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blondinia [14]
2 years ago
6

Pls help 4 100 points in geometry i will giv brainliest

Mathematics
2 answers:
kipiarov [429]2 years ago
8 0

a=35°

Answer:

Solution given;

∡ZTN=85°

∡NTM=a

∡RTM=60°

∡ZTN+∡NTM+∡RTM=180°[since the sum of angle of a straight line is 180°]

substituting value

85°+a+60°=180°

a+145°=180°

a=180°-145°

a=35°

again

∡ZTN=∡TNM=85°[alternate angle]

Step-by-step explanation:

dmitriy555 [2]2 years ago
7 0

Answer:

a = 35

c = 85

Step-by-step explanation:

85 + 60 + a = 180 as they are all supplementary angles (together they form an angle of 180°)

therefore a = 35.

a + ( 180 -(a+85)) + c =180 (as the angles of a triangle add up to 180°. our triangle is NMT, the angles are a, c and 180°-(a+85°) for a theorem about lines secant to parallel lines)

therefore c = 85

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What are two numbers that have a sum of 15?
Vaselesa [24]

I can give you as many sums as you want!

All of these sums are 15, just so you know.

0 + 15 = 15

1 + 14 = 15

2 + 13 = 15

3 + 12 = 15

4 + 11 = 15

5 + 10 = 15

6 + 9 = 15

7 + 8 = 15

8 + 7 = 15

9 + 6 = 15

10 + 5 = 15

11 + 4 = 15

12 + 3 = 15

13 + 2 = 15

14 + 1 = 15

15 + 0 = 15

Hope this helped!

Plz mark brainliest!

6 0
3 years ago
My math problem is 3n(squared) - 28 = -17n I have to factor this! So i would move the 17 over and make it 3n(squared) +17n - 28
wel
It's easier I think to take it and go "what can I add together than makes 17, yet multiplies to 28"
although, I don't think this is a perfect square, either

(x+7)(3x-4) = 0

heres the factored form, but I couldn't even begin to say how I got it, all I know is that it works

8 0
3 years ago
What is the answer to 2(3x-4)-5=-7
kozerog [31]

Answer: x = 1

Step-by-step explanation:

1) Reorder the terms:

2(-4 + 3x) + -5 = -7

(-4 * 2 + 3x * 2) + -5 = -7

(-8 + 6x) + -5 = -7

2) Reorder the terms:

-8 + -5 + 6x = -7

3) Combine like terms: -8 + -5 = -13

-13 + 6x = -7

4) Solving

-13 + 6x = -7

5) Solving for variable 'x'.

6) Move all terms containing x to the left, all other terms to the right.

7) Add '13' to each side of the equation.

-13 + 13 + 6x = -7 + 13

8) Combine like terms: -13 + 13 = 0

0 + 6x = -7 + 13

6x = -7 + 13

9) Combine like terms: -7 + 13 = 6

6x = 6

10) Divide each side by '6'.

x = 1

11) Simplifying

x = 1

4 0
3 years ago
If the perimeter of a circular ground is 308 M find its radius​
crimeas [40]

Answer:

Correct option is

A

49m

The circumference of a circular field is 308m

Therefore, 2πr=308

⇒r=

2×22

308×7

⇒r=49m

Step-by-step explanation:

here you go

3 0
3 years ago
Read 2 more answers
Simplify 3m^-2 / 5n^-3<br><br>A.3n^3/5m^2<br>B. 1/m^5n^4<br>C.-4/5n^8<br>D.3m^2n^10/2
melamori03 [73]

The answer is A. 3n^3/5m^2

7 0
3 years ago
Read 2 more answers
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