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tangare [24]
3 years ago
13

Can sum1 help me plssssss

Mathematics
1 answer:
garik1379 [7]3 years ago
8 0

Answer:

7 Stacks

Step-by-step explanation:

Set up the porportion- <u>6/7 and 3/28</u>

Find the LCF (least common factor) between 7 and 28- <u>28</u>

7 goes into 28 four times, so you multiply 7 and 6 by 4 and end with the fraction- <u>24/28</u>

now you find the number of stack you can make by dividing 3 into 24 and that leaves you with the answer <u>7 Stacks.</u>

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-2(-1x + 5y) + 3(2x - 6y) Use distributive property and combine like terms to solve *
Salsk061 [2.6K]

Answer:

8x - 28y

Step-by-step explanation:

-2(-1x + 5y) + 3(2x - 6y)

2x - 10y + 6x - 18y

collect like terms

2x + 6x - 10y - 18y

8x - 28y

3 0
3 years ago
Please answer it now in two minutes
Anettt [7]

Answer:

y = 1/5x - 6/5

Step-by-step explanation:

Step 1: Write out known variables

m = 1/5

y = 1/5x + b

Step 2: Find <em>b</em>

-1 = 1/5(1) + b

-1 = 1/5 + b

b = -6/5

Step 3: Write linear equation

y = 1/5x - 6/5

6 0
3 years ago
Write an equation of an ellipse in standard form with the center at the origin and a height of 12 units and width of 19 units.
gladu [14]

Answer:

The equation of the ellipse in standard form is 4x²/361 + y²/36 = 1

Step-by-step explanation:

* Lets revise the equation of the ellipse

- The standard form of the equation of an ellipse with center (0 , 0 )  

  and major axis parallel to the x-axis is x²/a² + y²/b² = 1  

# a > b  

- The length of the major axis is 2a  

- The coordinates of the vertices are ( ± a , 0 )  

- The length of the minor axis is 2b  

- The coordinates of the co-vertices are ( 0 , ± b )  

- The coordinates of the foci are ( ± c , 0 ) , where c ² = a ² − b²  

* Lets solve the problem

∵ The center of the ellipse is (0 ,0)

∵ Its width is 19 units

∴ The length of the major axis is = 19

∴ 2a = 19 ⇒ divide both sides by 2

∴ a = 19/2 ⇒ ∴ a² = 361/4

∵ Its height is 12 units

∴ The length of the minor axis is = 12

∴ 2b = 12 ⇒ divide both sides by 2

∴ b = 12/2 = 6 ⇒ ∴ b² = 36

- Lets write the equation in standard form

∵ The equation is x²/a² + y²/b² = 1

∴ x²/(361/4) + y²/36 = 1 ⇒ simplify it

∴ 4x²/361 + y²/36 = 1

* The equation of the ellipse in standard form is 4x²/361 + y²/36 = 1

7 0
3 years ago
I will give brainliest i need help
faltersainse [42]

Answer:

A. That he is often blamed for things that are not his fualt.

Step-by-step explanation:

3 0
3 years ago
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KatRina [158]

Answer:

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