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denis23 [38]
3 years ago
14

4. Lee wanted to buy his mother flowers for Mother's Day. He bought 8

Mathematics
1 answer:
enot [183]3 years ago
3 0

Answer:

Each tulip costs $1.50

Step-by-step explanation:

First, write an equation using the numbers given. It should look like this:

2.25(8) + 5x = 25.50

Next, multiply 2.25 by 8 to get: 18 + 5x = 25.50. Then, subtract 18 from both sides:

18 + 5x = 25.50

-18           -18

5x = 7.50

Finally, divide both sides of the equation by 5 to get $1.50

So, each tulip costs $1.50. Hope this helped!

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What is an equation of the line that is perpendicular to y+1=-3(x-5) and passes through the point 4,-6
Oliga [24]

Answer:

y=\frac{1}{3}x-\frac{16}{3}

Step-by-step explanation:

Arranging the given equation in slope-intercept form ( y = mx + b ):

y+1=-3(x-5)\\y+1=-3x+15\\y=-3x+15-1\\y=-3x+14

<em>We know that the perpendicular line would have a slope (m) that is </em><em>negative reciprocal </em><em>of this (\frac{1}{3}). Thus we can write the perpendicular line's equation as  y=\frac{1}{3}x+b. </em>

<em />

<em>Now putting x = 4 and y = -6 into the equation, we can solve for b:</em>

<em>y=\frac{1}{3}x+b\\-6=\frac{1}{3}(4)+b\\-6=\frac{4}{3}+b\\b=-6-\frac{4}{3}\\b=-\frac{16}{3}</em>

<em />

Thus, the equation of the perpendicular line is  y=\frac{1}{3}x-\frac{16}{3}

6 0
3 years ago
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BRAINLY IF CORRECT!
julsineya [31]

Answer:

1/4x + y = 4

Step-by-step explanation:

y = -1/4x + 4

Add 1/4x on both sides

1/4x + y = 4

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5 0
3 years ago
What does it mean to add a negative number?
Andreas93 [3]

Answer:

The exact same as subtracting.

Example

5 + (-2) = 3

5 0
3 years ago
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mash [69]

Answer:

<u><em>24,501.42 m³</em></u>

Step-by-step explanation:

Volume (cylinder) = πr²h

r = d/2 = 34/2 = 17 m

h = 27 m

V = 3.14 x 17 x 17 x 27

= 53.38 x 459

= <u><em>24,501.42 m³</em></u>

7 0
2 years ago
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jonny [76]

Answer:

144

Step-by-step explanation:

72% of 200 is 144

Equation: 0.72*200 = 144

7 0
3 years ago
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