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2 years ago

Write the number 63 in four different ways

Mathematics

2 answers:

barxatty [35]2 years ago

7 0

60+3+ sixty-three 63 and 6.3

RoseWind [281]2 years ago

4 0

60+3
sixty three
(10+6)+3
I can't think of another but I hope I helped you with 3

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Suppose you put $150 in the bank for 2 years at a 3% simple annual interest rate. How much interest will you have earned at the

STALIN [3.7K]

Answer:

$9 in interest for a total of $159

Step-by-step explanation:

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3 years ago

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Which of the following expressions represents the least common multiple of 15, 18, and 25?

Virty [35]

Answer:

$(2)(3^2)(5^2)$

Step-by-step explanation:

we know that

The <u>Least Common Multiple</u> (LCM) of a group of numbers is the smallest number that is a multiple of all the numbers.

we have

15,18 and 25

Decompose the numbers in prime factors

$15=(3)(5)$

$18=(2)(3^2)$

$25=(5^2)$

Multiply common and uncommon numbers with their greatest exponent

The LCM is equal to

$LCM=(2)(3^2)(5^2)$

$LCM=450$

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3 years ago

If f(x)=4x and g(x)=2x-1 what is g(f(-2))

azamat

F(-2) = 4x(-2) = -8;
g(f(-1))= g(-8) = 2x(-8) -1 = -16 - 1 = -17.

4 0

3 years ago

Consider the series 4+8+16+32+... <br> What is the common ratio?

Amiraneli [1.4K]

The common ratio is 24 x 2 = 88 x 2 = 1616 x 2 =32
Can I get Brainliest?
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3 years ago

How many 4 digit multiples can not be divided by 5

Advocard [28]

Answer:

1800

Step-by-step explanation:

Let us solve this question by Modular Airthmatic.

Let the lowest 4 digit number be X.

X= 1 (mod 5)

X =2 (mod 5)

X=3 (mod 5)

X =4 (mod 5)

X=1+5 t where t is any integer.

1+5 t=2 (mod 5)

5 t=1 (mod 5 )

5 is the Modular Inverse of modulo 5

t=1 (mod 5)

t =1+5 u : u= any integer.

X becomes 1+ 5 (1+5u )=6+25 u

6+25u =3 (mod 5)

25 u= -3 (mod 5)=2 (mod 5)

25 is Modular Inverse of Modulo 5

u=2 (mod 5)

u =2+5 v : v= any integer.

X becomes 6 +25 (2+5 v)=56+125 v .

56 +125 v=4 (mod 5)

125 v=-52 (mod 5)=3 (mod 5)

125 is Modular Inverse of modulo 5

v = 3 (mod 5)

v =3 +5 w where w is any integer.

For lowest 4 digit number, take

w=200

X=1003 : Lowest 4 digit number.

Take w=201

X=208 : Next number.

For 4 digit largest number, take

w=1995

X= 9978 : Largest number.

No. of Numbers =(1995 - 200 )+1=1800 □Ans.

8 0

3 years ago

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