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Alex787 [66]
3 years ago
14

the sum of 3 decimal numbers is 6. Exactly one of the numbers is less than 1 what could those numbers be.

Mathematics
1 answer:
kati45 [8]3 years ago
3 0
There are infinitely many solutions to this problem (which is why it asks what could those numbers be), so you just have to make one up!

Start with the first sentence.
x + y + z = 6.0

Now one of those numbers has to be less than 1. I'll choose x. And I'll choose a random number, say, 0.7.

0.7 + y + z = 6.0

Now I'll subtract 0.7 from both sides to see what y and z have to add up to.

0.7 + y + z - 0.7 = 6.0 - 0.7
y + z = 5.3

Now I'll choose a random number for y that's less than 5.3.

2.6 + z = 5.3

And subtract 2.6 from both sides to find z.

2.6 + z - 2.6 = 5.3 - 2.6
z = 2.7

And now we have our numbers!
x = <u>0.7</u>
y = <u>2.6</u>
z = <u>2.7</u>
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Simplify the expression (7 + 9i)(8 - 10i)
NeX [460]

The simplified expression of (7 + 9i)(8 - 10i) is 146 + 2i

<h3>How to simplify the expression?</h3>

The expression is given as:

(7 + 9i)(8 - 10i)

Expand the bracket

7 * 8 + 9i * 8 -7 * 10i - 9i * 10i

Evaluate the products

56 + 72i -70i - 90(i²)

Evaluate the difference

56 + 2i - 90(i²)

In complex numbers;

i² = -1

So, we have:

56 + 2i - 90(-1)

Evaluate

56 + 2i + 90

Add the like terms

146 + 2i

Hence, the simplified expression of (7 + 9i)(8 - 10i) is 146 + 2i

Read more about complex numbers at:

brainly.com/question/10662770

#SPJ1

6 0
2 years ago
if every short side is 1.5 in and every long side is 3 in what is the perimeter wilmart brainiest show your work
Zarrin [17]
Hello there (I can do this one, it's quick enough)

The correct answer is 24 inches

There are 8 short sides, so you would do 1.5 times 8, to get 12 inches

There are 4 long sides, so you would do 3 times 4, to get 12 inches

12 plus 12 = 24 inches

I hope this helped
5 0
3 years ago
4/1 = 12/3 so 12 cups =_____ quarts
riadik2000 [5.3K]

Answer:

3 quarts

Step-by-step explanation:

4/1 = 12/3 so 12 cups =3 quarts

6 0
2 years ago
Round. 80531 to nearest thousands
Dmitry [639]

Round. 80531 to nearest thousands

= 81,000

8 0
3 years ago
Read 2 more answers
Which of the following is an element in the sample space for first tossing a coin and then rolling a die? A.H6 B.43 C.TT D.2H
WINSTONCH [101]
First tossing a coin means the first has to be H or T.
Rolling a die means the second has to be a 1-6.
The only option that meets this criteria is LETTER A
4 0
3 years ago
Read 2 more answers
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