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attashe74 [19]
2 years ago
13

Calcula las siguientes raíces.

Mathematics
1 answer:
11111nata11111 [884]2 years ago
7 0

Answer:

                                               ,

Step-by-step explanation:

                                          ,

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The variable x is twice the value of the variable y and the sum of x and y is 42 solve for x and y.
Oksi-84 [34.3K]

Write two equations with the given information:

1) x = 2y ( x is twice the value of y)

2) x + y = 42

Replace x in the second equation with the value of x in the first equation:

2y + y = 42

Simplify:

3y = 42

Divide both sides by 3:

y = 42 / 3

y = 14

Now we have the value for Y, solve for x by replacing y with 14:

x = 2y

x = 2(14)

x = 28

X = 28 and y = 14

4 0
2 years ago
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Using the formula T=7V+W, find the value of V when T = 26 and W = 5
ivann1987 [24]
26=7v + 5
21=7v
V=21/3
V=3
5 0
3 years ago
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Which number when added to 45 results in a sum of O?
sesenic [268]
The number is -45 (negative 45)
5 0
3 years ago
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John has 260 apples. 1/2 of the apples are green and 1/4 of the apples are bad. The rest of the apples are red. How many red app
chubhunter [2.5K]

Answer:

65

Step-by-step explanation:

1/2 which is half of total is green

1/4 is bad and the remaining apples are red

1/2 of 260 = 130 green apples

1/4 of 260 = 65 bad apples

the remaining is 1/4 which is equal to 65 are red apples

7 0
3 years ago
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The product of two numbers is -30, but their sum is -13. What are these two numbers?
Nata [24]
<h3>Answer:  -15 and 2</h3>

You find this through trial and error.

A much more efficient way is to solve x^2-13x-30 = 0 using the quadratic formula. You'll find the two solutions to be x = 15 and x = -2

Going from those solutions, we get x-15 = 0 and x+2 = 0 which then turn into (x-15)(x+2) = 0 through the zero product property.

3 0
3 years ago
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