Which fractions are equivalent to - 4/9
A: -2/5
B:-8/18
C: 16/-36
D: 20/45

Answers

Answer 1

Answer: B and c

B = - 4/9 x 2 = -8/18

C = - 4/9 x 4 = -16/36

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The half-life of a radioactive kind of lanthanum is 93 minutes. How much will be left after 279 minutes, if you start with 2,064 grams of it?

Answers

easy just subtract 2,064by 279

2,064- 279 that's what i thing the answer is sorry for answering so late .

How can fact families and multiplication facts help you divide

Answers

Divison is the opposite of Multiplication. Example: 6/3=2 2*3=6 . The product would be the dividen is the situation

Because multipacation abd division are inverse operations.

Sacha has 4 quarters in her pocket.she has 6 timés as many quarters in her piggy Bank. Draw a picture to show thenumber of quarters sacha has in her piggy Bank.

Answers

So 4X6=24 so i think the answer is 24

2(5x-7)=2x+10 what Is the distributive property

Answers

Answer:x = 3

Step-by-step explanation:

2(5x-7)=2x+10

distribute 2(5x-7)

=2*5x - 2*7

∨ ∨

10x - 14

10x - 14 = 2x + 10

add 14 to both sides

10x-14=2x+10

+14 +14

simplify

10x=2x+24

subtract 2x to both sides

10x=2x+24

-2x -2x

simplify

8x=24

divide both sides by 8

8x=24

÷8x ÷ 8x

x = 3

What are the 40th and 50th multiples of 15

Answers

40th multiples of 15 is 40 x 15 = 600

50th multiples of 15 is 50 x 15 = 750

SolveSusan has 45 hats in 10 cupboards her friends borrowed some of the hats. Nicky borrowed 3 hats and Shelly borrowed 2 hats. If Susan divided the remaining hats into the cupboards, how many hats would be in each cupboard? Explain.