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Lelechka [254]
4 years ago
15

BRAINLIESTTT ASAP!! PLEASE HELP ME :)

Mathematics
1 answer:
NeX [460]4 years ago
8 0
No because when you variables (with exponents) you add the exponents together.
x^3 • x^3 • x^3 = x^(3+3+3) = x^9
Let’s plug in a number for x to make sure this is correct.
x = 2
2^3 • 2^3 • 2^3 = 8 • 8 • 8 = 512
2^9 = 512
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prohojiy [21]

Answer:

INCORRECT: The range of the F value is (-[infinity], +[infinity])

Step-by-step explanation:

While it's true that there is no maximum value to an F value, you cannot have a negative F statistic and the lowest value you can have is zero.

6 0
3 years ago
Maihua jogged for 1/2 hour a 6 km/h she jogged for another 1/4 hour at 8 km/h what distance did she jog altogether.
Wittaler [7]
5 km (1/2 * 6 = 3, and 1/4 * 8 = 2, and 2+3=5).
5 0
4 years ago
Solve the equation 7-y-y=-1
Evgen [1.6K]

Answer: y=4

Step-by-step explanation:

7-y-y=-1

Combine like terms

7-2y=-1

Subtract seven on both sides of the equation

7-7-2y=-1-7

-2y=-8

Divide both sides by -2

-2y/-2=-8/-2

y=4

Check the answer by plugging 4 back in the equation for y.

7-4-4=3-4=-1

The final answer is y=4

4 0
4 years ago
Read 2 more answers
Help PLZZ NO FILES PLZZZ
goldfiish [28.3K]
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3 0
3 years ago
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Simplify (2sqrt5+3sqrt7)^2. Show your work. Justify each step
Serga [27]
(2\sqrt5+3\sqrt7)^2=(2\sqrt5+3\sqrt7)(2\sqrt5+3\sqrt7)

by definition of exponentiation;

=2\sqrt5(2\sqrt5+3\sqrt7)+3\sqrt7(2\sqrt5+3\sqrt7)
=(2\sqrt5)^2+6\sqrt{35}+6\sqrt{35}+(3\sqrt7)^2

by the distributive property of multiplication;

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by the distributive property of exponentiation;

=20+63+12\sqrt{35}
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by grouping common terms and simplifying.
6 0
3 years ago
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