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3 years ago

15

Classify the triangle by its angles and sides. Explain how you knew which classifications to use

2 answers:

Ronch [10]3 years ago

5 0

Answer:

can i see a pic

Step-by-step explanation:

Sonja [21]3 years ago

3 0

Answer:

scalen triangle

Step-by-step explanation:

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Guys really need help so please

MA_775_DIABLO [31]

Answer:

42 1/3

Step-by-step explanation:

add.

6 0

4 years ago

In order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is selected.

Phoenix [80]

Answer:

c. 60

Step-by-step explanation:

Given

$n = 61$ --- sample

$\bar x = 23$

Required

Determine the degrees of freedom (df)

This is calculated as:

$df = n - 1$

$df = 61 - 1$

$df = 60$

8 0

3 years ago

Which expression is equivalent to 3 3/7?<br> 0 24 = 7<br> O 13 = 7<br> 0 30 = 7<br> O I don't know.

anzhelika [568]

24 = 7
24/7 is equal to 3 3/7

4 0

3 years ago

3x - y = 2 and 2x + y = 4<br> X=<br> y =

AveGali [126]

Answer:

.The solution is

x = 1.2

y = 1.6

6 0

3 years ago

Read 2 more answers

Find the solution set for 8x - 3 = 2(x - 1/2)

KiRa [710]

Answer:

x = 1/3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

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

8x - 3 = 2(x - 1/2)

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

Distributive 2: 8x - 3 = 2x - 1
Subtract 2x on both sides: 6x - 3 = -1
Add 3 to both sides: 6x = 2
Divide 6 on both sides: x = 1/3

4 0

3 years ago