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sashaice [31]
3 years ago
10

Which line on the graph represents the equation y=3x-2

Mathematics
1 answer:
Vika [28.1K]3 years ago
5 0

Answer:

Line A.

Step-by-step explanation:

When you put x as zero into 3x-2, you get 3(0)-2. That equals -2. Therefore, y = -2. When x=0, that is the y-intercept, so the y-intercept is -2. Line A crosses the y-axis at -2, so line A has that y-intercept.

Slope is always y/x. On a graph, that is the number of squares UP over the number of squares ACROSS. Counting, we get, 3 squares up over 1 square across for line A. 3/1= 3. The slope is the number we multiply by x. In the equation, that is 3, because we see 3x, and no sign or space between 2 numbers automatically means we multiply. So line A also has the correct slope.

In linear equations (straight lines), the same slope and y-intercept are enough to tell you that the equation matches the line.

Therefore, the answer is A!

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Expand 4(y+3).<br> 4(y+3)=__?__
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Answer:

4y + 12

Step-by-step explanation:

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3 years ago
What is an equation of the line that passes through the points (8, -3) and (8,4)
weeeeeb [17]

Answer:

x = 8

Step-by-step explanation:

Notice that the x-coordinates of the two points are both 8.  Thus, the points are on the vertical line x = 8.

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3 years ago
Help pls ill mark brainlist and follow u
KATRIN_1 [288]

Answer:

area of the shaded figure

\frac{1}{2}  \times 3 \times 10 \\ 15 \:  {cm}^{2}

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3 years ago
Read 2 more answers
A pole that is 3 m tall casts a shadow that is 1.74 m long at the same time a nearby building casts a shadow that is 50.75 m lon
bija089 [108]
87.5

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4 0
3 years ago
Mia wants to deposit $3,886 into savings accounts at three different banks: Bank of the US, 7/4 Bank, and Catch Bank. She will d
Phantasy [73]
A = deposit at US bank

b = deposit at 7/4 bank

c = deposit at Catch bank.

we know her total is 3886, thus  a + b + c = 3886.

now, we know whatever "b" is, the amount at US bank, "a", is 3 times that much, thus a = 3b.

(3b) + b + c = 3886.

whatever% of anything, is just (whatever/100) * anything.

we know Catch bank gets 45% of whatever the sum of the other two is, well, US bank gets "3b", 7/4 bank gets "b", their total is 3b + b = 4b, and Catch bank gets 45% of that, (45/100) * 4b

\bf \stackrel{US~bank}{3b}~+~\stackrel{7/4~bank}{b}~+~\stackrel{Catch~bank}{\frac{45}{100}(4b)}~=~3886&#10;\\\\\\&#10;4b+\cfrac{9}{5}b=3886\impliedby \textit{let's multiply both sides by }\stackrel{LCD}{5}&#10;\\\\\\&#10;20b+9b=19430\implies 29b=19430\implies b=\cfrac{19430}{29}\implies b=670

how much is it for the Catch bank?  well, (45/100) * 4(670).
6 0
3 years ago
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