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2 years ago

Is –3/2 an irrational number?

Mathematics

1 answer:

Dahasolnce [82]2 years ago

7 0

Answer:

-3/2 is a rational number

Step-by-step explanation:

<u>Step 1: Identify if an irrational number </u>

A number is irrational if you divide it and it becomes an endless amount of decimals. A number is rational if it has a terminating decimal point.

-3/2 -> -1.5

Since this number terminates, it is a rational number.

Answer: -3/2 is a rational number

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Y = -x - 1 and y = 1/2x + k intersect at the point (-2,1). Find the value of k.

Lena [83]

Answer:

k = 2

Step-by-step explanation:

(-2,1) = (x,y) So you substitute -2 and 1 for x and y

1 = -(-2) - 1 1 = 1/2 × -2 + k

1/2 × -2 = -1 -1 + 2 = 1

k = 2 1 = 1/2 × -2 + 2

I hope this helps

8 0

2 years ago

Give 1 pair of Vertical and 1 pair of Supplementary angles

mojhsa [17]

Solution:

Vertical angles are a pair of opposite angles formed by intersecting lines. re vertical angles. Vertical angles are always congruent.

These two angles (140° and 40°) are Supplementary Angles because they add up to 180°:

Notice that together they make a straight angle.

Hence,

From the image

The following pairs form vertical angles

$\begin{gathered} \angle1=\angle3(vertical\text{ angles)} \\ \angle2=\angle4(vertical\text{ angles)} \\ \angle5=\angle7(vertical\text{ angles)} \\ \angle6=\angle6(vertical\text{ angles)} \end{gathered}$

Hence,

One pair of the vertical angles is ∠1 and ∠3

Part B:

Two angles are said to be supplementary when they ad together to give 180°

Hence,

From the image,

The following pairs are supplementary angles

$\begin{gathered} \angle5+\angle6=180^0(supplementary\text{ angles)} \\ \angle5+\angle8=180^0(supplementary\text{ angles)} \\ \angle7+\angle8=180^0(supplementary\text{ angles)} \\ \angle6+\angle7=180^0(supplementary\text{ angles)} \\ \angle1+\angle2=180^0(supplementary\text{ angles)} \\ \angle1+\angle4=180^0(supplementary\text{ angles)} \\ \angle2+\angle3=180^0(supplementary\text{ angles)} \\ \angle3+\angle4=180^0(supplementary\text{ angles)} \end{gathered}$

Hence,

One pair of supplementary angles is ∠5 and ∠6

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11 months ago

Who would have a difficult time responding to this survey question? Select all that apply.

I am Lyosha [343]

Answer:

18 and 65

Step-by-step explanation:

under 18 would be 17 and under, therefore not including 18 year olds. obviously they are not 19 yet either, so they wouldn't fall into either category, therefore they may be unsure of what to answer.

same with 65 year olds; they are more than 64 year old, but not yet /over/ 65, therefore they would not fit into either category either.

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3 years ago

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Mr. Rijo bought 49 bags of soil one week & 28 bags of soil the next . which expression applies the distributive property to

velikii [3]

The answer is the 48+28=(7)(7)+(14)(2)

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3 years ago

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3. Please help me with this question

bagirrra123 [75]