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zhenek [66]
3 years ago
7

Find Angle C. Please I need this rn for homework

Mathematics
1 answer:
ira [324]3 years ago
7 0

Answer: I believe the answer here would be 52.5 degrees.

Step-by-step explanation: Because an isosceles triangle has two equal sides, their base angles would be the same. The angles of a triangle add up to 180 degrees, so you would subtract 75 from 180 and divide 105 by two in order to find one of the base angles.

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Subtract. Write the difference in simplest form.<br><br>(5n - 3) - (-2n + 7)​
kolezko [41]

Answer:

Simplifying

(5n + -3) + -1(-2n + 7) = 0

Reorder the terms:

(-3 + 5n) + -1(-2n + 7) = 0

Remove parenthesis around (-3 + 5n)

-3 + 5n + -1(-2n + 7) = 0

Reorder the terms:

-3 + 5n + -1(7 + -2n) = 0

-3 + 5n + (7 * -1 + -2n * -1) = 0

-3 + 5n + (-7 + 2n) = 0

Reorder the terms:

-3 + -7 + 5n + 2n = 0

Combine like terms: -3 + -7 = -10

-10 + 5n + 2n = 0

Combine like terms: 5n + 2n = 7n

-10 + 7n = 0

Solving

-10 + 7n = 0

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '10' to each side of the equation.

-10 + 10 + 7n = 0 + 10

Combine like terms: -10 + 10 = 0

0 + 7n = 0 + 10

7n = 0 + 10

Combine like terms: 0 + 10 = 10

7n = 10

Divide each side by '7'.

n = 1.428571429

Simplifying

n = 1.428571429

3 0
3 years ago
Can two dot plot have the same median and range but have completely shapes?
aliya0001 [1]
Yes because the median and range are not a function of the totality of the sample set, the median is just value that is halfway of the set.

Hope this helps :)
~Davinia.
5 0
3 years ago
The difference in age between Brita and her daughter Eva is 30 years. The sum or their ages is 118. How old is Eva?
seraphim [82]

Answer: 44 years

Step-by-step explanation:

Let Brita's age be x and the daughter's age be y , then from the first statement :

x - y = 30

From the second statement :

x + y = 118

solving the resulting linear equation , add the two equations , we have

2x = 148

x = 74

substitute 74 into equation 1 to find the value of y

74- y = 30

y = 74 - 30

y = 44

Therefore :

Eva = 44 years

6 0
3 years ago
Please help if you want brianleist!! :) uhm don't mind update- NO LINkS child..<br> Ty!
Vinil7 [7]

Answer: 5 or c

Step-by-step explanation:

4 0
3 years ago
Quadrilateral GHIJ is similar to quadrilateral KLMN. Find the measure of
VARVARA [1.3K]

Answer:

36

Step-by-step explanation:

8 0
3 years ago
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