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3 years ago

What is the perimeter of JKLM?

Mathematics

1 answer:

Tju [1.3M]3 years ago

6 0

Start with the 60, 60, 60 degree triangle, one of the sides are 12 so all the other sides are 12. So we have 12+12+12+9=45

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What is a third-degree polynomial function P(x) with rational coefficients so that P(x) = 0 has roots −3 and i?

Mandarinka [93]

Answer:

x²-(i-3)x- 3i

Step-by-step explanation:

What is a third-degree polynomial function P(x) with rational coefficients so that P(x) = 0 has roots −3 and i?

Given the toots of the polynomial to be -3 and i, the factors of the polynomial will be (x+3) and (x-i)

Taking the product

P(x) = (x+3)(x-i)

P(x) = x²-xi+3x-3i

P(x) = x²-(i-3)x- 3i

Hence the required polynomial is

x²-(i-3)x- 3i

3 0

3 years ago

WILL MARK BRAINLIEST AND WORTH 30 POINTS

BabaBlast [244]

Answer:

The growth factor of f(x) is less than the growth factor of g(x).

Explanation:

$\displaystyle g(x) = 3(4)^x \\ \\ f(x) = 4(3)^x$

x | f(x)

_____

0 | 4

1 | 12

2 | 36

You can tell because the g(x) function is multiplying by 4, while the f(x) function is multiplying by 3.

I am joyous to assist you anytime.

5 0

4 years ago

10) → Michael paid $8.40 for a DVD after having been given a 30% discount.

tatyana61 [14]

Answer:

Step-by-step explanation:

If the presale price is $x$ ,

then $x*(1-0.30)=8.40\\0.70x=8.40\\x=8.40/0.70=12.0\\$

Thus the presale price is $12.0

5 0

4 years ago

5. Which operation should be used to solve x + 7 = 19? - 7 : 7 x 7 + 7

Goshia [24]

Answer:

the answer for the operation that should be used to solve x+7 is -7

4 0

3 years ago

Write 40,630 Scientific notation

Alexeev081 [22]

Answer:

4.063 x 104

Step-by-step explanation:

Why is 40,630 written as 4.063 x 104 in scientific notation?

7 0

4 years ago

Read 2 more answers