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r-ruslan [8.4K]
3 years ago
6

I need help on this Write an expression for "the sum of d and 9."

Mathematics
1 answer:
shepuryov [24]3 years ago
8 0

Answer:

Sum means to Add.

Step-by-step explanation:

and So the sum of d and 9 would be d + 9

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Write an equation of the circle with center (-7, -4) and radius 6 .
siniylev [52]

Answer:

(x+7)^2 + (y+4)^2 = 6^2

or

(x+7)^2 + (y+4)^2 = 36

Step-by-step explanation:

We can write the equation of a circle in the form

(x-h)^2 + (y-k)^2 = r^2

Where (h,k) is the center and r is the radius

(x--7)^2 + (y--4)^2 = 6^2

(x+7)^2 + (y+4)^2 = 6^2

or

(x+7)^2 + (y+4)^2 = 36

8 0
4 years ago
The formula for the surface area of a cube is A equal 6 s to the power of 2 comma where s is the side length. Cube X has a side
cricket20 [7]

Answer:

Surface area of Cube Y is 3 times greater than the surface area of cube X

Step-by-step explanation:

Surface area of a cube,A = 6s²

Where,

s = side length

Cube X has a side length of 1,

Surface area of cube, X = 6s²

= 6 * 1²

= 6 * 1

= 6

cube Y has a side length of 2

Surface area of cube, Y = 6s²

= 6 * 2²

= 6 * 4

= 24

How much greater is the surface area of cube Y than cube X?

Surface area of Cube Y is 3 times greater than the surface area of cube X

3 0
3 years ago
0.02 as a mixed number in simplest form
BARSIC [14]
0.02 as a mixed number is 2/100 which is reduced to 1/50
6 0
4 years ago
If the Knicks win 5 games for every 2 they lose, then how many wins would they have if they played a total of 84 games?
Olenka [21]

Answer:90

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Help please!!! I really don’t know how to do this!
AysviL [449]

Answer:

I'm going to do 1 as an example and using what I've taught you, you have to do the rest. Hope my explanation helps.

Step-by-step explanation:

We are given the points (-2, -4) and (-1, -1)

We need to find the slope.

The equation to do so is y2 - y1 / x2 - x1

lest say:

-2 is x1

-4 is y1

-1 is x2

-1 is y2

-1 - (-4) / -1 - (-2)

3/1 = 3

slope (m) = 3

We already know the y-intercept is 2

The equation of a line is y = mx + b

For this problem we just have to substitute what we already know.

y = (slope)x + y-intercept

y = 3x + 2

*TIP*

If the y-intercept is negative, let's say: b = -5  (using slope 8)

the equation will be y = 8x - 5

Hope this helps. I wish you all the best. :)

5 0
2 years ago
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