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Elina [12.6K]
3 years ago
8

Please express the value of 72° in radians.

Mathematics
1 answer:
Maru [420]3 years ago
3 0
The express is in the pic but the answer is 1.257 radians

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The sales tax on a surfboard is $12. What is the percent of sales tax?
Rudik [331]
X= sales tax %

Step 1:
$240 * sales tax %= $12
240 * x= 12
240x=12
Divide both sides by 240
x= 0.05 (decimal of the %)


Convert to %:
Multiply decimal by 100 (or move decimal to the right two decimal places
=0.05 x 100
=5 %

The sales tax is 5%.

Hope this helps! :)


8 0
3 years ago
The cost to produce a product is modeled by the function f(x) = 5x2 − 70x 258, where x is the number of products produced. compl
ad-work [718]

The minimum cost to produce the product is $7.

What are functions?

  • A function from a set X to a set Y allocates exactly one element of Y to each element of X.

To determine the minimum cost:

We have to determine the minimum cost of producing this product.

Since f(x) = 5x^{2} -70x+258.

Now, consider the equation 5x^{2} -70x+258= 0.

Dividing the above equation by 5, we get

x^{2} -70x/5+258/5=0\\x^{2} -14x+258/5=0

Now, considering the coefficient of 'x', dividing it by '2' and then adding and subtracting the square of the number which we got after dividing.

Since the coefficient of 'x' is 14, and half of 14 is '7'.

So, adding and subtracting from the above equation.

x^{2} -14x+(7)^{2} -(7)^{2}+258/5=0\\x^{2} -14x+49 -49+258/5=0\\(x-7)^{2} -49+258/5=0\\(x-7)^{2} +258-245/5=0\\(x-7)^{2} +13/5=0\\5(x-7)^{2} +13=0

Now, we have to determine the minimum cost to produce the product.

Since f(x) = 5x^{2} -70x+258.

f'(x) = 10x-70

Now, let f'(x)=0

10x-70=0\\10x=70

Therefore, x=7

Now, consider which is greater than 0.

Therefore, x= 7 is the minimum cost.

Know more about functions here:

brainly.com/question/25638609

#SPJ4

5 0
1 year ago
Write the place value 5 in number 2252
MAXImum [283]

Answer:

Tens place value

Step-by-step explanation:

it goes : thousands, hundreds, tens, ones

4 0
3 years ago
Read 2 more answers
Which of the following sentences could not be used to represent the equation 7/2= 14?
yawa3891 [41]

Answer:

The third sentence is wrong.

Step-by-step explanation:

It is not 2 divided by a number equals 14. 7 is divided by a number and equals 14.

7 0
2 years ago
Help me plssssssssssssssssssssssssssss
Rama09 [41]

Answer:

D. 2750

Step-by-step explanation:

22/200 = 0.11

0.11*25000=2750

5 0
2 years ago
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