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2 years ago

X-9<18 Solve them graph on a number line

Mathematics

1 answer:

Setler79 [48]2 years ago

6 0

Answer:

x<16

Step-by-step explanation:

It izz wat it izzzz!!!

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What is the sum of the interior angles of an octagon? 720° O 900° 1,080° 1,260°

timofeeve [1]

Answer:

1080

Step-by-step explanation:

All sides are the same length (congruent) and all interior angles are the same size (congruent). To find the measure of the angles, we know that the sum of all the angles is 1080 degrees (from above)... And there are eight angles... So, the measure of the interior angle of a regular octagon is 135 degrees

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3 years ago

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4400 dollars is placed in an account with an annual interest rate of 7.5%. To the nearest tenth of a year, how long will it take

Katarina [22]

Answer:

Step-by-step explanation:

The equation for the amount of money in an account after a certain amount is deposited and compounded after t years once per year is

$A(t)=P(1+r)^t$

Our A(t) = 33800, P = 4400, r = .075 and we are looking for t. Filling in:

$33800=4400(1+.075)^t$ and

$33800=4400(1.075)^t$

Begin by dividing both sides by 4400 to get

$7.681818182=1.075^t$

The only way to move that t our from its current position as an exponent is to take the natural log of both sides and follow the rules for natural logs:

$ln(7.6181818182=ln(1.075)^t$

The power rule of natural logs says we can move that exponent down in front, giving us:

$ln(7.681818182)=t*ln(1.075)$

Divide both sides by ln(1.075) to get

$\frac{ln(7.61818182)}{ln(1.075)} =t$

Do this division on your calculator to get

t = 28.2 years

6 0

2 years ago

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What is 1 sixth of a hexagon

Nuetrik [128]

I'm guessing you're asking what shape do you get if you cut a hexagon is cut into sixths.
If this hexagon is a regular hexagon, then the shapes would be equilateral triangles.

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3 years ago

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Need help on maths question asap

Zigmanuir [339]

Answer:

276

Step-by-step explanation:

1 - 1/3 - 5/12 = 1/4

1/4 is the fraction of the vegetarian guests

1 is the total number of guests

so you multiply 69 by 4 and 276 is your answer

let me know it it is correct :)

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3 years ago

A teacher announce that from the 35 students in the class, 28 passed the first quiz,30 passed the second quiz, and 25 passed bot

Law Incorporation [45]

Answer:

5 students

Step-by-step explanation:

.............,

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2 years ago