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sweet-ann [11.9K]
3 years ago
6

Order of Operations with and without variables

Mathematics
1 answer:
lyudmila [28]3 years ago
6 0
I think the answer is -4
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Find the interest due on &1,400 at 9% for 270 days
Dimas [21]
Answer:
Interest = $93.205

Explanation:
Interest can be calculated as follows:
I = Prt
where:
I is the interest we want to canlculate
P is the principle amount = $1400
r is the interest rate in decimal = 9% = 0.09
t is the time in years = 270/365

Substitute with the givens in the above equation to get the value of the interest as follows:
I = 1400 * 0.09 * (270/365)
I = $93.205

Hope this helps :)
6 0
3 years ago
Pythagoraen Theorem helpp plzzzzz
natka813 [3]

Answer:

4.79

..............................

8 0
2 years ago
The hydrogen ion concentration (h+) in a certain cleaning compound is (h+)=3.2x10^-11 use the formula ph=-log(h+) to find the pH
Furkat [3]

Answer:

The pH of the clean compound is approximately 10.495.

Step-by-step explanation:

If the cleaning ion concentration of the cleaning compound is [H^{+}] = 3.2\times 10^{-11}, then the pH, no unit, of the compound is:

pH = -\log_{10} [H^{+}]  (1)

pH = -\log_{10} (3.2\times 10^{-11})

pH = -\log_{10} 3.2 - \log_{10} (10^{-11})

pH = -\log_{10} \frac{32}{10} +11

pH = -\log_{10} 32 + \log_{10} 10 + 11

pH = -\log_{10} 32 +12

pH \approx 10.495

The pH of the clean compound is approximately 10.495.

6 0
2 years ago
Express 2/11 as a recurring decimal
Sauron [17]
The answer is :

0.18181818
But you can also write it like this


3 0
2 years ago
Read 2 more answers
Fantastic Flags, Inc. finds that the cost to make x flags is C=32x + 18,695, while the
rodikova [14]

Answer:

at least 4674 flags should be sold to show a profit

Step-by-step explanation:

The net profit is defined as the revenue (income from selling the flags) minus the cost (of producing the flags).

Since we want that profit (P) to be larger than zero, we want the Revenue (R) to be larger than the cost (C):

P = R - C

we want  P > 0 (zero) then we want:  R - C > 0 which means R > C

We can now replace R and C by their expressions in terms of x (the number of flags produced):

36 x > 32 x + 18695

we subtract 32 x from both sides to gather all terms in the variable "x" on the left hand side of the equation:

36 x - 32 x > 18695

4 x > 18695

Now we solve for x by dividing both sides by 4 (thus isolating the unknown x):

x > 18695 / 4

x > 4673.75

Therefore x must be at least the following integer to 4673.75, that is : 4674

6 0
3 years ago
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