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3 years ago

15

An expression is a numeric characteristic of a subject, sample, or population. True or False?

1 answer:

Rainbow [258]3 years ago

5 0

The statement above is TRUE.
In mathematics, an expression refers to a definite combination of symbols, which are formed according to mathematical rules. Mathematical symbols can be used to represent numbers, variables, operations, functions, etc. Each mathematical expression usually have its order of operation.The parts of mathematical expression are called terms.

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What is the measure of A

Rainbow [258]

Given:

A figure of a triangle.

To find:

The measure of angle A.

Solution:

Label the points in the figure as shown below.

In the below figure,

$\angle ACB\cong \angle DCE$ (Vertically opposite angles)

$m\angle ACB=m\angle DCE$ (Congregant angles)

$m\angle ACB=8x+4$

Using exterior angle theorem in triangle ABC, we get

$m\angle A+m\angle C=\text{Exterior }m\angle B$

$m\angle BAC+m\angle ACB=130^\circ$

$(3x-6)+(8x+4)=130^\circ$

$11x-2=130^\circ$

Isolate the variable term x.

$11x=130^\circ+2$

$11x=132^\circ$

$x=\dfrac{132^\circ}{11}$

$x=12^\circ$

Now, the measure of angle A is:

$m\angle A=3x-6$

$m\angle A=3(12^\circ)-6$

$m\angle A=36^\circ-6$

$m\angle A=30^\circ$

Therefore, the correct option is B.

3 0

2 years ago

Rewrite from least to greatest .33 -.12 -.127 .2 45/10

N76 [4]

-.127, -12, .33, & 45/10 are the answers.

8 0

3 years ago

Mai and priya scooters. Mai travel 50 m in six seconds. Priya travel 22 m in 10 seconds who is moving faster

Anton [14]

Answer:Mai is moving faster

Step-by-step explanation:

Speed is given as = Distance / Time

Mai's speed = 50 / 6= 8.333 m/s

Priya's speed = 22 /10 = 2.2 m/s

Since Mai is moving at 8.333 meter per second compared to Priya who s moving at 2.2 meter per second , We can say Mai is moving faster

4 0

3 years ago

What Is the value of n? -2/3n= 12

Zielflug [23.3K]

The answer is 18 You divide 12 buy -2/3

5 0

3 years ago

How do you solve this problem ?

svetlana [45]

Answer: 2y124√y12

How to: <u>Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.</u>

Have a great day and stay safe !

3 0

3 years ago

Read 2 more answers