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3 years ago

With solving and it’s better to edit the photo and send it

Mathematics

1 answer:

Inessa05 [86]3 years ago

5 0

Answer:

$a) \: \: x + 2 = 4 \\ x = 4 - 2 \\ x = 2 \\ \\ b) \: \: x - 5 = 10 \\ x = 10 + 5 \\ x = 15 \\ \\ c) \: \: x - 6 = 11 \\ x = 11 + 6 \\ x = 17 \\ \\ d) \: \: x - 7 = 21 + 4 \\ x = 21 + 4 + 7 \\ x = 32 \\ \\ e) \: \: 3 = x - 6 \\ 3 + 6 = x \\ 9 = x \: \: or \: \: x = 9 \\ \\ f) \: \: 8 = 2 + x \\ 8 - 2 = x \\ 6 = x \: \: or \: \: x = 6 \\ \\ g) \: \: 3 = 7 + x - 6 \\ 3 + 6 = 7 + x \\ 9 - 7 = x \\ 2 = x \: \: or \: \: x = 2 \\ \\ h) \: \: 50 = x - 4 \\ 50 + 4 = x \\ 54 = x \: \: or \: \: x = 54 \\ \\ i) \: \: 3 = x - 6 \\ 3 + 6 = x \\ 9 = x \: \: or \: \: x = 9 \\ \\ j) \: \: 3 = z - 12 \\ 3 + 12 = z \\ 15 = z \: \: or \: \: z = 15 \\$

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Saira is using the formula for the area of a circle to determine the value of LaTeX: \piπ. She is using the expression LaTeX: Ar

lord [1]

Given:

Area of a circle, A=50.265 sq. units.

Radius of circle, r = 4 units.

To find:

The value of π to the nearest thousandth.

Solution:

Formula for area of a circle is

$A=\pi r^2$

$\dfrac{A}{r^2}=\pi$

$Ar^{-2}=\pi$

Now, using $Ar^{-2}$ expression, we can find the value of π.

$\pi=50.265904(4)^{-2}$

$\pi=\dfrac{50.265904}{4^2}$

$\pi=\dfrac{50.265904}{16}$

$\pi=3.141619$

Approximate the value to the nearest thousandth (three digits after decimal).

$\pi\approx 3.142$

Therefore, the approximated value of π is 3.142.

8 0

3 years ago

Using 8(-20) in a real world situation

Paul [167]

Maybe, the price went down $20 eight times?

5 0

3 years ago

Given that P=x+y Find P when: x=11and y=6 what is p ?

frutty [35]

Answer:

P = 17

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Step-by-step explanation:

Step 1: Define

P = x + y

x = 11

y = 6

Step 2: Evaluate

Substitute: P = 11 + 6
Add: P = 17

And we have our final answer!

4 0

3 years ago

Solve the following: 3.12 × 1,000 = _____.

torisob [31]

Answer:

60000000.00

Step-by-step explanation:

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8 0

3 years ago

two pools are being drained.To start,the first pool had 3100 liters of water and the second had 3472 liters of water.Water is be

miss Akunina [59]

First pool: 21 liters per min so to get 3100 gone do 3100 divided by 21 which equals 147
Second pool: 33 liters per min and you have 3472 divided 33 = 105

5 0

3 years ago