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3 years ago

What number am I? 3 ten thousands, 23 hundreds, 83 tens and 2 ones?

Mathematics

1 answer:

k0ka [10]3 years ago

3 0

Well lets write it out

30,000

2,300

83

2

=32,385

all you had to do was add them

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A certain colony of bacteria triples in length every 10 minutes, its length is now 1 millimeter. How long will it be in 40 minut

Law Incorporation [45]

Answer:

81 mm

Step-by-step explanation:

Now: 1 mm

In 10 minutes: 3 * 1 mm = 3 mm

In 20 minutes: 3 * 3 mm = 9 mm

In 30 minutes: 3 * 9 mm = 27 mm

In 40 minutes: 3 * 27 mm = 81 mm

Answer: 81 mm

3 0

3 years ago

If X={1,2,3,4} and Y={1,4,9,16,20} then find all ordered pairs such that Y is square of X.

Alona [7]

Answer:

(1, 1), (2, 4), (3, 9), (4, 16)

Step-by-step explanation:

You recognize that, of the numbers in Y, 20 is not a square. You also recognize that the remaining values of Y correspond to the squares of the values of X:

(x, x^2) = {(1, 1), (2, 4), (3, 9), (4, 16)}

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3 years ago

What is the scientific notation of 1,980,000,000

cupoosta [38]

1.98x10^9. move the decimal until you have one number in front of it. then keep the numbers that are not 0 after it. then count how many places you moved the decimal point and that's your power.

6 0

3 years ago

A.SAS Postulate

tankabanditka [31]

Answer:

C. you can not prove that the triangles are congruent

Step-by-step explanation:

The answer can not be SAS becuase although the congruent angle is not in between the two congruent sides.
It can not be AAS because only one angle is congruent.
It can not be SSS because all three sides are not congruent.

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3 years ago

If q varies inversely as r, and q = 10 when r = 2.5, find the equation that connects q and r. question 2 options: q=r25 q=r4 q=2

KengaRu [80]

The variation equation is qr = 25

<h3>How to determine the equation?</h3>

An inverse variation is represented as:

qr = k

Where k is the constant of variation

When q = 10 and r =2.5, we have:

k = 10 * 2.5

Evaluate

k = 25

Substitute k = 25 in qr = k

qr = 25

Hence, the equation is qr = 25