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kirill115 [55]
2 years ago
15

WILL GIVE BRAINLIEST

Mathematics
1 answer:
Dmitry_Shevchenko [17]2 years ago
3 0

Answer:

-9 is rational

5/8 is rational

30/sqrt of 25 is rational

sqrt 70 is irrational

pi is irrational

Step-by-step explanation:

rational number: a number that can be expressed as an integer or the quotient of an integer divided by a nonzero integer.  A rational number is a number that is expressed as the ratio of two integers, where the denominator should not be equal to zero, whereas an irrational number cannot be expressed in the form of fractions. Rational numbers are terminating decimals, but irrational numbers are non-terminating. Irrational Numbers Definition An irrational number is a real number that cannot be expressed as a ratio of integers, for example, √ 2 is an irrational number. Again, the decimal expansion of an irrational number is neither terminating nor recurring.

Hope this helps mark brainliest please :)

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Simplify the following expression
timama [110]

Answer: 0.25 or 1/4

Step-by-step explanation:

1/2*2 = 1/2^2 = 1/4

6 0
3 years ago
Please help, i don’t know how to do either of these. *will mark brainliest*
I am Lyosha [343]

Answer:

Step-by-step explanation:

Area is base times height. Parallelogram area/3

triangle area/4

5 0
3 years ago
A changes
kupik [55]

Answer: 8/11

Step-by-step explanation:

This is because there are a total of 22 bulbs. 16 of those bulbs work, giving us the fraction: 16/22. If you simplify 16/22 by dividing the numerator and denominator by 2, you get 8/11.

8 0
3 years ago
Read 2 more answers
If the width of a passport picture is 3cm and its perimeter 14cm, what is the length?​
aleksklad [387]

Answer:

The answer is 4!!

Step-by-step explanation:

A Passport picture is normally in the rectangular formation meaning, if the width of the top of the passport picture is 3, then the bottom is 3 as well.

That lets you figure out, since perimeter is all sides added together, 3+3 = 6 so 6 is both widths combine.

With this 6 in mind, if the perimeter of the entire passport is 14cm, and you have 6cm as both widths combine, now you need to find the length of this object.

Now here, since 6 is both widths combined, simply here you do 14cm - 6cm which is 8.

8 is the total length, meaning both sides added. See now that is the answer if you are finding out the total length (which is ha not the question).

Since you are trying to find only 1 side of the length, since there are 2 sides, you do 8 divided by 2, and BAM you get which is actually your answer as well!

PS. I don't even know if this is right though it should be right, use a calculator if you are doubtful :D

Happy New year!

8 0
2 years ago
Find the slope of the line that contains (4, -10) and<br> (3,9).
Tatiana [17]

Answer:

The slope of the line is -19. A line that will pass through that will be y=-19x+66. THE ANSWER YOU ARE LOOKING FOR IS THAT THE SLOPE IS -19

Step-by-step explanation:

m = (y2 - y1)/(x2 - x1)    [Formula to find slope from two points]

m=(9-(-10))/(3-4)           [Plugging the two points in]

m= -19                          [Answer]

6 0
3 years ago
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