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lys-0071 [83]
2 years ago
14

The width of a rectangle, in feet, is represented by (3x-1). The length of the rectangle, in feet, is represented by (1.5x+3). F

ind the sum of the length and width?
Mathematics
1 answer:
bogdanovich [222]2 years ago
7 0
Answer: 4.5x + 2

Explanation:

Sum of length and width = (3x-1)+(1.5x+3)
= 3x - 1 + 1.5x + 3
= 4.5x + 2
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If y represents a number, write an expression for 4 more than 3 times the number
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We need to multiply Y by 3 since it says "3 times the number".

3Y; next we need to add 4 since it says 4 more.

3y+4; the reason I knew to put it in this order is because it said 4 more than 3 times, which means you add 4 after you multiply.

The expression is 3Y+4

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3 years ago
Simplify<br> 7 / 3 + 3 ( 2 / 3 * 1 / 3 )exponent 2
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…………………………….is the answer

3 0
3 years ago
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PilotLPTM [1.2K]

Answer:

third answer choice

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7 0
2 years ago
Find the equation for the circle with a diameter whose endpoints are (-5, -3) and (3,2).
densk [106]

Answer:

  (x +1)^2 +(y +0.5)^2 = 22.25

Step-by-step explanation:

The center of the circle is the midpoint of the diameter, so is ...

  (h, k) = ((-5, -3) +(3, 2))/2 = (-5+3, -3+2)/2 = (-1, -1/2)

The circle formula is then ...

  (x -h)^2 +(y -k)^2 = r^2

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We can find r^2 by substituting one of the points for (x, y).

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3 0
3 years ago
Find the circumference of the figure.
shtirl [24]

Answer:

About 23.9 in

Step-by-step explanation:

We are given ;

a circle whose radius is 3.8 inches

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The circumference is given by the formula;

=2πr

Therefore;

Circumference = 2×3.14×3.8 in

                       =23.864 in

                      = 23.9 in

Therefore, the circumference of the figure is about 23.9 in

4 0
3 years ago
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