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3 years ago

How to solve problem

Mathematics

1 answer:

sergey [27]3 years ago

6 0

Your equation would be 2x - 12 + 3x - 15 = 23
Combine like terms and solve for x

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What is the equation in point slope form of the line that passes through the point

Anuta_ua [19.1K]

Answer:

$\large\boxed{y+2=3(x-1)}$

Step-by-step explanation:

$\text{The point-slope form:}\\\\y-y_1=m(x-x_1)\\\\m-slope\\(x_1,\ y_1)-point\\\\\text{We have the slope}\ m=3\ \text{and the point (1, -2). Substitute:}\\\\y-(-2)=3(x-1)\\\\y+2=3(x-1)$

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3 years ago

Evaluate each expression if a = 3 , b = 5 and c=1 b-c

Nezavi [6.7K]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

a = 3, b = 5, c = 1

b - c

Step 2: Evaluate

Substitute: 5 - 1
Subtract: 4

7 0

2 years ago

What is the slope of the line represented by the equation y=-3x+ *?

USPshnik [31]

The slope is the number before x, so -3

7 0

2 years ago

What is the area of the square? 2 m square meters

Mariulka [41]

Answer:

Step-by-step explanation:

the ratio to find a square’s area is side length times side length, i.e.

sl * sl = a

2m * 2m = 4m

hope this helps!

5 0

2 years ago

Read 2 more answers

The number of electoral votes each state is assigned is determined by the size of its population every ten years. The chart show

sattari [20]

Answer:

D. $Q_3=47$

Step-by-step explanation:

We have been given a table that represents the the number of electoral votes California was assigned each decade of the past century. We are asked to find the 3rd quartile of our given data.

The number of votes are: 9, 13, 13, 22, 25, 32, 40, 45, 47, 54, 55.

We will use upper quartile formula to solve our given problem.

$Q_3=\frac{3}{4}*(n+1)^{\text{th term}}$ , where, n represents the number of elements in the data set.

We can see that our data set has 11 data points, so upon substituting n=11 in above formula we will get,

$Q_3=\frac{3}{4}*(11+1)^{\text{th term}}$

$Q_3=\frac{3}{4}*(12)^{\text{th term}}$

$Q_3=3*3^{\text{th term}}$

$Q_3=9^{\text{th term}}$

Now let us count 9th term of our data set. Upon counting our data set from left to right we can see that 9th term of our data set is 47, therefore, 3rd quartile of our given data is 47 and option D is the correct choice.

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3 years ago

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