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3 years ago

Two true or false :)

Mathematics

1 answer:

asambeis [7]3 years ago

4 0

1. false because they have the same slope and y-intercept so they have infinite number of solutions
2. true

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Susan open an account with $100. She deposits $100.00 every year to an account that earns simple interests at a rate of 5%. If s

NemiM [27]

Answer:

$20

Step-by-step explanation:

multiply 100.00 x 5% which is 100x 0.05, then it will give you 5.

add 5, 4 more times which will give you 20

3 0

3 years ago

Convert:<br> 42 centigrams 6 milligrams =<br> 1<br> milligrams

Naddik [55]

Answer:

centigram is 'bigger.'

Well, if you look on the metric scale it is apparent that 1 mg = 0.1 (or 1/10) cg suggesting that a milligram is the smaller value.

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3 years ago

-1/2x-1/4(10x-9)=-(-7/4x+2)-x

Tems11 [23]

Answer:

x= 17/15

Step-by-step explanation:

−1/2 x- 1/4 (10x−9)=−( -7/4 x+2)−x

8 0

3 years ago

Read 2 more answers

which was one cause of the rise of the persian empire? a. the persians forced the people they conquered to convert to zoroastria

sukhopar [10]

The correct answer is D. They merged religious which was from the lands which were conquered with zoroastrian rituals.

The rise of persian empire was because of Cyrus the great and the Achaemenid Empire. People who were defeated by Cyrus they called him law giver and worthy ruler. People who followed him referred t o him as their father.

He build Pasargadae capital city and brought many architectural possibilities.

He allowed people to have their own culture and religion and all the jews who were held by babylonian were being freed.

3 0

3 years ago

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The digits 4 comma 5 comma 6 comma 7 comma and 8 are randomly arranged to form a three-digit number. (Digits are not repeate

fenix001 [56]

Answer:

0.1 or 1/10

Step-by-step explanation:

The digits 4, 5, 6, 7 and 8 are randomly arranged to form a three digit number, where the digits are not repeated.

This is question of permutation.

Imagine this sum as; there are 3 boxes(blank spaces for digits) and 5 different fruits(digits) are to be put in these boxes, where a box can hold a maximum of only 1 fruit. The number of such permutations are: ⁵P₃

By formula (a! is factorial a):

ᵃPₙ $= \frac{a!}{(a-n)!}$

⁵P₃ $= \frac{5!}{(5-3)!}$

⁵P₃ $= \frac{5!}{2!}$

⁵P₃ $= \frac{5*4*3*2*1}{2*1}$

⁵P₃= 60

This is the total count of possible numbers that can be formed.

Now, for a number to be greater than 800 and even; first digit should necessarily be 8. Last digit can be 4 or 6. Using these conditions, there are 6 possibilities. 854, 864, 874, 846, 856, 876 are the numbers.

The probability that number is even and greater than 800 is:

$P=\frac{ favorable outcomes}{equally likely possible outcomes}$

$P=\frac{6}{60}$

$P=\frac{1}{10}$

3 0

3 years ago