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Alja [10]
2 years ago
5

The length of the base of an isosceles triangle is x. The length of a leg is 2x - 2. The perimeter of the triangle is 71. Find

Mathematics
1 answer:
Elanso [62]2 years ago
3 0

Answer:

x = 15

Step-by-step explanation:

x + 2x - 2 + 2x - 2 = 71

Solve for x, you get 15.

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9-4n in an arithmic sequence
Nastasia [14]
Supposing we begin with n=1, the first few terms of this arith sequence are
5, 1, -3, -7, and so on.  4 is the common difference.
7 0
3 years ago
I think its B
Galina-37 [17]
B is correct, good job
6 0
3 years ago
Read 2 more answers
Consider the following frequency distribution.
Zarrin [17]

Answer:

Class interval                            10-19 20-29 30-39 40-49 50-59

cumulative frequency               10      24       41        48       50

cumulative relative frequency 0.2   0.48     0.82    0.96      1

Step-by-step explanation:

1.

We are given the frequency of each class interval and we have to find the respective cumulative frequency and cumulative relative frequency.

Cumulative frequency

10

10+14=24

14+17=41

41+7=48

48+2=50

sum of frequencies is 50 so the relative frequency is f/50.

Relative frequency

10/50=0.2

14/50=0.28

17/50=0.34

7/50=0.14

2/50=0.04

Cumulative relative frequency

0.2

0.2+0.28=0.48

0.48+0.34=0.82

0.82+0.14=0.96

0.96+0.04=1

The cumulative relative frequency is calculated using relative frequency.

Relative frequency is calculated by dividing the respective frequency to the sum of frequency.

The cumulative frequency is calculated by adding the frequency of respective class to the sum of frequencies of previous classes.

The cumulative relative frequency is calculated by adding the relative frequency of respective class to the sum of relative frequencies of previous classes.

4 0
3 years ago
A triangle has an angle that measures 115°. The other two angles are in a ratio of 3:10. What are the measures of those two angl
serious [3.7K]

Answer: 15º and 50º


Explanation:

The angles in a triangle add up to 180.


180 - 115 = 65

3x + 10x = 13x

13x = 65

x = 5


3x = 15

10x = 50


5 0
2 years ago
What angle relationship describes VQR and QRW?
Vlad [161]

Answer: alternate interior angles

Step-by-step explanation:

Got it Right on the test. :)

8 0
3 years ago
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