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Fantom [35]
4 years ago
6

The function h is defined by h(x)=(20x−k)÷x+50, where k is a constant. Find k, if the value of ℎ at x=20 is equal to 65.

Mathematics
2 answers:
ioda4 years ago
8 0
65=(20•20 - k) / 20 +50
15=(400-k)/20
300=400-k
-100=-k
100=k
N76 [4]4 years ago
3 0

Answer:

100

Step-by-step explanation:

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8 0
4 years ago
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What is the polynomial in standard form ? <br><br><br>(X-4)(x-6)=
Oksana_A [137]

Answer:

x² - 10x + 24

Step-by-step explanation:

(x -4)(x - 6)

To write this in standard form, we need to FOIL the binomials.

FOIL: first – outer – inner – last

F: x • x = x²

O: x • -6 = -6x

I: -4 • x = -4x

L: -4 • -6 = 24

Combine the new terms.

x² - 6x - 4x + 24

Combine like terms.

x² - 10x + 24

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Hope this helps!

3 0
3 years ago
What is half of the number 3.5?
Archy [21]
1.75  because you would divide 3.5 by 2
3 0
3 years ago
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How to do this here
pogonyaev

Answer:

Step-by-step explanation:

6 0
3 years ago
Can someone help me pls
Rina8888 [55]

Answer:

c = (E/m)^1/2

Step-by-step explanation:

Here, we want to solve for c in the given equation

what we have here is that;

E = m•c^2

Thus;

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c = (E/m)^1/2

3 0
3 years ago
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