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Phantasy [73]
3 years ago
7

What is the value of the function f(x) = 2x – 5 when x = 22? A17 B49 C105 D39

Mathematics
1 answer:
enyata [817]3 years ago
8 0
<span>f(x) = 2x – 5

</span><span>f(22) = 2(22) – 5 = 44 -5 = 39

answer

</span><span>D39</span>
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A number is 3 1/3 greater than another. If the sum of the numbers are doubled the answer would be 19 1/2
Delicious77 [7]

Answer:

smaller number = 3 5/24

larger number =  6 13/24

Step-by-step explanation:

let the larger number = x

smaller number = y

x - y = 3 1/3 equation 1

2(x +y) = 191/2 equation 2

divide equation 2 through by 2

x + y = 9 3/4  equation 3

subtract equation 1 from 3

2y = 6 5/12

y = 77/12 x 1/2 = 3 5/24

substitute for y in equation 1

x - 3 5/24 = 31/3

x = 3 1/3 + 3 5/24

x = 6 13/24

5 0
2 years ago
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zvonat [6]

More information is needed to answer you.

8 0
3 years ago
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P=−4b 2 +6b−9 <br> Q=7b 2 −2b−5<br> ​P−Q=<br> Your answer should be a polynomial in standard form.
shepuryov [24]

Answer:

−11b^2+8b−4

Step-by-step explanation:

−4b2+6b−9−7b2+2b+5

Simplify by adding terms.

11b2+8b−4

3 0
3 years ago
Raj is 3 inches taller than Howared. Let h represent Howards height. write an algebraic expression to represent Raj's height.
Nitella [24]
Answer:
Let's say Raj's height is 60 inches
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2 years ago
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Answer:

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Step-by-step explanation:

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Basically it's switching the signs

Hope that helped :)

3 0
3 years ago
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