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kykrilka [37]
2 years ago
11

Select the best answer for the question.

Mathematics
2 answers:
nadezda [96]2 years ago
7 0

Answer:

A

Step-by-step explanation:

because I said so.

Anvisha [2.4K]2 years ago
5 0

Answer:

the correct answer is option A

Step-by-step explanation:

(9-2)(-2)

(7)(-2)

=-14

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Make X the subject of the formula<br><br><br>will mark brainliest!!​
irga5000 [103]

Answer:

y =  \frac{x + 2}{x - 4}  \\ xy - 4y = x + 2 \\ xy - x = 4y + 2 \\ x(y - 1) = 4y + 2 \\ x =  \frac{4y + 2}{y - 1}  \\  \boxed{x =  \frac{2(2y + 1)}{y - 1} }

hope this helps.

3 0
2 years ago
Solve pls brainliest
Shtirlitz [24]

Answer:

1.8 or 1 4/5 should be the answer!

8 0
2 years ago
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I will give brainleist again if you help me on this question and thanks for helping
algol [13]

Answer:

36 for area, 66 for surface area.

Step-by-step explanation:

I am not sure what it is asking, but if this is what you were asking for here it is. Surface area is harder to explain, but volume is multiply all dimensions.

Hope this is what it was asking!

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3 years ago
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A residential property is assessed for tax purposes at ​40% of its market value. The residential property tax rate is 3 1/2​% of
Leokris [45]

Answer:

9

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8 0
3 years ago
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Please help asap find f -1
ExtremeBDS [4]
I.
Given a function f with domain D and range R, and the inverse function 
f ^{-1},

then the domain of f ^{-1} is the range of f, and the range of f ^{-1} is the domain of f.

II. We are given the function f(x)= \sqrt{x-5},

the domain of f, is the set of all x for which \sqrt{x-5} makes sense, so x is any x for which x-5\geq0, that is x≥5.

the range is the set of all values that f can take. Since f is a radical function, it never produces negative values, in fact in can produce any value ≥0

Thus the Domain of f is [5, ∞) and the Range is [0, ∞)
then , the Domain of f ^{-1} is [0, ∞) and the Range of f ^{-1} is [5, ∞) 

III.
Consider f(x)= \sqrt{x-5}

to find the inverse function f^{-1}, 

1. write f(x) as y:

y= \sqrt{x-5}

2. write x in terms of y:

y= \sqrt{x-5}

take the square of both sides

y^{2} =x-5

add 5 to both sides

y^{2} +5=x

x=y^{2} +5

3. substitute y with x, and x with f^{-1}(x):

f^{-1}(x)=x^{2} +5


These steps can be applied any time we want to find the inverse function.

IV. Answer: 

f^{-1}(x)=x^{2} +5, x≥0

y≥0, where y are all the values that f^{-1} can take

Remark: the closest choice is B

8 0
2 years ago
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