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stiks02 [169]
3 years ago
11

HELPPPPPPPPPPPPPPPPPP ASAPPPPPPPPPPPPPPPP HELPPPPPPPP MEEEEEEE WITHHHHHHH THISSSSSSSS QUESTION!!!!!!!!!!!!!!!

Mathematics
1 answer:
podryga [215]3 years ago
6 0

Answer:

  • a = 10

Step-by-step explanation:

<h3>Given</h3>
  • \sqrt[a]{x^2} * \sqrt[5]{x^4}  = x
<h3>Find </h3>
  • The value of a
<h3>Solution</h3>
  • x^(2/a)*x^(4/5) = x
  • x^(2/a + 4/5) = x^1
  • 2/a + 4/5 = 1
  • 2/a = 1/5
  • 2/a = 2/10
  • a = 10
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What is the value of x2 + 3.4y when x = 4 and y = 2?
photoshop1234 [79]

Answer:

14.8

Step-by-step explanation:

4(2)+3.4(2)

8+6.8

14.8

6 0
3 years ago
Select all of the following that are quadratic equations.
goldenfox [79]

Answer:

1. x² + 3x - 5 = 0

2. x² - x = 3 x + 7

4. 7x² + 14x = 0

Step-by-step explanation:

A Quadratic equation takes the form;

ax² + bx + c = 0

a, b, c are constants and a cannot be 0.

Options 1 fits this;

x² + 3x - 5 = 0

Option 2 fits this as well;

x² - x = 3 x + 7  

x² -x - 3x - 7 = 0

x² - 4x - 7 = 0

Option 4 fits this as well if c = 0.

7x² + 14x + 0 = 0

8 0
3 years ago
Two joggers run 8 miles north and then 5 miles west. What is the shortest
Verdich [7]

The shortest distance they have to travel to return to their starting point is 9.4 miles.

Explanation

The joggers run 8 mile north and then runs 5 miles west. we have to calculate the shortest distance they have to travel to return to their starting point.

The distance traveled north and west respectively makes the height and base of a right angled triangle.

to find the shortest distance to the starting point, the hypotenuse has to be determined.

height h=8 miles

base b=5 miles

using pythagoras theorem

b^2+h^2=H^2\\5^2+8^2=H^2\\25+64=H^2\\89=H^2\\\\H=\sqrt{89} =9.433=9.4 miles

The shortest distance to the starting point is 9.4 miles

4 0
3 years ago
Please help me with this question I am really confused
Mars2501 [29]

Step-by-step explanation:

The answer is consistent

5 0
3 years ago
Please tell fast plzzzzzz​
laiz [17]

Answer:

x=90-44=46is your answer

8 0
3 years ago
Read 2 more answers
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