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evablogger [386]
3 years ago
15

Mara 1/5 of her assignment on Saturday and 3/8 of her assignment Sunday. What fraction of her assignment did she complete on Sat

urday and Sunday
Mathematics
1 answer:
Galina-37 [17]3 years ago
6 0

Answer:

on Saturday and Sunday she did 23/40 of her homework

Step-by-step explanation:

1/5 + 3/8

8/40+ 15/40= 23/ 40

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Difference of 3 times c and 7
guajiro [1.7K]

Answer:

It could be anything more than 7

Step-by-step explanation:

3 x 7 - c or 3(c-7)

3 0
3 years ago
0.18=..........- -18+-1.8​
-Dominant- [34]

Answer:

-16.02

Step-by-step explanation:

I assume the "......" is a variable replacement. I will use x instead.

0.18 = x - - 18 + - 1.8

Negative + Negative = Positive

0.18 = x + 18 + - 1.8

Positive + Negative = Negative

0.18 = x + 18 - 1.8

Combine like terms

0.18 = x + 16.2

Subtract both sides by 16.2 to isolate the variable x

0.18 - 16.2 = x + 16.2 - 16.2

-16.02 = x + 0

-16.02 = x

Check your work:

Plug in -16.02 into the original equation

0.18 = -16.02 + 18 - 1.8

They should equal each other; let's check to make sure

0.18 = 1.98 - 1.8

0.18 = 0.18

They equal each other so our answer is correct

3 0
3 years ago
Please help me I need ASAP
gtnhenbr [62]

Answer:

Hope it helps

if you need more explanation, just ask

7 0
3 years ago
If anyone can tell me how to do 26 that would be great PLEASE SHOW WORK
katovenus [111]

Hello from MrBillDoesMath!

Answer:

Discussion:

I stared at the numbers 19, 29, 39, 49, 59, 69,... for a second and noticed that adding 10 to any number gives the next number to the right. For example,


19 + 10 = 29

29 + 10 = 39

39 + 10 = 49

etc.....


A recursive formula would be:

a(0) = 19        

a(n+1) = a(n) + 10    if n >= 0


Regards,  

MrB

8 0
3 years ago
Multiply each polynomial <br><br> (x + 5)(x+4)<br><br> teach me step by step
lara [203]

Answer: x^2 + 9x + 20

Step-by-step explanation:

Foil Method: (a + b) (c + d) = ac + ad + bc + bd

Lets say:

a = x

b = 5

c = x

d = 4

Plugging in the numbers: xx + 4x + 5x + 5*4

Combine like terms:

xx = x^2

4x + 5x = 9x

5 * 4 = 20

You're then left with: x^2 + 9x + 20

6 0
3 years ago
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