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Over [174]
3 years ago
12

PLEASE HELP!! DUE SOON :(

Mathematics
1 answer:
Orlov [11]3 years ago
8 0

Answer:

13

Step-by-step explanation:

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Lance bought n notebooks that cost $0.75 each and p pens that cost $0.55 each. A 6.25% sales tax will be applied to the total co
Alik [6]

Answer:

a

Step-by-step explanation:

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8 0
3 years ago
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the ratio of boys to girls on the swim team is 5 to 4 . How many girls are on the team if there are 65 boys
gregori [183]

Write and solve an equation of ratios:

5 65

--- = ------

4 x

Then 5x = 260, or x = 52. There are 52 girls on the team. Note, as a check, that 65/52 reduces to 5/4, as it must.

4 0
3 years ago
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(Algebra II) The sides of a triangle are in the ratio 3 : 4 : 5. What is the length of each side if the perimeter of the triangl
qwelly [4]
A) 22.5 cm, 30 cm, and 37.5 cm

Divide 90 by 12 and multiply by three to check if any triplet has the answer in it. In this case only A
8 0
4 years ago
Quick please help!!!!
Westkost [7]

From the equation, we have

h=-20, k =21 , a^2=20^2, b^2=21^2

To find the vertex and focus, we have to use the following formula

Vertices =(h, k+-a) \\ Focii = (h,k+-c)

And

c = \sqrt{a^2 + b^2} = \sqrt{400+441} = 29

So, we have

Vertices=(-21,20+-20) \\ Focii=(-21, 20+-29)

Vertices =(-21,0),(-21,40) \\ focii=(-21,-9),(-21,49)

4 0
3 years ago
Is algebra.
jasenka [17]
18n^6-20n^4+10n^3=
2n^3 (9n^3-10n+5)

Hope this helps :)
3 0
3 years ago
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