MATHEMATICS MIDDLE SCHOOL

How to find the angles of the parallel lines 1&4

Answers

Answer 1

Answer:

52+ <5 + 47 = 180

99 + < 5 = 180

< 5 = 81

<3 = 47 degrees alternate interior angles are equal

<3 +<4 = 180 straight line

47 +<4=180

<4 = 133

<2 =52 degrees alternate interior angles are equal

<1 +<2 = 180 straight line

<1 +52 = 180

<1 =128

Answer 2

Answer:

' x ' doesn't appear anywhere in the drawing, so we can't use anything in the drawing to find its value.

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What is 7a - 3 = 3 + 6a

Answers

Firstly, you add 3 to both sides (as you've got to eliminate the -3), and this gives you;
7a=6+6a.
Then in order to get a alone, you need to subtract 6a from the right hand side (in order to counter balance) and this gives you;
1a=6
Therefore, a is equal to 6
Hope this helps :)

suppose Richard walks one kilometer every 10 minutes how many meters are there can you walk in an hour at this new rate

Answers

One kilometer is 1000 meters. One hour is 60 minutes, or six segments of 10 minutes each. If you can walk 1000 meters in 10 minutes, you can walk 6000 in an hour (that is REALLY fast, by the way)

amy has 72 Street and affection keeps one fourth of them for herself and she read the rest of their friends how many sweets will she get her friends

Answers

so she has 72 sweets? and she keeps one forth of them? that's 72/4=18. So she keeps 18.

the rest she gives to her friends: this is 72-18=54 .So she gives 54 to her friends.

I hope this was the question? Let me know if i missed something!

Marti's car has a sale price of $6,630. How much money does she pay after a $1,090 rebate

Answers

Answer:

Total cost =5540

Step-by-step explanation:

Total Cost = Sale price minus Rebate

We know the sale price =6630 and the rebate =1090

Substitute these values in

Total cost = 6630-1090

Total cost =5540

The sentence 3+(5+2)=(5+2)+3 illustratesA: the commutative property of addition.
B: the associate property of addition.
C: the distributive property of multiplication over addition.
D: the additive identity element.