All categories

3 years ago

(4s+3)(4s–3) i really neeed help

Mathematics

1 answer:

Blababa [14]3 years ago

6 0

Answer:

16s^2 -9

Step-by-step explanation:

(4s+3)(4s–3)

FOIL

first : 4x*4x = 16s^2

outer -3 *4s = -12s

inner 3*4s = 12s

last = 3* -3 = -9

Add them together

16s^2 -12s+12s -9

Combine like terms

16s^2 -9

You might be interested in

What is the approximate area of the triangle below?

Alecsey [184]

Can you include a picture of the problem theres no information

7 0

3 years ago

Read 2 more answers

In a sample of digits(0,1,2,3,4,5,6,7,8,9,) what is the probability that a digit is 7 or greater

ad-work [718]

Answer:

$\frac{3}{10}$

Step-by-step explanation:

There are 10 numbers in total. Only three are 7 or greater: 7, 8, 9.

So the answer is $\frac{3}{10}$ .

8 0

3 years ago

The length of a rectangle is twice its width.

zimovet [89]

Answer:

idc

Step-by-step explanation:

3 0

3 years ago

A career placement test eliminates a profession when a person receives a score of 18 or less. If the score is calculated

Volgvan

Answer:

See the figure attached

Step-by-step explanation:

Let's call :

x: positive response

y: negative response

then the score is:

2x - 3y

A career placement test eliminates a profession when a person receives a score of 18 or less, that's represented by the following inequality:

2x - 3y ≤ 18

3 0

3 years ago

Read 2 more answers

Use the following half-life graph to answer the following question:

AlexFokin [52]

Answer:

The correct answer is 12.5.

Step-by-step explanation:

When looking at the x axis, you locate the 2. After 2 minutes, the point connects at (2,12.5). Therefore, the correct answer is 12.5.

8 0

3 years ago

Read 2 more answers