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Veseljchak [2.6K]
3 years ago
12

Miss Campbell has just bought a rectangular displayboard for her bedroom. It has a length of 90 cm and a width of 50 cm. Miss Ca

mpbell would like to put a border of yellow ribbon around the perimeter of her display board.
Mathematics
1 answer:
AVprozaik [17]3 years ago
4 0

Answer:

Area - l*w

area is 4500 cm 2

perimeter - l + w * 2

perimeter is 280 cm

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Please help me out please
AleksAgata [21]

Answer:

x = -0.8

<CAD = -8

Step-by-step explanation:

10x + 4 = 5x - 4 (Clean up)

10x = -8 (Divide each side by 10)

x = -0.8

<CAD = 5x - 4

<CAD = 5(-0.8) - 4

<CAD = -4 - 4

<CAD = -8

3 0
3 years ago
The area of a football field is 57,600 square feet. If the width of the field is 4/9 the length, what is the length of the footb
MrRissso [65]

Answer:

360 ft

Step-by-step explanation:

<h3>Given</h3>
  • Area = 57600 ft²
  • Length = x
  • Width = 4/9x
<h3>Solution</h3>
  • A = lw
  • x*4/9x = 57600
  • 4/9x²= 57600
  • x² = 57600*9/4
  • x² = 129600
  • x = √129600
  • x = 360 ft
8 0
3 years ago
8.
____ [38]

Answer:

y > -5x + 3

Step-by-step explanation:

Answer:

y > –5x + 3

Step-by-step explanation:

we know that

1) The solution of the inequality is the shaded area above the dashed line

so

The linear inequality could be

y > –5x – 3

y > –5x + 3

y > –3x + 5

2) The slope of the dashed line is negative ----> the three options have slope negative

3) The y-intercept of the dashed line is (0,3)

therefore

The linear inequality is

y > –5x + 3

...............................................................................................................................................

Answer:

Step-by-step explanation:

To find the linear inequality , Let pick two points from the graph

Lets pick (0,3) and (1,-2)

Lets find out slope using the points

Slope m= -5

y intercept b= 3

Equation of the line is y=mx+b

Now we look at the shaded part. we use test point (0,0)

(0,0) is not in the shaded region

0 >3 is false

4 0
3 years ago
What is the distance between the points (6,-7) and (1,5)
amid [387]

Answer: The distance is d = 13 .

Step-by-step explanation:

In order to find the distance between the two points, you need the distance formula:

d = \sqrt{(x_{2} - x_{1})^2 +(y_{2} - y_{1})^2} where there is (x_{1}, y_{1}) and (x_{2}, y_{2}) .

-Use the those two points (6,-7) and (1,5) for this formula:

d = \sqrt{(1 -6)^2 +(5 + 7)^2}

-Then, you start solving:

d = \sqrt{(1 -6)^2 +(5 + 7)^2}

d = \sqrt{(-5)^2 +(12)^2}

d = \sqrt{25 +144}

d = \sqrt{169}

d = 13

So, therefore, the result is d = 13 .

3 0
3 years ago
A group of 27 students in sixth grade rode their bicycles to school one day. This number represents 20% of sixth grade students
vfiekz [6]
135 is what I think is the answer

Sorry if wrong
7 0
3 years ago
Read 2 more answers
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