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3 years ago

PLEASE PLEASE HELP PLEASE

Mathematics

1 answer:

Nataliya [291]3 years ago

7 0

In a step function (like what's seen), we find what f(x) is at the filled or closed circles. For f(-3), we follow the x- axis to -3 then drop down to the CLOSED circle. The open circle may come first going down the y- axis, but the open circle is not what we want.

The closed circle appears to be at -4, 4 units down from the origin.

Thus f(-3) = -4 and the first choice is best.

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Given the two perallel line ,determine the measure of x a= x=125 b= x=135 c= x=45 d= x=55

dedylja [7]

Answer:a

Step-by-step explanation:

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3 years ago

Which of the following graphs represents a function? If you don’t know then please don’t write “i don’t know” or “I can’t help w

Vadim26 [7]

Answer:

B. x

Step-by-step explanation:

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3 years ago

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-3(2b-7) in stander from asap

3241004551 [841]

Answer:

Step-by-step explanation:

= > - 3 ( 2b - 7 )

= > - 6b + 21

<h3>Hope it helps you!</h3>

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2 years ago

Koby can work about 22 math problems in 30 minutes. At this rate how many math problems can Koby work in 3 hours

Murrr4er [49]

132 problems because...

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3 years ago

Read 2 more answers

(100) points!!!! Help please

inysia [295]

Answer:

$\displaystyle a_8=142,11\ mg$

Step-by-step explanation:

Geometric sequence

Each term in a geometric sequence can be computed as the previous term by a constant number called the common ratio. The formula to get the term n is

$\displaystyle a_n=a_1r^{n-1}$

where $a_1$ is the first term of the sequence

The problem describes Georgie took 275 mg of the medicine for her cold in the first hour and that in each subsequent hour, the amount of medicine in her body is 91% (0.91) of the amount from the previous hour. It can be written as

amount in hour n = amount in hour n-1 * 0.91

This information provides the necessary data to write the general term as

$\displaystyle a_n=275\ .\ 0.91^{n-1}$

In the 8th hour (n=8), the remaining medicine present is Georgie's body is

$\displaystyle a_n=275\ .\ 0.91^{8-1}$

$\displaystyle a_n=275\ .\ 0.91^{7}$

$\boxed{\displaystyle a_8=142,11\ mg}$

6 0

3 years ago