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3 years ago

The average of 4 numbers is 5. What is their sum? explain you answer

1 answer:

8 0

To find an average you add all numbers together then divide by the amount of numbers that you added. So if there are 4 numbers you would divide by 4. By going backwards you can find the answer. Multiply 5 by 4 and you get 20, which is the answer.

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Answers

Katen [24]

Answer:

D) y greater than equal to -1

Step-by-step explanation:

As in the graph, the line passes through y = -1 and the shaded art is above the line so all the values greater than y = -1 match the graph.

Mathematically:

y ≥ -1

i hope it will help you!

8 0

2 years ago

What is the area of the triangular base?

Ludmilka [50]

Answer:

90cm2

Step-by-step explanation:

1/2x base x height.

1/2 x10 x 18

90cm2

4 0

2 years ago

At a bake sale, the golf team sold all 50 cupcakes for $1.50 each. They sold almost all of the 100 cookies for $1.00 each. The t

abruzzese [7]

$204.75.
$1.50x50=$75.00 $100x$1.00=$100.00 4.25x7=$29.75=$204.75

8 0

2 years ago

The 100th term of 9, 93, 95, 97, ...

12345 [234]

Answer:

207

Step-by-step explanation:

5 0

2 years ago

What is the slope of the line? As soon as possible please !!

mixer [17]

Answer:

$m=\frac{-8}{5}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point (-1, 4)

Point (4, -4)

Step 2: Find slope m

Substitute [Slope Formula]: $m=\frac{-4-4}{4+1}$
Subtract/Add: $m=\frac{-8}{5}$

5 0

2 years ago