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lawyer [7]
3 years ago
14

Easyyyy math problem5pts

Mathematics
1 answer:
viva [34]3 years ago
6 0
No additional information is needed.
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What is the avarege of -2.5,5.2,1.7 and -0.8
aleksandr82 [10.1K]

Average:

4.4 / 3 = 1.4666666666667

Count:

3

Sum:

4.4

Average:

4.4 / 3 = 1.4666666666667

Count:

3

Sum:

4.4

5 0
3 years ago
Solve by using substitution. Express your answer as an ordered pair.
Deffense [45]

Answer:

(1, -2)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

4x + y = 2

y = x - 3

<u>Step 2: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                    4x + (x - 3) = 2
  2. Combine like terms:           5x - 3 = 2
  3. Isolate <em>x</em> term:                     5x = 5
  4. Isolate <em>x</em>:                              x = 1

<u>Step 3: Solve for </u><em><u>y</u></em>

  1. Define equation:                    y = x - 3
  2. Substitute in <em>x</em>:                       y = 1 - 3
  3. Subtract:                                 y = -2
7 0
3 years ago
Read 2 more answers
Really need help with this one
Schach [20]

I believe it is choice B.

The center is at 2,-6 and the radius is 2.

5 0
3 years ago
Ms. Avella’s class volunteers at an animal shelter one day per week.each student is responsible for caring for four animals duri
SOVA2 [1]

Answer:

Option (3)

Step-by-step explanation:

Since, every student is responsible for the caring of 4 animals during every hour,

Number of animals cared for ∝ Number of hours spent at shelter  

a ∝ h

a = kh

Here 'k' = proportionality constant

For h = 1 and a = 4,

k = \frac{h}{a}=\frac{4}{1}

k = 4

a = 4h

By this equation,

For h = 2,

a = 8

For h = 3,

a = 12

For h = 4,

a = 16,

For h = 5,

a = 20

Since, for every input value there is a different output value,

Diagram shows a function.

Therefore, Option (3) will be the correct option.

6 0
4 years ago
State whether the following statements are True or False:
levacccp [35]

Answer:

a) False

b) True

c) True

d) False

Step-by-step explanation:

6 0
3 years ago
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