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Elenna [48]
3 years ago
14

PLEASE HELP ME WITH THIS!!!!!!!!!!!

Mathematics
1 answer:
torisob [31]3 years ago
3 0

Answer:

7. 76.7

8. 12.6

Step-by-step explanation:

Let me know in the comments if you want me to explain :)

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( Will give Brainliest) Please Help <br> Solve the equation for y.<br><br> 6 = 4x + 9y
Alex Ar [27]

Answer:

Step-by-step explanation:

9y = -4x + 6

y = -4/9x + 2/3

4 0
3 years ago
If the radius of the circle is 3 in, what is the area of the circle?
murzikaleks [220]

The area of the circle is 28.26 in²

<u>Explanation:</u>

Given:

Radius of the circle, r = 3 in

Area of circle, A = ?

We know:

Area of circle = πr²

The value of π is 3.14

Thus,

A = 3.14 X (3)²

A = 3.14 X 9

A = 28.26 in²

Therefore, the area of the circle is 28.26 in²

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3 years ago
How do you write 2916 divided by 9 in the Associative Property
inysia [295]
You can only multiply and add with associative property. are you talking about distributive property or identity property
7 0
3 years ago
(1st pic) What is the equation of the line shown in this graph?
vredina [299]

Answer:

For figure 1: The equation of a line is y=1

For figure 2: The equation of a line is y=(-4)x+1

For figure 3:The equation of a line is y=\frac{-5}{2}x+5

Step-by-step explanation:

The equation of line slope-intercept form is given by y=mx+c

Where m is the slope of the line and c is the y-intercept.

For figure 1:

Here, Line is parallel to x-axis

Hence, Slope m=0

Also, Line passing to y axis at (0,1)

Y-intercept is c=1

Therefore,

The equation of line is

y=0x+1

y=1

For figure 2:

Figure show a line passing through point (1,-3) and (-1,5)

The slope of the line is given by m=\frac{Y2-Y1}{X2-X1}

Using given points to find out the slope of a line

m=\frac{Y2-Y1}{X2-X1}

m=\frac{5-(-3)}{(-1)-1}

m=\frac{8}{-2}

m=(-4)

Also, Line is intersecting y-axis at (0,1)

Hence, c=1

We can write the equation of line as

y=mx+c

y=(-4)x+1

Thus, The correct option is D). y=(-4)x+1

For figure 3:

From the figure, a line is passing through points (-2,0) and (0,5)

The slope of the line is given by m=\frac{Y2-Y1}{X2-X1}

Using given points to find out the slope of a line

m=\frac{Y2-Y1}{X2-X1}

m=\frac{5-0}{0-(-2)}

m=\frac{-5}{2}

Also, Line is intersecting y-axis at (0,5)

Hence, c=5

We can write the equation of line as

y=mx+c

y=\frac{-5}{2}x+5

4 0
3 years ago
Ellen is currently twice as old as Maria, but in 6 years, Maria will be 2/3 as old as Ellen. How old is Ellen now?​
melomori [17]
7 this is right beacuase it is trust
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