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cupoosta [38]
3 years ago
14

Will give brainliest!! I need these answers asap!!! Please show your work!!! (Please do all of the 21 questions)

Mathematics
1 answer:
Alexandra [31]3 years ago
3 0

Answer: this is gonna be kinda long here i wrote some on because it was to much

Step-by-step explanation:

5. 459 times 87 = 39933

6. 2,679 times 5 = 13395

987 times 23 = 22701

9. 64,897 divided by 47 = 1380

10. 687 times 9 = 6183

17. 987 divided by 97 = 10

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A pan with its lid weighs 2.6 kg and the lid alone weighs 400g.
Rashid [163]

Answer:

2.6 : 400 -----convert both to either grams or kg, i'm doing grams

2600 : 400 ----simplify by 200

13:2 is lowest

8 0
3 years ago
Which number, when placed in the box, will make the equation true?<br> _^2 =square root of 64
velikii [3]
The answer is 8✊✊✊✊✊✊✊✊✊
4 0
3 years ago
Read 2 more answers
Add a construction job for a gallery, 105 painters were tasked with painting the interior. These painters made up 75% of the tot
nexus9112 [7]
Let P stand for the Paint crew...and you know that 75% of that crew = 105 people. So we know that...
P x .75 = 105
Divide both sides of the equation by .75 to solve for P...
P = 105/.75 = 140
So the total paint crew has 140 painters.
7 0
3 years ago
You roll a 6 sided die 2 times what is the probability of rolling a 6 and then rolling a number greater than 2
jek_recluse [69]

Answer:

1/9 probability of rolling a 6 and then a number greater than 2

Step-by-step explanation:

1. Rolling a six on the first go is 1/6 chance

2. Rolling a number greater than 2, for example 4, is also 1/6 chance

3. So we know that at first, there is a 1/6 chance of rolling a 6, now when the die is rolled again, there needs to be a 3, 4, 5 or 6, each of these has a 1/6 chance again

4. So the chance of rolling a 6 and then a 3 is solved by finding the chance of rolling 6, then multiplying that by the chance of rolling a 3 afterwards

5. We get an equation of 1/6 x 1/6 which = 1/36

6. We apply this to the rest of the possible combinations, 6 and then 4 which is 1/36,  6 and then 5 etc.

7. Once we find all possible combinations, we add them up, this means that 6 then 3 = 1/36, 6 then 4 = 1/36, 6 then 5 = 1/36 and 6 then 6 = 1/36 is added so we get 1/36 + 1/36 + 1/36 + 1/36 = 4/36

8. We simplify this to get 1/9

7 0
3 years ago
Freddy is two years old than her brother. Twelve years ago, she was twice as old as he was. How old were they? Equation
Hitman42 [59]
F=2+b
12 years ago
f-12=2(b-12)
f=2+b
2+b-12=2(b-12)
b-10=2b-24
minus b both sides
-10=b-24
add24
14=b

14-12=2
2+2=4

freddy was 4 and brother was 2
they are now 16 and 14
8 0
3 years ago
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