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3 years ago

Banu is 20 years older than binu. In 5 years, Banu will be twice as old as binu. Find their present age.

Mathematics

1 answer:

Agata [3.3K]3 years ago

7 0

Answer:

15?

Step-by-step explanation:

If Binu is 15, in 5 years they will be 20. And if Banu is 20 years older, in 5 years they will be 40 (becuase 15 + 20 = 35 and then + the 5 years) Thats twice Binu's age. So Binu is 15 I would assume?

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What is the slope? First, determine the slope. (200,14) (225,16)

Maksim231197 [3]

Answer:

$\displaystyle m=\frac{2}{25}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

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

Step-by-step explanation:

Step 1: Define

Point (200, 14)

Point (225, 16)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [SF]: $\displaystyle m=\frac{16-14}{225-200}$
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3 years ago

What is the measure of <7?

mash [69]

Answer:

120

Step-by-step explanation:

<2 = 120 degrees

<3 = <2 vertical angles

Assuming b is parallel to c

<3 = <6 alternate interior angles

<6 = <7 vertical angles

<2 = <7 =120

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