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photoshop1234 [79]
3 years ago
9

Solve: 5x(8-4) divide 4-2=

Mathematics
1 answer:
nataly862011 [7]3 years ago
8 0

5x(8 - 4)/4 - 2

Remember to follow PEMDAS.

First, subtract 8 and 4

8 - 4 = 4

5x(4)/4 - 2

Next, follow the left -> right rule, and multiply 5x and 4

5x(4) = 20x

Divide by 4

20x/4 = 5x

Finally, note that one has a variable, and the other has a constant, and so you cannot combine.

5x - 2 is your answer

hope this helps

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astra-53 [7]
Hey there!
I'll assume we're using the slope-intercept form equation:
y = mx + b
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b = y-intercept
First, we keep the y, because it's value depends on the x value given.
Next, we find the slope. Slope is defined as rise/run, so we take two points on the graph, find how much taller one is from another, and how far right/left they are, put those values over each other, and we have out slope (m).
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8 0
3 years ago
What is the domain of f(x) = 2|x - 3| + 1 ?
defon

Domain: all reals, (-∝, ∝)

All inputs for x result in a solution.

7 0
2 years ago
NEEDED NOW
nirvana33 [79]

15·0.8 + x = 30·0.9 --> x = 15

C. is the correct answer

7 0
3 years ago
(a 3 - 2a + 5) - (4a 3 - 5a 2 + a - 2)
Andreas93 [3]

Answer:

- 3a³ + 5a² - 3a + 7

Step-by-step explanation:

Given

(a³ - 2a + 5) - (4a³ - 5a² + a - 2)

Distribute both parenthesis noting the second is distributed by - 1

= a³ - 2a + 5 - 4a³ + 5a² - a + 2 ← collect like terms

= (a³ - 4a³ ) + 5a² + (- 2a - a) + (5 + 2)

= - 3a³ + 5a² - 3a + 7

3 0
2 years ago
5. A rectangle measures 10 feet by 6 feet. The length and width are each
harkovskaia [24]

Answer:

135ft^2

Explanation

See photo for detailed analysis

5 0
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