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4 years ago

What is the total price of $123.28 with a 7.5% tip

Mathematics

2 answers:

EleoNora [17]4 years ago

7 0

Answer: no

Step-by-step explanation:

maw [93]4 years ago

3 0

Answer: 9.2 rounded

Step-by-step explanation:

$123.28 * 7.5% = 9.24600

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A 22 gram sample of a substance that's used to preserve fruit and vegetables has a k-value of 0.1011. Find the substance's half-

Eddi Din [679]

Formula for exponential decay is:

N = No * e^-kt

N = 1/2(45) = 22.5

No = 45

k = 0.1109
The solution to your problem is as follows:

Let's try to solve the half-life if it is 45 grams, after which, you will now have an idea on how to solve the problem.

22.5 = 45 * e^(-0.1109t)

1/2 = e^(-0.1109t)

ln(1/2) = -0.1109t

t = (ln(1/2))/(-0.1109) = 6.25 days

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

4 0

3 years ago

NEED HELP ASAP PLEASE

katen-ka-za [31]

Answer:

Pretty sure its 40

Step-by-step explanation:

There is only 3 odd numbers on a 6 sided dice (1, 3, 5) and you would just divide 120 and 3

5 0

3 years ago

Whats the variable -4(6+n)+3=36

Alexeev081 [22]

-4(6+n)+3=36
-24 -4n + 3 = 36
-4n -21 = 36
-4n = 36 + 21
-4n = 57
n = -57/4
n = -14.25

5 0

3 years ago

Read 2 more answers

Find the solution set for this equation: -a2+4a=0 (Separate the two values with a comma)

Rashid [163]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \: \{ 0,4 \}$

____________________________________

$\large \tt Solution \: :$

$\qquad \tt \rightarrow \: - {a}^{2} + 4a = 0$

$\qquad \tt \rightarrow \: - ( {a}^{2} - 4a) = 0$

$\qquad \tt \rightarrow \: {a}^{2} - 4a = 0$

$\qquad \tt \rightarrow \:a(a - 4) = 0$

The two cases are :

a = 0

a -4 = 0, that leads to a = 4

We can conclude :

$\qquad \tt \rightarrow \:solution \: (a) = \{ 0,4\}$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

5 0

2 years ago

Read 2 more answers

Express the following in p/q form, where p and q are integers and q is not equal to 0.

Wewaii [24]

(I)1.272727... = 14/11
(II)0.1282828...= 127/990

(The solution is in the picture
NB : the two points on the two numbers in the solution means those two numbers are recurring or repeating )

5 0

3 years ago