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Ivanshal [37]
3 years ago
13

Translate each problem below into an equation and solve. Mr. Drysdale earned $906.25 in interest in one year on money that he ha

d deposited in his local bank. if the bank paid an interest rate of 6.25%, how much money did Mr. Drysdale deposit?
Mathematics
1 answer:
Effectus [21]3 years ago
5 0
6.25% of $906.25 + $906.25
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If P->q is true and q->r is true them the conclusión of p->r is also true this is called?​
tino4ka555 [31]

Answer:

This is called transitivity property

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3 years ago
The number of bacteria in a refrigerated food product is given by N ( T ) = 22 T 2 − 123 T + 40 , 6 < T < 36 , where T is
antoniya [11.8K]

Answer:

N(T(t)) = 1408t^2 - 385.6t - 105.52

Time for bacteria count reaching 8019: t = 2.543 hours

Step-by-step explanation:

To find the composite function N(T(t)), we just need to use the value of T(t) for each T in the function N(T). So we have that:

N(T(t)) = 22 * (8t + 1.7)^2  - 123 * (8t + 1.7) + 40

N(T(t)) = 22 * (64t^2 + 27.2t + 2.89) - 984t - 209.1 + 40

N(T(t)) = 1408t^2 + 598.4t + 63.58 -  984t - 169.1

N(T(t)) = 1408t^2 - 385.6t - 105.52

Now, to find the time when the bacteria count reaches 8019, we just need to use N(T(t)) = 8019 and then find the value of t:

8019 = 1408t^2 - 385.6t - 105.52

1408t^2 - 385.6t - 8124.52 = 0

Solving this quadratic equation, we have that t = 2.543 hours, so that is the time needed to the bacteria count reaching 8019.

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3 years ago
PLEASE HELP! Which statement is true?
Gekata [30.6K]
2nd one is correct answer
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2 years ago
Bella bought a small smoothie at the Pointe Coffee Shop and gave the barista a 10% tip. She spent $2.75 in all. How much did the
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She spent $2.50 for the smoothie (before the tip).


6 0
3 years ago
Plz help! I don’t understand this
kiruha [24]

Answer:

Option B

Step-by-step explanation:

-1/2x≥4

1) Multiply both sides of the inequality by the reciprocal of -1/2: (-2)

x≤-8

Graph x≤-8 as a line. Remember that lesser negative values go to the left!

ALSO don't forget when you multiply both sides of an inequality by a negative number the inequality sign flips.

5 0
3 years ago
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