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GarryVolchara [31]
2 years ago
12

Please answer it’s important thanks

Mathematics
2 answers:
Veseljchak [2.6K]2 years ago
7 0

Answer:

3.14

Step-by-step explanation:

Hello! To get the formula we must first use the formula!

The formula is pi * r^2. In this case since r = 1, we know 1 * 1 = 1.

And since we are going to use 3.14 for pi, we can do 1 * 3.14 which is 3.14.

Hoped this helped ya :)

VikaD [51]2 years ago
4 0

Answer:

The area of circle is 3.14 units²

Step-by-step explanation:

It is given that the formula of area of circle is, A = π×r², where r represents radius of circle. The diagram has given the value of radius so you just have to plug the r value into the formula,

r = 1 unit

A = π×1²

= 3.14 units² (3s.f)

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write the slope - intercept equation of the line that passes through the point (6, "-1)" and has a slope of "-1/3"
TEA [102]

Answer:

y = - \frac{1}{3} x + 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - \frac{1}{3} , then

y = - \frac{1}{3} x + c ← is the partial equation

To find c substitute (6, - 1 ) into the partial equation

- 1 = - 2 + c ⇒ c = - 1 + 2 = 1

y = - \frac{1}{3} x + 1 ← equation of line

8 0
2 years ago
Hello, I really struggle with math and I was wondering if you could help me with the following problem please? It will be much a
xz_007 [3.2K]

Answer:

x=7

Step-by-step explanation:

Simplifying

3x + 2(4 + 6x) = 113

3x + (4 * 2 + 6x * 2) = 113

3x + (8 + 12x) = 113

Reorder the terms:

8 + 3x + 12x = 113

Combine like terms: 3x + 12x = 15x

8 + 15x = 113

Solving

8 + 15x = 113

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-8' to each side of the equation.

8 + -8 + 15x = 113 + -8

Combine like terms: 8 + -8 = 0

0 + 15x = 113 + -8

15x = 113 + -8

Combine like terms: 113 + -8 = 105

15x = 105

Divide each side by '15'.

x = 7

Simplifying

x = 7

5 0
2 years ago
Read 2 more answers
50 POINTS AND BRAINLIEST! The problem has a graph with a line that goes from the right to the left on the y axis on 2.5
Olin [163]

Answer:

Step-by-step explanation:

y=-1

because when y = - 1,

it is an equation of x axis.. hence it will parallel to x axis....

8 0
3 years ago
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2/5 of a number is what percentage of that number?
Law Incorporation [45]

Answer:

40%

Step-by-step explanation:

In order to find percent, you can set up the fraction 2/5 to the equation x/100.

\frac{2}{5}=\frac{x}{100}

Then solve using algebra to cross-multiply.

(2*100)=(x*5)

200 = 5x

x = \frac{200}{5} = 40

so the answer is 40%.

8 0
3 years ago
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