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choli [55]
3 years ago
9

If 5k = -25, then 5k - 1 = -25 - 1 Segment proof

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
6 0
Yeah cuz u could +1 to each side of the second equation to get rid of both the -1’s and that is equivalent to the first equation :)
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10 pink cards, 10 blue cards, and 10 yellow cards, each color-set labeled 1-10, are placed in a bucket. What is the probability
icang [17]

Answer:

0.00176

Step-by-step explanation:

Probability = 10/30 × 9/29 × 8/28 × 7/27 × 6/26

= 56/31668

8 0
3 years ago
What is x squared equals 9 over 256
Lady bird [3.3K]

Answer:

9^2/256

Exact form is 81/256

Decimal form is 0.31640625

Step-by-step explanation:

Raise 9 to the power of 2.

81/256

The result can be shown in multiple forms.

Exact Form:

81/256

Decimal Form:

0.31640625

4 0
2 years ago
What is the center and radius of the following circle: x2 + (y _ 6)_ = 50
Rama09 [41]
The true question should be like this:
<span>What is the center and radius of the following circle: x^2 + (y _ 6)^2 = 50, 
circle quation formula is (x-a)^2 + (y-b)^2 = R², so by identifying each term, we find </span>(x-a)^2=x^2 = (x-0)^2, (y-b)^2= (y _ 6)^2, R² = 50, implies R =5sqrt(2), 
it is easy to identify that the center is (a,b)= (0, 6)
the radius is R =5sqrt(2), 
3 0
2 years ago
The amount of money left in Alma’s bank account is expressed by the linear equation y = -27x + 577, where x represents the numbe
marissa [1.9K]
145=-27x + 577
27x=432
x=16 weeks
6 0
3 years ago
Read 2 more answers
Write an equation for the table 2 5 5.6 14 7 17.5 8 20
vova2212 [387]

The equation for the table is y = 2.5 x

Step-by-step explanation:

The table is:

  • x  →  2    :    5.6    :    7    :    8
  • y  →  5    :    14      :  17.5  :    20

Lets check if the table represents the linear relation by find the ratio between the change of each two consecutive y-coordinates and the change of their corresponding x-coordinates

∵ \frac{14-5}{5.6-2}=\frac{9}{3.6}=2.5

∵ \frac{17.5-14}{7-5.6}=\frac{3.5}{1.4}=2.5

∵ \frac{20-17.5}{8-7}=\frac{2.5}{1}=2.5

∴ The rate of change between each two points is constant

∴ The table represent a linear equation

The form of linear equation is y = m x + b, where m is the rate of change and b is value y when x = 0

∵ m = 2.5

- Substitute it in the form of the equation

∴ y = 2.5 x + b

- To find b substitute x and y by the coordinates of any point

  in the table above

∵ x = 2 and y = 5

∴ 5 = 2.5(2) + b

∴ 5 = 5 + b

- Subtract 5 from both sides

∴ 0 = b

∴ y = 2.5 x

The equation for the table is y = 2.5 x

Learn more:

You can learn more about the linear equations in brainly.com/question/4326955

#LearnwithBrainly

5 0
3 years ago
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