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vivado [14]
2 years ago
7

Somebody plz help me and If u can help me more plz help me on the rest too

Mathematics
1 answer:
lisabon 2012 [21]2 years ago
3 0

Answer:

it b

Step-by-step explanation:

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Help!!!!!!!!!!!! &gt;&gt;&gt;&gt;&gt;Which number set contains all rational<br> numbers?
stellarik [79]

The only set that only has rational numbers is the first one:

{1/3, -3.45, √9}

<h3>Which of the given sets contains only rational numbers?</h3>

A rational number is a number that can be written as the quotient of two integers.

If we look at the first set, the elements are:

  • 1/3 which is a rational number.
  • -3.45 = -345/100 which is a rational number
  • √9 = 3 = 3/1 which is a rational number.

In the other sets we can see elements like:

√37, √44, or √2 which are all irrational numbers, then the only correct option is the first one.

If you want to learn more about rational numbers:

brainly.com/question/12088221

#SPJ1

6 0
2 years ago
Travis has a savings account that his parents opened for him. It pays 6% annual interest. His uncle also opened an account for h
mezya [45]
So let's say the amounts are "a" and "b", at 6% and 8% respectively.

how much is 6% of a?  well (6/100) * a, or 0.06a.
how much is 8% of b?  well (8/100) * b, or 0.08b.

so hmm whatever "a" and "b" amounts are, we know that their yield is $100, thus 0.06a + 0.08b = 100.

now, there's more money in "a" than in "b", 500 bucks more, so whatever "b" is, we know that a = b + 500.

\bf \begin{cases}&#10;0.06a+0.08b=100\\&#10;\boxed{a}=b+500\\&#10;----------\\&#10;0.06\left( \boxed{b+500} \right)+0.08b=100&#10;\end{cases}&#10;\\\\\\&#10;0.06b+0.08b+30=100\implies 0.02b=70\implies b=\cfrac{70}{0.02}&#10;\\\\\\&#10;b=3500

how much was deposited in the 6% one?  well, a = b + 500.
8 0
3 years ago
A rectangle as the width of 9 units and length of 40 units. What is the length of the diagonal?
Kitty [74]

Answer:

the Diagonal is 41 units

Step-by-step explanation:

Since the sides of a rectangle, to be a rectangle, meet at 90° we use Pythagorean Theorem a² + b² = c²  

Width and Length are the legs and the diagonal is the hypotenuse

9² + 40² = c²

81  + 1600 =  c²

1681 = c²

√1681 = √c²

41 = c

3 0
3 years ago
Somebody who knows how to do this?? plz answer all the questions correctly thanks!
Ksju [112]

Answer:

a) 5/21

b) 4/21

c) 4/21

d) 8/21

Step-by-step explanation:

total number of coins: 21

a) number if dollars: 5

therefore fraction is 5/21

b) number of quarters: 4

therefore fraction is 4/21

c) number of dimes: 4

therefore fraction is 4/21

d) number of nickels: 8

therefore fraction is 8/21

4 0
3 years ago
Jeremiah scored 28 points in yesterday's
skad [1K]

Answer:

There you go , happy to help

4 0
2 years ago
Read 2 more answers
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