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otez555 [7]
3 years ago
10

Help me, please :) I need to find the value of x

Mathematics
1 answer:
irina1246 [14]3 years ago
3 0
The vale of x is 55 !!
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UNO [17]

Answer: Final Answer  

x=15,x=−15

Step-by-step explanation:

3 0
3 years ago
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How many fluid ounces of vinegar should be mixed with 80 fluid ounces of water
patriot [66]
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5 0
2 years ago
The tiles below represent the polynomial 2x+ 5x+ 3.
alekssr [168]

Answer:

(2x+3)(x+1)

Step-by-step explanation:

A P E X

6 0
3 years ago
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3 years ago
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Compound interest In Exercise,$3000 is invested in an account at interest rate r,compounded continuously.Find the time required
xenn [34]

Answer:

(a) 8.15

(b) 12.92

Step-by-step explanation:

Given: P = $3000, r = 0.085

                A = Pe^{rt}

Where

A is the Amount

P is the Principal

r is the rate

t is the time

(a) For the amount to double, A = 2 × P

               A = 2 × $3000

               A = $6000

               6000 = 3000e^{0.085t}

               \frac{6000}{3000} = e^{0.085t}

               2 = e^{0.085t}

Take log_{e} of both sides

               log_{e}2 = log_{e}e^{0.085t}

But log_{e}e = 1

            ∴ ln2 = 0.085t

               t = \frac{ln2}{0.085}

               t = \frac{0.693}{0.085}

               t = 8.15

(b) For the amount to double, A = 3 × P

               A = 3 × $3000

               A = $9000

               9000 = 3000e^{0.085t}

               \frac{9000}{3000} = e^{0.085t}

               3 = e^{0.085t}

Take log_{e} of both sides

               log_{e}3 = log_{e}e^{0.085t}

But log_{e}e = 1

            ∴ ln3 = 0.085t

               t = \frac{ln3}{0.085}

               t = \frac{1.0986}{0.085}

               t = 12.92

5 0
3 years ago
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