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SpyIntel [72]
4 years ago
5

Square root of 90 minus r equals r

Mathematics
1 answer:
dsp734 years ago
8 0

Answer:

r=sqrt45

Step-by-step explanation:

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Which function has the domain x>-11?
pogonyaev

Step-by-step explanation:

ques un culo y un na choca

5 0
3 years ago
If Gabriel takes a 25 question multiple choice test and receives a score of 52%, how many questions did he answer correctly
Yanka [14]

Answer: 13 questions

Step-by-step explanation:

52% of 25 is 13

25/x=100%/52%

x=13

3 0
2 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
Solve for the value of x: 3x + 25 = 2/3 (6x - 15)​
n200080 [17]

3x + 25 = 2/3 (6x - 15)

9x + 75 = 12x - 30

75 + 30 = 12x - 9x

3x = 105

x = 105 : 3

x = 35

3 0
4 years ago
Please help if you can Thank you
ratelena [41]
Wow what grade are you in that seems hella confusing!! I feel bad for you!
7 0
3 years ago
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