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Snowcat [4.5K]
4 years ago
10

Which are irrational and which are rational ?

Mathematics
1 answer:
a_sh-v [17]4 years ago
8 0

Answer: 8/9 is rational

.2593 irrational

square root of 7: irrational

square root of .25 is rational

square root of 14: irrational

0 is a: rational

square root of 280: irrational

square root of 35: is irrational

.2222: is rational

square root of 3r is a rational number......

Step-by-step explanation:

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Solve the following system of equations algebraically:<br> y = 3x2 – 12x + 16<br> y = -x + 6
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Answer:

x=2

y=4

Step-by-step explanation:

Explanation is in picture

8 0
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Which postulate can be used to prove the triangles shown are congruent ?
gogolik [260]

As we see from the diagram, in order:-   side - angle - side are equal

So its SAS

4 0
3 years ago
You have seven red marbles and seven blue marbles in a bag. You randomly take a marble from the bag , and then you randomly take
nignag [31]

Answer:

50%

Step-by-step explanation:

if there are 2 sets of 7 marbles each part is worth 50% (them put together is 100%). Therefore you have a 50% chance of getting a red marble

6 0
3 years ago
How would you solve this?
Xelga [282]
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7 0
3 years ago
The slope of a line is 5. A (2, 1) is a point on the line. Another point, B, on the line has y=81. What is the x-value at this p
HACTEHA [7]

The x-value at the point, denoted by d, is 18

<h3>Slope of a line </h3>

From the question, we are to determine the x-value at point B on the line

Given the points (x₁, y₁) and (x₂, y₂) on a line.

The slope, m, of a line with two points (x₁, y₁) and (x₂, y₂) on the line is given by the formula

m = (y₂ - y₁)/(x₂ - x₁)

From the given information,

Point A is (2, 1)

Point B is (d, 81)

That is,

x₁ = 2

y₁ = 1

x₂ = d

y₂ = 81

and

slope, m = 5

Thus,

5 = (81 - 1) / (d - 2)

5 = 80/(d -2)

5(d - 2) = 80

5d - 10 = 80

5d = 80 + 10

5d = 90

d = 90/5

d = 18

Hence, the x-value at the point, denoted by d, is 18

Learn more on Slope of a Line here: brainly.com/question/19012287

#SPJ1

4 0
2 years ago
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