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anygoal [31]
3 years ago
8

Whoever answers correctly gets brainliest.

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
8 0

Answer:

5a + a + <u>4</u><u>a</u> = 10 a

Option A) 4a

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A line passes through (4, 5) and (8, 9). Which equation best represents the line?
xxTIMURxx [149]

Answer:

that is the equation of the line, its slope is 1 and the y-intercept is 1 y = x + 1

Step-by-step explanation:

we can calculate the slope of this line passing through (4,5) and (8,9) like this:

m = (y2 - y1)/(x2 - x1)

m = (9 - 5)/(8 - 4)

m = 4/4

m = 1

so the slope is 1, and now we can use the equation of one point and the slope to write the line's equation:

y - y1 = m(x - x1)

y - 5 = 1*(x - 4)

y - 5 = x - 4

y = x + 1

that is the equation of the line, its slope is 1 and the y-intercept is 1



7 0
2 years ago
There's a plane that flies at an altitude of 25,000 feet. There's a submarine that dives to a depth of 600 feet below sea level.
ella [17]
25,000 + 600 considering they would meet at 0, so they are 25,600 feet apart
8 0
3 years ago
nter an equation and an answer to the following question: What is the original list price if the discount is $25 and the discoun
castortr0y [4]

Let us set up an equation, to determine the list price. X represents the original price

.12 * x = 25

In order to solve for X, you must divide .12 from both sides

x = 25/.12

After you divide, you should get the number 208.33

25/.12 = 208.33

So, the original list price is $208.33

7 0
2 years ago
Read 2 more answers
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I have no idea how to do this problem i dont know what a is
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Please help with 4, part a and b
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