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Lemur [1.5K]
3 years ago
8

At the local pet store, zebra fish cost $2.10 each and neon tetras cost $1.85 each. If Marsha bought 13 fish

Mathematics
1 answer:
My name is Ann [436]3 years ago
5 0

Answer:

.5

Step-by-step explanation:

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Which conditional statement has a false converse?
exis [7]

Consider the converses:

a) If two planes have no points in common, then they are parallel. (true)

b) If a point lies on the y-axis, then it has x-coordinate 0. (true)

c) If two angles have the same measure, then they are congruent. (true)

d) If a figure has four sides, then it is a square. (FALSE) (A figure with 4 sides may not even be a plane figure.)

8 0
4 years ago
In a bag of keys, there are 12 silver keys, 5 black keys, 11 copper keys, and 2 painted keys of various colors. One key is drawn
umka2103 [35]
The total number of keys equals:
12 + 5 + 11 + 2 = 30 keys

The probability to pick a sliver key is:
12/30 = 2/5

The probability to pick a copper key is:
11/30

Hope that helps
7 0
3 years ago
(03.01 MC)Maria and Edwin have $23.00 each to spend at a book fair, where all students receive a 25% discount. They both want to
Vadim26 [7]
Both Maria and Edwin get the same price on the end.
$26.50*75%/100=$19.875
$19.875*10%/100+$19.875=$21.86
They are purchased copy of the book for $21.86 each.
Theay have $1.14 after purchasing both.
4 0
3 years ago
The width of a rectangle is 13 inchs more than 5 times the length. if x represents the length, write an algebraic expression in
rjkz [21]

perimeter is 2L+2W

problem states width = 5L+13

so plug that in for w:

P=2L+2(5L+13)

 now simplify

P=2L+10L+26

P=12L+26

3 0
3 years ago
0.96*7.1 don't Kno know to check for the reasonablesness
Ierofanga [76]

Answer:

6.816. To check for reasonableness, you know that 0.96 is pretty close to 1, so since 6.816 is pretty close to 7.1, you know your answer is reasonable.

Step-by-step explanation:

5 0
3 years ago
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