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Serhud [2]
3 years ago
8

ABC is isosceles with AB=AC=8 units and BC=6 units. D and E are midpoints of AB and BC respectively. what is the length of DE

Mathematics
1 answer:
Andrew [12]3 years ago
4 0
The length between point d&e is <u>3 units</u> long
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3/4 + 2/8 =<br> I need help
11Alexandr11 [23.1K]

Answer:

1

Step-by-step explanation:

3/4 + 2/8 =

First you need to find a common denominator, and in this case, it can be 4

2/8 = 1/4 ( i divided the numerator and denominator by 2)

3/4 + 1/4 = 4/4 = 1

Check

4/4 - 3/4 = 1/4

4/4 - 1/4 = 3/4

Correct!

Hope this helped!

Have a supercalifragilisticexpialidocious day!

6 0
3 years ago
The perimeter of an isosceles triangle is 65 centimeters. Find the length of the two equal sides when each is 10 centimeters lon
natita [175]

Answer: the length of each of the two equal sides is 25 centimeters

Step-by-step explanation:

Let x represent the length of each of the two equal sides. This means that the total length of the two longer sides is 2x.

Let y represent the length of the third side.

The perimeter of a triangle is expressed as the sum of the length of each side of the triangle. The perimeter of the isosceles triangle is 65 centimeters. It means that

2x + y = 65 - - - - - - - - - 1

Each of the equal sides is 10 centimeters longer than the third side. This means that

x = y + 10

Substituting x = y + 10 into equation 1, it becomes

2(y + 10) + y = 65

2y + 20 + y = 65

2y + y = 65 - 20

3y = 45

y = 45/3 = 15

Substituting y = 15 into x = y + 10, it becomes

x = 15 + 10 = 25

5 0
3 years ago
Emily is dividing 15 pounds of jelly beans into 3/4 lb. bags. How many individual bags will she need for all of the jelly beans?
klio [65]
X= # of individual bags

x= 15 lbs ÷ 3/4 lbs
15 is the same as 15 over 1
x= 15/1 ÷ 3/4
multiply by reciprocal of 3/4
x= 15/1 * 4/3
x= (15*4)/(1*3)
x= 60/3
x= 20

ANSWER: She will need D) 20 bags

Hope this helps! :)
3 0
4 years ago
The area of a rectangular window is 7426 cm
soldi70 [24.7K]

hi <3

area = length x width

substitute the values in:

7426 = length x 79

rearrange to get the answer:

length = 94 cm

hope this helps :)

7 0
3 years ago
PLEASE HELP I CANT GET IT
Soloha48 [4]

Answer:

=  \frac{1}{2}  \times 3 \times 10 \\  = 5 \times 3 \\  = 15 {cm}^{2}

hope it helps

4 0
3 years ago
Read 2 more answers
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