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ss7ja [257]
3 years ago
15

18 POINTS for finding 18 ANGLES on parallel lines and transversal

Mathematics
2 answers:
maxonik [38]3 years ago
6 0

Answer:

Step-by-step explanation:

Vikki [24]3 years ago
5 0
There ya go :D hope you enjoy

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What is the solution to this system of linear equations? 2x + y = 1 3x – y = –6 (–1, 3) (1, –1) (2, 3) (5, 0)4
Volgvan

Answer:

<h2>             (-1, 3)</h2>

Step-by-step explanation:

2x + y = 1     ⇒  y = 1 - 2x

3x - y = -6

3x  - (1 - 2x) = -6

3x - 1 + 2x = -6

       +1           +1

   5x  = -5

  ÷5      ÷5

   x = -1

y = 1 - 2(-1) = 1 + 2 = 3

8 0
3 years ago
QUAD is a rhombus. If QR=21 , RD=20, what is the length of QD?
WITCHER [35]

Answer:

Correct answer:  QD = 29

Step-by-step explanation:

Given:

QR = 21  half the longer diagonal

RD = 20  half shorter diagonal

QD = ?   rhombus side

The diagonals of the rhombus are known to be perpendicular to each other.

We will calculate the side of the rhombus using Pythagorean theorem.

QD² = QR² + RD²

QD² = 21² + 20² = 441 + 400 = 841

QD = √841 = 29

QD = 29

God is with you!!!

6 0
4 years ago
Carter has 193 songs on a playlist. He's categorized them in the following manner: 39 pop. 17 jazz. 33 Latin American, 10 countr
Lorico [155]

Step-by-step explanation:

Total songs = 193

Probability of pop song = 39/193 = 0.202

7 0
3 years ago
a cellphone store sold 450 newly released cell phones in three hours. this was 30% of the number of phones sold that day. how ma
lana [24]

we have 3 things here. 30% out of 100% of the 450 phones

In order to find the missing percent we multiply the 450 by 100 and divide its product by 30

The answer is 1500

8 0
4 years ago
Read 2 more answers
How many 2 digit whole numbers are increased by 18 when they're digits are reversed
Anika [276]

This can be calculated easily.

As any two digit number can be written in the following form:

N= 10x +y

If we reverse the number now, it would become:

N' = 10y + x

So if we subtract one from the other, we should obtain 18 ( as mentioned in the question ).

N-N'= 18

=> x-y = 2

Thus, any number whose digits differ by two would be an aswer to the question.

The only numbers which satisfy this are : 13,24,35,46,57,68,79

But this would not be true for any 3 or more digit number.

8 0
3 years ago
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