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erma4kov [3.2K]
3 years ago
13

4. The numencal coefficient in 3xy isA-3В 2D хуСку​

Mathematics
2 answers:
blondinia [14]3 years ago
5 0

Answer:

A) -3

Step-by-step explanation:

-3 is numberical while my are variables

BabaBlast [244]3 years ago
3 0

Answer:

3

Step-by-step explanation:

Because in 3xy 3 is the numerical coefficient

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A rectangle's width is 5 feet less than its height. If the area of the rectangle is 564 square feet, what is its length, in feet
larisa86 [58]

We can set up an equation: x * (x + 5) = 564, where x is the length of the rectangle we are trying to solve. Using the quadratic formula to solve this, we eventually come up with approximately 21.38 as a value for x. We can verify this by typing 21.38 * (21.38 + 5) into a calculator and seeing that it approximately equals 564.

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3 years ago
GIVING BRAINLIEST FOR BEST ANSWER!
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Answer:

9/7

Step-by-step explanation:

13/14 - 1/7 + 1/2

taking LCM

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2 years ago
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The length of a rectangle is 4 yd less than three times the width, and the area of the rectangle is 55 ya? Find the dimensions o
inysia [295]

Answer:

length = 11 yard

width =  5 yard

Step-by-step explanation:

Area of a rectangle = L W

where A = 55 yard

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find: Length

        width

solution:

A = L W

55 = (3W - 4) W

55 = 3W² - 4W

3W² - 4W - 55 = 0

use quadratic equation to solve for W:

W = <u> - (-4) ± √(-4)² - 4(3)-55 </u>

                    2(3)

W = 5,  W = -11/3

substitute W=5 to equation L = 3W - 4 to solve for L

L = 3W - 4

L = 3(5) - 4

L = 15 - 4

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therefore, the dimensions of a rectangle:

length = 11 yard

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3 years ago
The maximum amount you can spend for renting a motor scooter is $50. The rental fee is $12 and the cost per hour is $9.50. Solve
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The maximum number of hours for which you can rent the scooter is: 4 hours

<h3>Cost of renting;</h3>

According to the question;

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The inequality to determine the maximum number of hours you can rent the scooter is;

  • $12 + $9.50h <= $50

Solving the inequality, we have;

  • $9.50h <= $38

h <= 4hours.

Read more on cost of renting;

brainly.com/question/10563785

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How do I factorise out the negative?
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