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4 years ago

Add the polynomials (4x -5y) + (6x - 5y +4)

Mathematics

1 answer:

makkiz [27]4 years ago

8 0

Answer:

try d

Step-by-step explanation:

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If f x equals x -3 + g x equals 1 - x 2 - 9 find ( f og) (x and give any restrictions on its domain

evablogger [386]

$\begin{gathered} f(x)=x-3 \\ g(x)=\frac{1}{x^2-9} \\ (\text{fog)(x)}=\frac{1}{x^2-9}-3 \end{gathered}$

the denominator cannot be zero, because the division by zero is not defined, therefore:

$\begin{gathered} x^2-9=0 \\ \text{Solving for x:} \\ x^2=9 \\ \sqrt[]{x^2}=\sqrt[]{9} \\ x=\pm3 \end{gathered}$

Therefore the domain of (f o g)(x) is:

$D\colon(-\infty,-3)\cup(-3,3)\cup(3,\infty)$

3 0

1 year ago

The box plot represents the number of minutes it takes for the students in a class to run a mile. A number line goes from 0 to 1

alina1380 [7]

Answer:

B.5

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

2/5,8/20: is it a proportion?

katen-ka-za [31]

Answer:

Step-by-step explanation:

you need to simplify 8/20

8/20 can be put into the greatest common factor which is 4

then divide both sides by 4 this equals to 2/5

So yes they are

6 0

3 years ago

What is the translation for 16.5 units right

Alexeev081 [22]

To take 16.5 units from zero to the right on a number line.

3 0

4 years ago

Given the following prescription formula, what is the ratio strength (nearest whole number) of methylcellulose in the finished p

Mamont248 [21]

Answer:

147

Step-by-step explanation:

Given:

Progesterone = 3.8 g

Glycerin = 7 mL

2% methylcellulose solution 50 mL

Cherry syrup ad = 90 mL

Now,

The total volume of the solution = 7 + 50 + 90 = 147 mL

Also,

2% methylcellulose solution 50 mL is concluded as:

the volume of methylcellulose in the solution is 2% of the total volume of the solution

thus,

volume of methylcellulose = 0.02 × 50 mL = 1 mL

Therefore,

Ratio strength of methylcellulose in the finished product

= $\frac{\textup{volume of methylcellulose}}{\textup{ total volume of the solution}}$

= $\frac{\etxtup{1}}{\textup{ 147}}$

Hence, the answer according to the question is 147

7 0

4 years ago