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1 year ago

Pls solve this. this is of set class 9.

Mathematics

1 answer:

Novay_Z [31]1 year ago

8 0

Here is the answer :

people who like both the songs is 35 and

people who like only folk songs is 100.

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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

An obtuse triangle has two angles 45 n 18 ,and a third unknown angle theta what's the value of the unknown angle

zlopas [31]

Answer:

An obtuse triangle has two angles 45 and 18. The value of the unknown angle is $117^{\circ}$

Solution:

Given that two angles of an obtuse triangle is 45 and 18.

Third angle is θ

We are asked to find the value of third unknown angle theta

According to angle sum property of triangle, sum of three angles of triangle is $180^{\circ}$

This means in our case sum of 45, 18 and θ should be $180^{\circ}$

$\begin{array}{l}{=>45+18+\theta=180} \\ {=>\theta=180-63=117^{\circ}}\end{array}$

Hence value of unknown third angle of an obtuse triangle is $117^{\circ}$

7 0

3 years ago

Can any body help me with my homework

swat32

Well, it depends. will you show us the homework?

4 0

2 years ago

Read 2 more answers

I will mark brainlest What is (-5) - (-98) lol I am just doing this for fun

denpristay [2]

Step-by-step explanation:

$( - 5) - ( - 98) \\ ( - 5) + 98 = 93$

6 0

2 years ago

Read 2 more answers

Northside Middle School spent $1187.50 on 95 math books. How much did each book cost?

trasher [3.6K]

Answer:

Each book cost $12.50 dollars.

Step-by-step explanation:

1,187.50 / 95 = 12.50

6 0

2 years ago

Read 2 more answers