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netineya [11]
3 years ago
8

Which of the following demonstrates the

Mathematics
1 answer:
Luden [163]3 years ago
3 0

The correct answer is d. 9 + 0 = 9​

Further explanation:

If x is an element of a set, and adding a number to it doesn't change it i.e. the result is also x then the number is called additive identity.

In mathematics, 0 is considered as additive identity because no matter with which number it is added, the number always remains same.

In the given options:

Option a. 5*1=5 demonstrates multiplicative identity

Option b. 3+5=5+3 demonstrates commutative property

Option c. 4+ (6 + 8) = (4+6) +8 demonstrates associative property

While the last option

d. 9 + 0 = 9​ demonstrates additive identity as zero is being added to 9 and the answer is also 9.

The correct answer is d. 9 + 0 = 9​

Keywords: Identities, Properties

Learn more about set properties at:

  • brainly.com/question/4795250
  • brainly.com/question/4713715

#LearnwithBrainly

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What is the slope of a line parallel to a line with slope 2/3
Effectus [21]

Answer:

2/3

Step-by-step explanation:

parallel lines have the same slope

given that a line has a slope of 2/3

a line that is parallel to this line would also have a slope of 2/3

3 0
3 years ago
2y+ 3 = 15<br> I have to solve for y but it is complicated
kramer

Answer:

y=6

Step-by-step explanation:

2y = 15 - 3

2y = 12

y = 6

I hope this helps

3 0
4 years ago
Read 2 more answers
A rectangle is 5.1 cm wide and each diagonal is 9.3 cm long. What is the measure of the angle between a diagonal and the shorter
Anastasy [175]

Answer:

56.7°

Step-by-step explanation:

A rectangle is 5.1 cm wide and each diagonal is 9.3 cm long. What is the measure of the angle between a diagonal and the shorter side of the rectangle to the nearest tenth of a degree?

We solve this question using the Trigonometric function of Sine

From the question, we are told that:

A rectangle is 5.1 cm wide

and each diagonal is 9.3 cm long.

Since we have a diagonal, this means the shape is transformed to a triangle.

The width of the rectangle = Adjacent side of a triangle = 5.1cm

The diagonal of the rectangle = Hypotenuse = 9.3cm

Hence,

cosθ = Adjacent/Hypotenuse

cosθ = 5.1/9.3

cosθ = 0.5483870968

θ = arccos(0.5483870968)

θ = 56.743568714°

Approximately = 56.7°

The measure of the angle is 56.7°

3 0
3 years ago
Find the measure of angle BCA.
MrMuchimi

Answer:

<h3>X=16</h3>

Step-by-step explanation:

9x + 1 + 5x + 12 + 10x - 37 = 360

24x  - 24 = 360

Add 24 to both sides

24x/24=384/24

answer = 16

hope it helps!!

5 0
3 years ago
Points P, Q, and S are collinear.<br><br> What is m∠SQR?
RideAnS [48]

Answer:

m∠SQR = 74°

Step-by-step explanation:

Points P, Q and R are collinear.

Therefore, angles PQR and angle RQS are the linear pair of angles.

Since linear pair of angles are supplementary angles.

m∠PQR + m∠RQS = 180°

By substituting the measures of the given angles,

(3m + 1) + (2m + 4) = 180

5m + 5 = 180

5m = 180 - 5

5m = 175

m = \frac{175}{5}

m = 35

Since, m∠SQR = (2m + 4)°

                        = (2×35) + 4

                        = 74°

Therefore, m∠SQR = 74° is the answer.

8 0
4 years ago
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