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lianna [129]
3 years ago
5

The circle has a radius of 5 cm. Find the circumference. Give your answer to the nearest tenth. Use pi on your calculator. DO NO

T WRITE THE UNITS IN YOUR ANSWER
Mathematics
2 answers:
poizon [28]3 years ago
8 0

Answer:

Step-by-step explanation:

Circumference is pi × diameter

Diameter is 2x radius

10π is the circumference

10π= 31.4cm

Leviafan [203]3 years ago
3 0

Answer:

31.4

Step-by-step explanation:

Diameter = 2 * radius = 2 * 5 = 10

Circumference = pi * diameter = 3.14 * 10 = 31.4

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The pair of points (-4, y) and (5, 7) lie on a line with slope . What is the value of y? You must show all of your work to recei
Svetach [21]

The slope of a line is given by the ratio of the rise to the run of the line.

The value of, y is <u>4</u>

Reasons:

The given points on the line are; (-4, y), and (5, 7)

The slope of the line, = \dfrac{1}{3}

Required:

To find the value of <em>y</em>

<em />

Solution:

The formula for the slope is given as follows;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

Where;

(x₁, y₁) = (-4, y)

(x₂, y₂) = (5, 7)

Which gives;

Slope, \, m =\dfrac{7-y}{5-(-4)} = \dfrac{7-y}{5+4} =\dfrac{1}{3}

3·(7 - y) = 1·(5 + 4) = 9

21 - 3·y = 9

3·y = 21 - 9 = 12

y = \dfrac{12}{3} = 4

The value of, y = <u>4</u>

Learn more here:

brainly.com/question/1617757

8 0
3 years ago
Evaluate<br> 10m + n2/4 when m = 5 and n = 4
posledela

Answer:

52 units

Step-by-step explanation:

1) 10m + n2/4

Substitute within the equation

2) 10(5) + (4)2/4
Simplify

3) 50 + (4 x 2/4) = 50 + (4 x 1/2) = 50 + 2 = 52 units

4 0
2 years ago
Read 2 more answers
What is 16% of 375?Thank You
Elan Coil [88]
The answer would be 60 hope this helps
6 0
3 years ago
First to answer CORRECTLY gets a reward! :D
Lesechka [4]

Answer:

Hot, Dim, Small

7 0
4 years ago
2x - 3y = 2, 4x + 7y = -9.​
kodGreya [7K]

Step-by-step explanation:if you like it press <u>thank you</u> ❤❤❤

2x-3y=2 4x+7y= -9

2x=2+3y

<u>2</u>x=<u>2</u><u>+</u><u>3</u><u>y</u>

2 2

x=<u>2</u><u>+</u><u>3</u><u>y</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>4(<u>2</u><u>+</u><u>3</u>y) + 7y= -9

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>2 2

<u>8</u><u>+</u><u>1</u><u>2</u><u>y</u><u> </u>+ 7y= -9

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>2

<u>8</u><u>+</u><u>1</u><u>2</u><u>y</u><u>+</u><u>1</u><u>4</u><u>y</u><u> </u>= -9

2

8+12y+14y= -18

26y= -26

<u>2</u><u>6</u><u>y</u><u> </u>= <u>-</u><u>2</u><u>6</u>

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>26 26

y= -1

4x+7(-1)= -9

4x+(-7)= -9

4x-7= -9

<u>4</u><u>x</u><u> </u>= -<u>2</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>now lets check,4(-<u>1</u>) + 7(-1)= -9 or 2(<u>-</u><u>1</u>)-3(-1)=2

4 4 2 2

x=<u>-</u><u>1</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>-</u><u>4</u><u> </u>+(-7) = -9 -1-(-3)=2

<u> </u><u> </u><u> </u><u> </u>2 2 -1+3=2

-2-7= -9 2=2

-9= -9

so the answer is x= <u>-</u><u>1</u><u> </u><u> </u><u> </u>and y= -1

2

6 0
3 years ago
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