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3 years ago

The sum of three and a number is 24

Mathematics

2 answers:

Olin [163]3 years ago

7 0

Answer:

Step-by-step explanation:

let the number be 'x' then,

according to the question,

or, 3 + x = 24

or, x = 24 - 3

therefore , x = 21 ans

Whitepunk [10]3 years ago

4 0

Answer:

Step-by-step explanation:

whenever you see these questions, just subtract the first number, 3, from the total number. Doing this, 24 - 3 = 21

The number is 21

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2. How can we tell if a number is divisible by 4?

Akimi4 [234]

Answer:

Step-by-step explanation:

The last two digits of the number are divisible by 4

Example: 5624

last two digit 24 and 24 is divisible by 4. 5624 is divisible by 4

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4 years ago

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3 years ago

Zahin has 4/6

LenKa [72]

Answer:

2/15 or 0.13

Step-by-step explanation:

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3 years ago

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HELP ME PLEASE!!! this dosent make sense

Andreyy89

Answer:

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3 years ago

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If A = 50 degrees, B = 62 degrees, and a = 4, find b. Round to the nearest tenth.

____ [38]

Answer:

$b \approx 4.6$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Pre-Calculus

Law of Sines: $\frac{sin(A)}{a} = \frac{sin(B)}{b}$

Step-by-step explanation:

Step 1: Define

A = 50°

B = 62°

a = 4

Step 2: Solve for b

Substitute [LOS]: $\frac{sin(50)}{4} = \frac{sin(62)}{b}$
Cross-multiply: $bsin(50) = 4sin(62)$
Isolate b: $b = \frac{4sin(62)}{sin(50)}$
Evaluate: $b = 4.61042$
Round: $b \approx 4.6$

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3 years ago