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qwelly [4]
4 years ago
15

Can you help me with these questions​

Mathematics
1 answer:
dlinn [17]4 years ago
7 0

Answer:

see below (I hope this helps!)

Step-by-step explanation:

41. √20 = √4 * 5 = √4 * √5 = 2√5

43. The sum of interior angles in a triangle is 180°, therefore, x = 180 - (75 + 64) = 41°.

45. 15 + 5(2x - 3) = 15 + 5(2x) + 5(-3) = 15 + 10x - 15 = 10x

47. Complementary angles have a sum of 90°, therefore, x = 90 - 48 = 42°.

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7. Calculate the distance Derek rows<br> his boat if he rows a mile each day<br> for 11 days.
Bogdan [553]
If Derek rows a boat one mile for 11 days, we can solve this using the equation:

11*1=11

So in 11 days, Derek rows 11 miles.

I hope this helps!
8 0
3 years ago
A bag contains 15 marbles. The probability of randomly selecting a green marble is 5. The probability of randomly selecting a
goblinko [34]

Answer:

5

Step-by-step explanation:

I believe it is 5. I'm not always right. so idk if that was right but u can try it.

3 0
3 years ago
In a bag there are blue sweets and red sweets.
xxTIMURxx [149]

Answer:

9/4

Step-by-step explanation:

9 out of 4 are blue, just flip the ratio.

8 0
3 years ago
Read 2 more answers
How do I subtract decimals?
Rasek [7]

Answer:

u line ub the decimals and s=do regular subtraction

Step-by-step explanation:

8 0
3 years ago
If ℓ ∥ k and k ∥ m, then _____
IgorC [24]

Answer:

E ||M

Step-by-step explanation:

This is based upon the postulate if A=B and B=C then A=C. picture it like this, you have 3 lines. The top and middle are parallel. The bottom and middle are parallel. so obviously the top and bottom are too

4 0
3 years ago
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