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Dahasolnce [82]
3 years ago
9

I dont know how to solve these

Mathematics
1 answer:
nlexa [21]3 years ago
6 0
Hi! This paper is from Singapore right?

6. (a) the inequality is 45x<y (i think) which is x< (y/45)
(b) If John has 1200 dollars which is y,
x= (1200÷45) = 26.667 ~ round down to nearest number (maximum) is 26.
so the maximum tickets is 26.
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IS 8.8 GREATER THAN 8.01
Tema [17]

Answer:

Yes, it is.

Step-by-step explanation:

The second 8 in 8.8 is greater than the 0 in 8.01.

6 0
3 years ago
if there are 2040 seats in a section of a stadium, 20 seats in the first row, and 4 more seats in each row, how many rows are th
Lorico [155]


2040 = n/2(20+(n-1)4)

4080 = n(20+4n-4)

4080= 20n +4n^2 -4n

1020 = 4n + n^2

n^2 +4n -1020 =0

use common formula (can't write out so just look at answers. sorry)

which gives answers of n=-34 and n=30. since n can only be positive, n=30 so there are 30 rows. I liked that challenge

5 0
3 years ago
Read 2 more answers
If f(x)= x2 + 2x - 6 and g(x)= 3x2 - 5x - 7, find f(x)-g(x).
dezoksy [38]

Answer:

- 2x² + 7x + 1

Step-by-step explanation:

f(x) - g(x)

= x² + 2x - 6 - (3x² - 5x - 7) ← distribute parenthesis by - 1

= x² + 2x - 6 - 3x² + 5x + 7 ← collect like terms

= - 2x² + 7x + 1

8 0
3 years ago
64,328 to the ten thousands place
Flauer [41]
If you are looking to round, then you simply either round up or round down due to the term before the place you want to round (in this case, the thousands place). when you round in this case, you would round down because 4 is less than 5 (the middle point between 0 and 10) in which case would give us 60,000
6 0
3 years ago
Heeeeeeelpppppp!!! brainliesttttt
amid [387]

2 1/2 I think!

I hope I got it right!

6 0
3 years ago
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