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Andreyy89
3 years ago
7

Without calculating the sum, determine whether each answer will be rational or irrational.

Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0

Answer:

Irrational

rational

Step-by-step explanation:

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What is f(-3) for the function f(a). =-2ax2-5a+4
Nataly_w [17]

The value of function f(x). =-2ax² -5a + 4 at a = -3 will be -23a + 2.

<h3>What is a function?</h3>

The machine will only accept specified inputs, described as the function's domain, and will potentially produce one output for each input.

For example y = sinx ,  y = x + 3 ets.

Given,

f(x)  = - 2ax² -5a + 4

x = -3

f(-3) =  - 2a(-3)² -5a + 4

f(-3) = -18a - 5a + 4

f(-3) = 23a + 2

Hence the value of function f(x). =-2ax² -5a + 4 at a = -3 will be -23a + 2.

For more about the function

brainly.com/question/23712366

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2 years ago
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You’re rectangular 12 feet long and 8 feet wide. Your friend’s rectangular vegetable garden 50 feet long and 10 feet wide are th
igor_vitrenko [27]

Answer:

No

Step-by-step explanation:

For shapes to be similar, their ratios of length-to-length and width-to-width must be the same. When you divide the larger length by the smaller length and the larger width by the smaller width, do you get the same number? No, so these rectangles are not similar.

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3 years ago
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What is the exponential regression equation for the data set?
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Answer:

Exponential Regression. An exponential regression is the process of finding the equation of the exponential function that fits best for a set of data. As a result, we get an equation of the form y=abx where a≠0 .

Step-by-step explanation:

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3 years ago
If ⅔ of a number is 20 what is ½ of the number?​
zmey [24]

Answer:

15

Step-by-step explanation:

2/3 of 30 is 20, so 1/2 of 30 is 15

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2 years ago
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Given the sequence below, what is the 9th term? 2, 1, 4, -1, 6, ...
jolli1 [7]

Answer:

The 9th term would be 10.

Step-by-step explanation:

Each of the odd terms is 2 more than the previous. We do not even need to look at the even terms to find the 9th one.

2, odd, 4, odd, 6, odd, 8, odd, 10

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