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Crazy boy [7]
3 years ago
5

Ok heres the first one

Mathematics
2 answers:
Dima020 [189]3 years ago
6 0

Answer:

The answers are 1/10 and 3/5

Step-by-step explanation:

Hope this helps :))

eduard3 years ago
3 0

Answer:

It's 1 lap every 10 minutes, so 1/10

Step-by-step explanation:

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Plz help<br> Thank you very much!
saveliy_v [14]

Answer:

I believe the answer is 8.

Step-by-step explanation:

8.02 rounded to the nearest tenth is 8

7 0
3 years ago
Read 2 more answers
Write an integer to describe each situation. $98 is deposited into a checking account
padilas [110]

$98 dollars deposited into a checking account would be a positive integer because they're adding money into the account. It would be -98 if it was being taken out of the account.

4 0
3 years ago
Read 2 more answers
A- 5 = 31<br> 0.5b - 5 = 31<br> 2c - 5 = 31
Maru [420]

Answer:

what is the question?

Step-by-step explanation:

8 0
2 years ago
What is the answer to 5/8 x 1/2
sertanlavr [38]

Answer:

0.3125

Step-by-step explanation:

5/16 as a fraction

5 0
3 years ago
Could some one please help with question 9b and 11
stealth61 [152]
9b. a^4 +2a^2-8=0
factorise
(a^2 + 4)(a^2 - 2)=0
we then get two answers from the brackets
a^2=-4
a= sqrt(-4) or 2j
and the second bracket gives us a^2=2
a= sqrt(2)

11. First expand the brackets.
Ax^3 + Bx^2 - x^2 + Bx +Cx + D
then equate the coefficients, this basically means put all the x^3, x^2 etc values together.
so Ax^3=3x^3 so we know that A=3 Then put the x^2 together, so Bx^2-x^2=-x^2 and rearranging this gives B=0
Next we do Bx+Cx = 2x and we know that B is 0 so we can get rid of it and know that C = 2.
finally we can see that D = -7
5 0
3 years ago
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