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3 years ago

Wich answer is not an example of a primary source?

Mathematics

2 answers:

aleksley [76]3 years ago

8 0

What are the answer choices?

yKpoI14uk [10]3 years ago

3 0

Answer:

Books written after the event in question. Works that include second hand information.

Hope this answers your question. If it is correct, could you please mark brainliest? Thank you!

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A craftsman can sell 10 jewelry sets for $500 each. He knows

liraira [26]

Answer:15

Step-by-step explanation:

Given

Craftsman sell 10 Jewelry set for $500 each

For each additional set he will decrease the price by $ 25

Suppose he sells n set over 10 set

Earning $=\text{Price of each set}\times \text{no of set}$

Earning $=(500-25n)(10+n)$

$E=5000+500n-25n^2-250n$

differentiate to get the maximum value

$\frac{dE}{dn}=-50n+250$

Equate $\frac{dE}{dn}$ to get maximum value

$-50n+250=0$

$n=\frac{250}{50}$

$n=5$

Thus must sell 5 extra set to maximize its earnings.

5 0

3 years ago

Lf oil costs $95 per barrel and $1 =R8. How much does a barrel cost in rands?.

Elan Coil [88]

Answer:

R760

Step-by-step explanation:

If $1 is equivalent to R8 and the total oil costs $95 you must multiply 8x95. This leaves you with an answer of R760

7 0

3 years ago

What would 672,831 be rounded to the nearest hundred

maks197457 [2]

Answer:

672,800

Step-by-step explanation:

672,800 672800

8 0

4 years ago

The graph of the equation y equals 1/2 x - 3 determine the value of y for the point (4,y).

oksano4ka [1.4K]

The answer is b. If your problem is y=1/2x-3

3 0

3 years ago

Please help me out pleaseee

snow_lady [41]

The answer is C.0.2
That’s what I got

3 0

3 years ago

Wich answer is not an example of a primary source?​

Wich answer is not an example of a primary source?