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4 years ago

What is the answer when u covert the fraction 9/20 to decimal

Mathematics

1 answer:

ozzi4 years ago

7 0

$\dfrac{9}{20}=\dfrac{45}{100}=0.45$

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1. Find the slope of the line that goes through the points (2, 5) and (6, 7)

ella [17]

Answer:

$\displaystyle m = \frac{1}{2}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m = \frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Identify

Point (2, 5)

Point (6, 7)

Step 2: Find slope m

Substitute in points [Slope Formula]: $\displaystyle m = \frac{7-5}{6-2}$
[Fraction] Subtract: $\displaystyle m = \frac{2}{4}$
[Fraction] Simplify: $\displaystyle m = \frac{1}{2}$

7 0

3 years ago

3n+22 +2n+38=180 m angle

s344n2d4d5 [400]

3n+2n= 5n
22+38=60
180-60=60
60=5n
n=12

8 0

3 years ago

Use the calculator to graph the functions y = -x + 5 + 2 and y=-(x - 1)2 + 3. Which statement is true?

Nitella [24]

The y is greater than the function

5 0

3 years ago

the five gonzalez children had a total of $66.30 to spend at the fair. How much would each child have to spend?

OverLord2011 [107]

The answer is: $13.26

8 0

3 years ago

A factory sells backpacks for $40.00 each. The cost to make 1 backpack is $10.00. In addition to the cost of making backpacks, t

Angelina_Jolie [31]

Answer:

<h2>The factory needs to sell 327 packbacks to make at least 9,800 per week.</h2>

Step-by-step explanation:

We know that each backpacks is sold for $40.00.

The goal is to make at least $9,800 per week. With this information we can define the inequality

$40x -10x \leq 9,800$

Where $x$ represents backpacks. Notice that this inequality is about profits, that's why we subtract the cost from the sell price, in this case, the profid margin is $30.00 per backpack, so

$30x\leq 9,800$

Solving for $x$

$x\leq \frac{9800}{30}\\ x \leq 326.67$

Therefore, the factory needs to sell 327 packbacks to make at least 9,800 per week.

7 0

3 years ago