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valentinak56 [21]
3 years ago
8

4. Error Analysis Jacinta says that the product of a rational number and an irrational number is always irrational. Explain her

error.​
Mathematics
1 answer:
Vinvika [58]3 years ago
5 0

Answer:

She did not consider the multiplicative inverse property of a real number

Step-by-step explanation:

Jacinta in her conclusion did not consider the Multiplicative Inverse property of real numbers.

Let x be an irrational number.

So, $ x.\frac{1}{x}= 1$

If x is an irrational number, then its reverse is also an irrational number. So by the Multiplicative Inverse property their product is 1 and 1 is a rational number. Thus, Jacinta was incorrect.

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An isosceles triangle has two sides of equal length, a, and a base, b. The perimeter of the triangle is 15.7 inches, so the equa
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it cant be a negative number or zero

 so now you are left with 0.5, 2 and 7.9

15.7 - 0.5 = 15.2 ( 15.2/2 = 7.6)  this is possible

15.7 - 2 = 13.7 ( 13.7/2 = 6.85) this is possible

15.7 - 7.9 = 7.8 ( 7.8/2 = 3.9) (7.9/2 = 3.95) since the sides would be shorter than half the base this is not possible to form a triangle


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3 years ago
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What is the change in each termof the sequence? 5, -2, -9, -16, -23​
nordsb [41]

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-7

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To find the common difference, take the second term and subtract the first term

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Check by subtracting the second term from the third term

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The common difference is -7

7 0
3 years ago
If g(x) = 3(x + 10), what is the value of the<br> function when x = -8?<br> O<br> -8<br> -2<br> 24
Gala2k [10]

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6 which is none of your answers.

Are you sure your function is right?

Is value to plug in x=-8?

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To find the value of the function at x=-8, you replace x with -8 in the function.

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therfor the answer is no

it is because the radius is squaered so the doubled gets doubled makng it quadrupuled when the first one only gets doubled
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3 years ago
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