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3 years ago

Write an expression for the sequence of operations described below.

Mathematics

1 answer:

Lerok [7]3 years ago

8 0

See below.

(10^7) x n

o r

n(10^7)

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Write an expression to find the perimeter of the trapezoid with the lengths of sides: y + 3, y , y + 4, y + 2

avanturin [10]

(y+3)+y+(y+4)+(y+2)

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3 years ago

Which of the following represents a geometric series (remember what a series is as opposed to a sequence)?

juin [17]

Answer:

4 + 12 + 36 + ...

Step-by-step explanation:

4, 12, 36, ... is a geometric sequence, it has a common ratio of $r=\frac{36}{12}=\frac{12}{4}=3$

When we add the terms of a geometric sequence we get a geometric series.

4+12+36+ ... is a geometric series, it has a common ratio of $r=\frac{36}{12}=\frac{12}{4}=3$

4 + 12 + 20 + ... is not a geometric series because it has no common ratio

$\frac{20}{12}\ne \frac{12}{4}$

The second choice is correct

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3 years ago

For each kilogram of a persons weight, 2.5 milligrams of a drug is to be given. What dosage should be given to a child who weigh

ehidna [41]

36 kg of a drug would be given to a person with an average weight of 80, thank you.

6 0

3 years ago

NEED HELP ASAP PLS !!!

frozen [14]

Answer:

$2x + y = 1\:or\:y = -2x + 1$

Step-by-step explanation:

First find the rate of change [slope]:

$\frac{-y_1 + y_2}{-x_1 + x_2} = m$

$\frac{-5 - 7}{2 + 4} = -\frac{12}{6} = -2$

Then plug these coordinates into the Slope-Intercept Formula instead of the Point-Slope Formula because you get it done much swiftly. It does not matter which ordered pair you choose:

−7 = −2[4] + b

−8

$1 = b \\ \\ y = -2x + 1$

If you want it in Standard Form:

y = −2x + 1

+2x + 2x

_________

$2x + y = 1$

_______________________________________________

5 = [−2]² + b

$1 = b \\ \\ y = -2x + 1$

y = −2x + 1

+2x + 2x

_________

$2x + y = 1$

** You see? I told you it did not matter which ordered pair you choose because you will always get the exact same result.

I am joyous to assist you anytime.

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3 years ago

4b. A cell phone plan costs $200 to start. Then there is a $50 charge each

Kisachek [45]

The answer is 50x+200

6 0

3 years ago

Read 2 more answers