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Kay [80]
2 years ago
14

T.J. invests $8,100 in an account

Mathematics
1 answer:
QveST [7]2 years ago
6 0

Answer:

I don't know

Step-by-step explanation:

if don't know

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A vector is a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another.

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AlekseyPX
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How many ml of 20 percent acid should be added to pure acid to make 70 ml of 30 percent acid?
Novay_Z [31]

Answer:

61.25%

Step-by-step explanation:

How many ml of 20 percent acid should be added to pure acid

to make 70 ml of 30 percent acid?

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let x = amt of 20% mixture

then

(70-x) = amt of pure acid

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0.20x + (70-x) =0 .30(70)

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8 0
3 years ago
What is the value of tanØ
mr_godi [17]

Answer:

tan ∅ = 24 / 7

Step-by-step explanation:

cos ∅ = 7 / 25

sin^2 ∅ + cos^2 ∅ = 1

sin^2 ∅ + (7 / 25)^2 = 1

sin^2 ∅ = 1 - 49 / 625

sin^2 ∅ = 625 - 49 / 625

sin^2 ∅ = 576 / 625

sin ∅ = root 576 / 625

sin ∅ = 24 / 25

tan ∅ = sin ∅ / cos ∅

tan ∅ = 24/25  /  7/25

Therefore, tan ∅ = 24 / 7

OPTION 4.   24 / 7

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Step-by-step explanation:

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