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3 years ago

14

There are many different kinds of numbers (whole numbers, fractions, etc.). Name some different types of numbers. Do you know ho

w to do operations with different types of numbers? What operations do you know how to perform with the different types of numbers?

1 answer:

qaws [65]3 years ago

8 0

Answer:

decimals additive inverse??

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A group of students are intending to offer a present to a friend. If each one pays 3000 LL.

Elanso [62]

Answer:

There are 8 friends and the presents costs $30,000

Step-by-step explanation:

Let x be the number of students and y be the price of the present. Their contributions can be expressed as:

$3000x=y-6000\ \ \ \ \ \ ...i\\\\4000x=y+2000\ \ \ \ \ \ \ \...ii$

#Make y the subject in equation i then substitute in ii:

$y=3000x+6000\\\\\#substitute \ in \ ii\\\\4000x=y+2000\\\\4000x=(3000x+6000)+2000\\\\1000x=8000\\\\x=8\\\\y=3000\times 8+6000\\\\y=30000$

Hence, there are 8 friends and the present is priced at $30,000

3 0

3 years ago

Write your answer as a whole number and remainder.<br> 11÷6

avanturin [10]

The whole number would be one and the remainder is 5. hope it helps.

4 0

3 years ago

What is the percentage of 45/100?

kotykmax [81]

Percent=out of 100
45/100=45/

6 0

3 years ago

The sum of the measures of two exterior angles of a triangle is 255°. What is the measure of the third exterior angle?

Juliette [100K]

Answer its b hope is helps

5 0

3 years ago

How do you do number 2? Help please and thank you.

Dmitrij [34]

Answer:

{3,-1}

Step-by-step explanation:

m^2 -2m -3=0

What 2 numbers multiply to -3 and add to negative 2

-3* 1 = -3

-3 +1 =-2

(m-3) (m+1) =0

Using the zero product property

m-3 = 0 m+1 =0

m=3 m=-1

{3,-1}

6 0

3 years ago