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babunello [35]
3 years ago
5

If a = 5, then what is the value of -(-a)?

Mathematics
2 answers:
Virty [35]3 years ago
7 0

Answer:

5 ( REMEMBER TWO NEGATIVES MAKE A POSITIVE)

Step-by-step explanation:

When there is a - in front of an expression in parentheses, change the sign of each term in the expression 5

Vlad [161]3 years ago
4 0

Answer:

5

Step-by-step explanation:

It will remain 5 because two negatives make a positive.

-(-5) = 5

Hope this helps.

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The function f(x) = 800(1.09)3x shows the growth due to interest that Jim earns on an investment.
Reptile [31]

Answer:


Step-by-step explanation:

it should be step 2 because you dont add the 3 into the equation.

5 0
4 years ago
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In an experiment, a number cube is rolled 4 times. The number of times a 5 shows is recorded. Sixty trials of the experiment are
WARRIOR [948]

Using the probability concept, the distribution is given as follows:

  • P(X = 0) = 0.1.
  • P(X = 1) = 0.15.
  • P(X = 2) = 0.55.
  • P(X = 3) = 0.15.
  • P(X = 4) = 0.05.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

The distribution gives the <u>probability of each outcome</u>.

In this problem, there were 60 trials, hence the distribution is given as follows:

  • P(X = 0) = 6/60 = 1/10 = 0.1.
  • P(X = 1) = 9/60 = 3/20 = 0.15.
  • P(X = 2) = 33/60 = 11/20 = 0.55.
  • P(X = 3) = 9/60 = 3/20 = 0.15.
  • P(X = 4) = 3/60 = 1/20 = 0.05.

More can be learned about probabilities at brainly.com/question/143982877

#SPJ1

6 0
2 years ago
Given that log x = 3 and log y = 5, find log (x^2)(y^2)- log xy
strojnjashka [21]

Step-by-step explanation:

logx²y² - logxy

= log(x²y²/xy)

= logxy

= logx + logy

= (3) + (5)

= 8.

3 0
3 years ago
Find a8 of the sequence 10,9.75,9.5,9.25,
borishaifa [10]

Answer:

7.25

Step-by-step explanation:

10,9.75,9.5,9.25,

the rest of the sequence would look like

8, 7.75, 7.5, 7.25, 7, 6.75, 6.5, 6.25, 6 etc.

(the pattern is - .25 from the previous number.

so the 8th number in this sequence is 7.25

hope this helps!!:)

6 0
3 years ago
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Solve for<br> a. 7a-2b = 5a b
Nookie1986 [14]

For this case we have the following expression:

7a-2b = 5ab

From here, we must clear the value of a.

We then have the following steps:

Place the terms that depend on a on the same side of the equation:

7a - 5ab = 2b

Do common factor "a":

a (7 - 5b) = 2b

Clear the value of "a" by dividing the factor within the parenthesis:

a =\frac{2b}{7-5b}

Answer:

The clear expression for "a" is given by:

a =\frac{2b}{7-5b}

8 0
3 years ago
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