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3 years ago

WILL GIVE 50+ POINTS! Which is the graph of the linear equation 3x – 4y = –12?

Mathematics

2 answers:

Inga [223]3 years ago

7 0

Answer: look up graphing calculator on google (Desmos) and type in that equation. it should show u the graph

muminat3 years ago

7 0

Answer:

y= -3+ 3/4x

Step-by-step explanation:

you move 3x to the other side of the equation by subracting making it -4y= -12 -3x. then you divide everything by -4 (because it’s the number in front of the Y) to get Y= -3 + 3/4x .

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A tree initially measured 27 1/2 feet tall. Over the next 3 1/2 years, it grew to a final height of 35 1/2 feet. During those 3

Katen [24]

Answer:

10.14 feet per year.

Step-by-step explanation:

Given:

Over the next 3 1/2 years, a tree grew to a final height of 35 1/2 feet.

Question asked:

During those 3 1/2 years, what was the average yearly growth rate of the height of the tree?

Solution:

We can find the average yearly growth rate by using average formula, taking

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As we know:

$Average=\frac{Sum\ of\ observation}{number \ of\ observation}$

$=35\frac{1}{2} \div3\frac{1}{2} \\ \\ =\frac{71}{2} \div\frac{7}{2} \\ \\ =\frac{71}{2}\times\frac{2}{7} \\ \\ =\frac{142}{14} =10.14\ feet$

Thus, during $3\frac{1}{2} \ years$ , the average yearly growth rate of the height of the tree was 10.14 feet per year

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4 years ago

Find the median of the list of data. 12, 18, 21, 25, 30, 43

Luba_88 [7]

Median is the middle number
=21 and 25
(21+25)/2
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