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Sveta_85 [38]
3 years ago
11

Help with 21 and not 22 please

Mathematics
1 answer:
densk [106]3 years ago
3 0
X  ≥ 11

Hope that helps!


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What is the equation of the line that is perpendicular to the given line and passes through the point (3, 0)?
olga2289 [7]

Step 1

<u>Find the slope of the given line</u>

Let

A(-3,2)\ B(2,-1)

slope mAB is equal to

mAB=\frac{(y2-y1)}{(x2-x1)} \\ \\ mAB=\frac{(-1-2)}{(2+3)} \\ \\ mAB=-\frac{3}{5}

Step 2

<u>Find the slope of the line that is perpendicular to the given line</u>

Let

CD ------> the line that is perpendicular to the given line

we know that

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mAB*mCD=-1\\ mAB=-\frac{3}{5} \\ mCD=-\frac{1}{mAB} \\ mCD=\frac{5}{3}

Step 3

<u>Find the equation of the line with mCD and the point (3,0)</u>

we know that

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y-y1=m(x-x1)\\\\ y-0=\frac{5}{3} *(x-3)\\\\ y=\frac{5}{3} x-5

Multiply by 3 both sides

3y=5x-15

5x-3y=15

therefore

the answer is

the equation of the line that is perpendicular to the given line is the equation 5x-3y=15

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3 years ago
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Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator.
Oksi-84 [34.3K]
3/3...............................
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Karen's fish tank has 13 liters of water in it. She plans to add 4 liters per minute until the tank has at least 57 liters. What
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Answer:

Karen has to at least spend 11 minutes.

Step-by-step explanation:

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I hope this helps! Please mark me Brainliest if it did! Thank you and have a nice day!

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Can someone please help me with this (it says I have to choose more than 1 answers)
Brrunno [24]

Answer:

B & C

Step-by-step explanation:

Since x is greater than 38, 40 and 120 matches the condition.

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7 0
3 years ago
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