate is a ratio sometimes,always, or never true give an example

Answers

Answer:

A rate is a comparison of two different quantities with different units. Rates are always ratios, since they are comparing two different numbers as they compare two different quantities.

Step-by-step explanation:

math magic

Here's a better picture

Answers

Simple...

you have:

2.) A plumber charges $25 per hour plus an additional $99 for parts. If the plumber worked for 4 hours, which equation represents the total cost for C?

Using y=mx+b

So it's $25 per hour and $99 for parts.

C=25x+99

He worked for 4 hours--->>C=25(4)+99

3.)A gym charges $35 per month for full access to their work equipment. Miss Lewis has a $140 gift certificate to the gym.

Write an equation:

Using y=mx+b

y=-35x+140

How many months can she work out using the gift certificate?

y=-35(1)+140

y=105

y=-35(2)+140

y=70

y=-35(3)+140

y=35

y=-35(4)+140

y=0

She can use the gift certificate for 4 months...

Thus, your answer.

Find nth term of 14,23,32,41