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Nonamiya [84]
3 years ago
8

Blaine had $68 in his checking account. He tried buying a coat, but he could not make the purchase because the money in his acco

unt was $21 short of the price of the coat. How much did the coat cost?
Mathematics
2 answers:
ICE Princess25 [194]3 years ago
8 0

Answer:

89

Step-by-step explanation:

Because he has $68. And he is $21 short you just need to to add the two numbers together. Hope that helps!

sineoko [7]3 years ago
3 0

Answer:

89

Step-by-step explanation:

68 plus 21 is 89.

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Answer:

The equation is given by:

D(t) = 80 + 9\sin{0.2618t}

Step-by-step explanation:

Sine function:

Has the following format:

y = A\sin{bx}

In which A is the amplitude and \frac{2\pi}{b} is the period.

Suppose you know the temperature is 80 degrees at midnight and the high and low temperature during the day are 89 and 71 degrees

This means that the amplitude of the sinusoidal variation function is 89 - 80 = 80 - 71 = 9. This means that A = 9

During a 24-hour day, which means that the period is 24. So

\frac{2\pi}{b} = 24

24b = 2\pi

b = \frac{2\pi}{24}

b = 0.2618

So the variation is:

V(t) = 9\sin{0.2618t}

Assuming t is the number of hours since midnight, find an equation for the temperature, D, in terms of t.

Initial temperature of 80, so:

D(t) = 80 + V(t) = 80 + 9\sin{0.2618t}

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3 years ago
Using the answers from z^4=16 determine the solutions of the equation (x+1)^4=16(x-1)^4​
Artemon [7]

i hope i have been useful buddy.

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4 0
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A case of tomato cans weighs 563 dekagrams. A case of soup cans weighs 458 dekagrams. How much do the two cases weigh together i
oee [108]

Answer:

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Step-by-step explanation:

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The two cases together weigh 102,100 decigrams.

_____

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77julia77 [94]

Answer:

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Step-by-step explanation:

Given that Genesis needs to pay $12.00 for entrance into the book club.

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y = mx+b

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