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Alla [95]
1 year ago
7

Please help due tonight!! Thank you

Mathematics
1 answer:
Lerok [7]1 year ago
3 0
A and D are the correct answers
You might be interested in
Which number produces an irrational number when multiplied by 1/3
MArishka [77]

We can simply observe that.

  1. 0.777... is rational, because it is a number with infinite but repeating decimal part.
  2. 1/3 is rational, because it's the division between two integers
  3. -\sqrt{16}=-4, so this is rational as well.

Since the product of two rational numbers is always rational, we have that

0.\bar{7}\cdot \dfrac{1}{3},\quad \dfrac{1}{3}\cdot \dfrac{1}{3},\quad -4\cdot \dfrac{1}{3}

are all rationals, since they are the product of two rationals.

On the other hand, we have

\sqrt{27}=\sqrt{9\cdot 3}=3\sqrt{3}

and thus

3\sqrt{3}\cdot \dfrac{1}{3}=\sqrt{3}

which is irrational.

3 0
3 years ago
A clothing store sold 4 times as many sweaters as coats. The difference in the sales was 300. How many of each were sold?
slava [35]
Sweater = 400
coats = 100
difference= 300
in an equation it would be
4x-x=300
so
3x=300
x=100
sweaters= 4x= 400
coats= x= 100
5 0
3 years ago
23=x-9;x+14 I need help with this problem.
frez [133]
 is  this answer 
x=1 ;) 
6 0
2 years ago
.Jim opened an account with $400. The account pays three percent quarterly. How much is in the account at the end of two years?
podryga [215]
We may have this planned like this:
two years is 8 quarters 
<span>Assuming simple interest, </span>
You will use the formula
<span>A = P(1+rt) </span>
<span>= 400(1+8*.03) </span>
<span>= 496
</span>I think this is the answer:) Hope it helps a lot
7 0
3 years ago
Write an equation in slope-intercept <br> A slope of 0 and passes through (0,-3)
Finger [1]

If the line has a slope = 0,  then it's a horizontal line

with the equation y = constant.

The line passes through (0, -3) → y= -3

<h3>Answer: y = -3</h3>
6 0
3 years ago
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