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kherson [118]
3 years ago
12

Questions 13 and 17 if anybody knows ?

Mathematics
1 answer:
jenyasd209 [6]3 years ago
8 0
13) If T(n) = 2n-7, what is the 5th term?
n is the number of the term you are looking for. In this instance, n is equal to 5.

T(5) = 2(5) - 7
T(5) = 10 -7
T(5) = 3

The 5th term is 3.

17) inequality based on the line number.
Since the line does not extend in any direction outward. It means that the range should be within -3 and 3. 
Solid circle means that -3 is equivalent to x
hollow ciccle means that 3 is not x.

-3 <u><</u> x < 3

x = any number from -3 upto 2.
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What is the maximum area for a rectangle whose perimeter is 48 meters?
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Answer:

12m²

Step-by-step explanation:

For a rectangle, with length L and width W,

the perimeter is given as

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P = (2 x Length)  + (2 x Width)

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It is given that the perimeter is 48, hence

48 = 2L + 2W   (divide both sides by 2)

24 = L + W

or

L = 24 - W -----> eq 1

Also realize that the Area of a Rectangle is given by

A = L x W  -----> eq 2

Substituting eq 1 into eq 2,

A = (24 - W) x W

A = -W² + 24W

Recall that for a quadratic equation y = ax² + bx + c, the maxima or minima is given by y(max) =  -b/2a

In this case, b = 24 and a = -1

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3 years ago
What is the opposite of 18​
balandron [24]

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-18

Step-by-step explanation:

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Write the sentence as an equation.<br> 62 more than the product of 150 and r is 40
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2 years ago
A colony contains 1500 bacteria. The population increases at a rate of 115% each hour. If x represents the number of hours elaps
Burka [1]

Answer:Answer:

Option (c) is correct.

function representing the increase of bacteria every hour x,

Step-by-step explanation:

Given : A colony contains 1500 bacteria. The population increases at a rate of 115% each hour.

we have to find the function that represents the given scenario.

Let x represents the number of hours elapsed.

Given  A colony contains 1500 bacteria

and number of bacteria is increasing at a rate of 115% each hour.

Using formula for Compound interest , we have,

Where A is amount

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Here, P = 1500

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Let f(x) be the function representing the increase of bacteria every hour.

Substitute, we have,

Simplify, we get,

Thus,  function representing the increase of bacteria every hour x,

5 0
3 years ago
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