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katovenus [111]
4 years ago
10

PLEASE HELP WILL MARK BRAINLIEST

Mathematics
1 answer:
LekaFEV [45]4 years ago
3 0

Step-by-step explanation:

In trapezoid ABCD, it is given that:

AE = BE & DF = CF

Hence, points E and F are the mid points of the sides AB and CD respectively.

We know that:

In a trapezoid length of the line segment joining the mid points of non parallel sides is equal to one half of the sum of lengths of the parallel sides.

\therefore \: 4x =  \frac{1}{2}  \{(x + 5) + 44 \} \\  \\  \therefore \: 4x =  \frac{1}{2}  \{x + 5 + 44 \} \\  \\ \therefore \: 4x  \times 2=  \{x + 49\} \\  \\ \therefore \: 8x =  x + 49 \\  \\  \therefore \: 8x  -  x  =  49 \\  \\  \therefore \: 8x  -  x  =  49 \\  \\ \therefore \:7x = 49 \\  \\ \therefore \:x =  \frac{49}{7}  \\  \\  \therefore \:x =  7\\  \\ \therefore \:4x = 4\times 7.. (\because EF = 4x)\\  \\   \:  \:  \:  \:  \: \huge \red{ \boxed{\therefore \:EF =  28}}

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Help me please, <br><br>Calculate the external perimeter of the picture frame: <br>​
Studentka2010 [4]
Perimeter of a parallelogram = 2(l+b)
= 2 (65+42)
= 2*107
= 214 cm
8 0
4 years ago
Line t intersects line u as shown below <br><br><br> What is the value of x
Rudiy27

Answer:

x = 117 degrees

Step-by-step explanation:

Find the diagram attached

From the diagram, the angle at the top left on line t is equal to theta of the top left on line u and is equal to 117 degrees (corresponding angle)

Also the angle angle on the top left on line u will be equal to x (vertically opposite angle)

Hence the value of x = 117 degrees (vertically opposite to each other on line u)

5 0
3 years ago
A wooden board 100 centimeters long is cut into two pieces. One piece is 16 centimeters longer than the other. What are the leng
Bezzdna [24]

x = the length of one piece

y = the length of the other piece


the total length is 100 cm this means 


x + y = 100


one piece is 16 inches longer than the other


first we need to convert inches to cm: 


1 in = 2.54 cm

16 in = 2.54*16 = 40.64


now we can write


x = y + 40.64


by solving the system of equations


x + y = 100

x = y + 40.64


we find


x = 70.32 cm


y = 29.68 cm


the lengths of the two pieces are 70.32 cm and 29.68 cm.

4 0
3 years ago
HELP PLEASE!! WILL GIVE BRAINLIEST TO CORRECT QNSWER.
asambeis [7]
X = 1/2 =0.500

Mark as brainliest
7 0
3 years ago
BRAINLIEST ANSWER!!
Maksim231197 [3]

Answer:

1. 30(8.75) + 11t = 400

2. 12.5 hours

Step-by-step explanation:

1. What is given is you work for 30 hours per week at a gas station for $8.75 an hour. You also work as a landscaper for $11 an hour. You want to a make a total of $400 per week.

30 hours and $8.75 an hour would be equivalent to 30(8.75)

We don’t know how many hours you work as a landscaper but you earn $11 an hour, which is equivalent to 11t

Finally, you want to earn a total of $400 a week, which means the sum equals 400

30(8.75) + 11t = 400

2. 30(8.75) = 262.5

400 - 262.5 = 137.5

137.5 / 11 = 12.5

7 0
4 years ago
Read 2 more answers
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