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viktelen [127]
3 years ago
6

Determine whether the number is rational or irrational and round it to the nearest hundredth. - 3/7​

Mathematics
2 answers:
Artyom0805 [142]3 years ago
8 0

Answer:

-3/7 is a rational because as it can be written as p/q form where p/q are integers and q≠0.

-3/7 = -0.4285

To the nearest hundredth,

=> -0.43

ivann1987 [24]3 years ago
6 0

Answer:

Yes, it's a rational number

Step-by-step explanation:

-3/7. It is a rational because. It can be written as p/q form. Where p/q are non zero number. And in decimal it would be -0.42

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I have the equations 8x + 3y = 20.50 and 4x + 5y = 22.50<br> How do I solve for x and y?
snow_tiger [21]
8x + 3y = 20.50
-
4x+5y=22.50
=
4x-2y=-2, so you have to divide each number by 2, then
2x-y=-1, so

-y=-1-2x /-1, y=1+2x, then replace it with one original equation like the first one for instance:
8x+3(1+2x)=20.50, then
8x+3+6x=20.50, then
14x=20.50-3
14x=17.5
x=1.25, then solve y:\
y=1+2*(1.25)
y=1+2.5
y=3.5,
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6 0
3 years ago
stacey made 8 necklaces in 48 minutes. nick made 4 necklaces in 24 minutes. is the rate at which they made necklaces equivalent.
Bingel [31]

Answer:

Yes.

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Sal bought a house for $78,524.60. Twelve years later he sold the house for 2 3/4 times as much. What was the sale price of the
Oksi-84 [34.3K]
215,415 sorry if my answer might be incorrect
8 0
4 years ago
How many times of 0.00019% to equal 1%
ra1l [238]

Answer:

5263.15789474

Step by Step:

1 ÷ 0.00019 = 5263.15789474

Checking Answer:

0.00019 x 5263.15789474 = 1

So the answer is indeed 5263.15789474

Hope this Helps! :)

4 0
3 years ago
Read 2 more answers
75% of what number is 42?
Anna35 [415]
75            42
-----         -----
100           x

75 x= 4200
---       ------
75       75

x = 56



6 0
3 years ago
Read 2 more answers
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