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Kaylis [27]
4 years ago
13

HELP ME PLEASE !!!!!!! WILL GIVE 50 pts

Mathematics
2 answers:
Zielflug [23.3K]4 years ago
4 0
Vertex formula = -b/2a
-18/1 = 18.
However, this is just the x value, the vertex is (x,y)
-18*2 + 18(18) - 72 = 576
A) (18,576)
576 dollars made with 18 members is the highest amount made in one day.

B) (12,0) (6,0)
aivan3 [116]4 years ago
4 0

B) (12,0) (6,0) .....

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3 tins of beans and 4 tins of tomatoes cost 2.73. 5 tins of beans cost 1.55. how much is one tin of tomatoes?​
Aneli [31]

Answer:

$0.45

Step-by-step explanation:

1 tin of beans-> $1.55÷3=$0.31

3 tins of beans-> $0.31×3=$0.93

4 tins of tomatoes-> $2.73-$0.93=$1.80

1 tin of tomatoes->$1.80÷4=$0.45

4 0
3 years ago
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What is the height of a trapezoid with an area of 99 in.2 whose bases are 6 in. and 12 in.?
vladimir1956 [14]

Answer:

trapezoid area = ((sum of the bases) ÷ 2) • height

trapezoid area = ((6 + 12) / 2) * height

trapezoid area = 18 / 2 * height

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Step-by-step explanation:

7 0
3 years ago
2r^2+3s^3-r^2+4t^2-r^2 if r=-2, s=-3, and t=5
dimulka [17.4K]
2(-2)^2+3(-3)^3-(-2)^2+4(5)^2-(-2)^2 = 19

19 is the answer.
3 0
3 years ago
2/7 into percents ??
mafiozo [28]

Answer:

28.57142857 %

Step-by-step explanation:

Convert the fraction to a decimal, then multiply by  100 .

28.57142857 %

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Need of helpp for my test​
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Answer:

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Step-by-step explanation:

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