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vodomira [7]
9 months ago
15

The length of a rectangle is three more than twice the width. Determine the dimensions that give a total area of 27ft squareda.

create an equation in terms of w to model this situationb. what are the solutions to this equation c. What are the length and width of the rectangle
Mathematics
1 answer:
Nuetrik [128]9 months ago
5 0

ok

Area = 27ft^2

length = l

width = w

Equation

l = 2w + 3

Section A

Area

A = l*w

A = (2w + 3)* w or A = 2w^2 + 3w

27 = 2w^2 + 3w

2w^2 + 3w - 27 = 0 This is the equation

Section B

2w^2 - 6w + 9w - 27 = 0

2w(w - 3) + 9(w - 3) = 0

(w - 3)(2w + 9) = 0

w1 - 3 = 0 2w + 9 = 0

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Help can’t find the answer
mixer [17]

Answer:

Volume= 82.4in³

Step-by-step explanation:

Volume is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid. It's units are always "cubic"

To find the volume of sphere, we will use the following formula of Volume:

Volume = 4/3 πr³

Put the values in the formula:

As we know that the value of π is 22/7 or 3.14

Radius = 2.7

According to the formula:

Volume = 4/3 * 3.14 *(2.7)³

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3 0
3 years ago
The equation P=31+1.75w models the relation between the amount of Tuyet’s monthly water bill payment, P, in dollars, and the num
umka2103 [35]

Answer: P = \$\ 52

Step-by-step explanation:

We have the equation P = 31 + 1.75w where P represents the payment and w represents the amount of water used.

To calculate the monthly payment that corresponds to 12 units of water you must do w = 12 in the main equation and solve for the variable P.

P = 31 + 1.75w

P = 31 + 1.75(12)

P = 31 + 21

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3 0
2 years ago
38 - 4m = 14 <br>m = ?<br><br>8x/3 - 9 = 7<br>x = ?​
Alexxx [7]

Answer:

m=6

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Can i please have brainliest? I never get brainliest. :(

6 0
3 years ago
Anita has a cellphone contract that costs her R100 per month plus 85 cents per peak time SMS,and 25 cents per off-peak time SMS.
algol [13]

Answer:

Anita's monthly bill will be $164.25.

Step-by-step explanation:

Since Anita has a cellphone contract that costs her R100 per month plus 85 cents per peak time SMS, and 25 cents per off-peak time SMS, if she sends 45 SMSs during peak time and 105 SMSs during off-peak time In a month To determine what will her monthly bill come to, the following calculation must be performed:

100 + (0.85 x 45) + (0.25 x 105) = X

100 + 38.25 + 26.25 = X

138.25 + 26.25 = X

164.25 = X

Therefore, her monthly bill will be $ 164.25.

6 0
3 years ago
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