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Blababa [14]
3 years ago
10

What is the first step in solving the equation 3,5n+6.4 = 42.5?

Mathematics
2 answers:
sveticcg [70]3 years ago
7 0

Answer:

subtract 6.4

Step-by-step explanation:

i got it right on edge

solong [7]3 years ago
3 0

Answer:

subtract 6.4

Step-by-step explanation:

what you have to do is isolate the variable, (n), so get rid of the 6.4 from each side, then divide both sides by 3.5

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6.025 (25 is repeating) as a mixed number
Mashutka [201]

Answer:

6.025 as a mixed number is 6 1/40

3 0
3 years ago
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What is the domain of y=log_5x
Marrrta [24]
<h2>Answer:</h2>

(0. \infty)

<h2>Step-by-step explanation:</h2>

Since this is a logarithmic function, the domain is (0. \infty). But what is the domain of a function? The domain of a function is the set of inputs. This is so, because for any logarithmic functiony=log_{a}(x), x must be greater than 0. So this function is continuous and has an x-intercept at (1,0), and y increases as x increases. Finally, its graph is shown below.

3 0
4 years ago
A store is having a sale on trail mix and jelly beans. For 5 pounds of trail mix and 6 pounds of jelly beans the total cost is $
inna [77]

The cost for each pound of trail mix and each pound of jelly is given below.

Step-by-step explanation:

Let t = cost/pound of trail mix

Let j = cost/pound of jelly beans

5t + 6j = 35

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5t + 3(15 - 3t) = 35

5t + 45 - 9t = 35

- 4t + 45 = 35

- 4t  =  - 10

4t = 10

t = 2.5

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7.5 + 2j = 15

2j = 7.5

j = 3.75

7 0
3 years ago
When flipping a coin, what is the probability of flipping heads and then heads?
anygoal [31]

Answer:

answer: 1/4

Step-by-step explanation:

Hello Love! The answer would be 1/4 because each time when flipping the coin you have a probability of 1/2 because you have equal chances of getting heads or tails then you multiply 1/2 by 1/2 and get 1/4

7 0
3 years ago
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Help plz thx I'm new here
iris [78.8K]
3. 20-(5x2). The answer is 10. [20-(5x2) -> 20-10=10]
4. B (Parenthesis are needed) and C (Start with simplifying the bottom).
5. 6x(9-3). The answer is 36. [6x(9-3) -> 6x6=36]
6. 10 divided by the difference of 6 and 4.
7. B
8. (5+7)x3 -> 12x3=36
4 0
3 years ago
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