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3 years ago

14

Area question..........

1 answer:

OverLord2011 [107]3 years ago

4 0

Well in area you multiply and perimeter you add, so right now you are multiplying the measures of the triangle, So you can either write out the problem and solve it or use a calculator to get you answer, but I would say to solve it because you never if the calculator could be wrong, so if you wanna write it out then you write 9 then put the 14 under it and put the 5 under 14 but under the 4 of 14, so basically you are just going to multiply 9 by 14 to get 126 then multiply 126 by 5 to get 630, so now 630 is your final answer

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What is the inverse of the function below? f (x) = 3x A. B. C. D.

Tcecarenko [31]

Answer:

Inverse function: $f^{-1}(x)=\frac{x}{3}$

Step-by-step explanation:

The inverse of a functon $y=f(x)$ is the function $g$ such that $g(y)=x$ .

In this problem, the function that we have to reverse is

$y=f(x)=3x$

In order to reverse the function, we do it in this way:

1) First, we isolate x and we write it as a function of y. Therefore:

$x=\frac{y}{3}$

2) Then, we exchange the names of the variables, so:

$y=\frac{x}{3}$

Therefore, the inverse function is

$f^{-1}(x)=\frac{x}{3}$

5 0

2 years ago

Consider the equation 9 – x = 5. a. Solve the equation by first adding x to both sides. b. Solve the equation by first subtracti

WITCHER [35]

Answer:

a.x=4

b.x=4

c.(b)

Step-by-step explanation:

We are given that

$9-x=5$

a. First we adding x on both sides we get

$9-x+x=5+x$

$9=5+x$

Now, subtract 5 on both sides we get

$9-5=x$

$x=4$

b.

We are subtracting 9 from both sides we get

$9-9-x=5-9$

$-x=-4$

$x=4$

We can solve equation both approach a and b

But I prefer (b) because in approach (b)

There are only 3 step in which we can get answer but in approach (a) we can get answer in 4 steps .

Hence, I prefer approach (b)

3 0

2 years ago

. If the radius is doubled and the height is halved what is the ratio of the new volume to the original volume

photoshop1234 [79]

Answer: Ratio of new volume to original volume is 2:1.

Step-by-step explanation:

Let the radius of cylinder be 'r'

Let the height of cylinder be 'h'

Original volume of cylinder will be

$V=\pi r^2h$

If radius get doubled,

New radius be '2r'

If height get halved,

New height be will be

$\frac{h}{2}$

so, Volume of cylinder becomes

$Volume=\pi (2r)^2\times \frac{h}{2}=\pi \times 4r^2\times \frac{h}{2}\\\\Volume=2\pi r^2h$

Ratio of new volume to the original volume is given by

$2\pi r^2h:\pi r^2h\\\\2:1$

Hence, Ratio of new volume to original volume is 2:1.

8 0

3 years ago

PLEASE ANSWER + BRAINLIEST!!

Gelneren [198K]

5x = x^2 + 4
x^2 - 5x + 4 = 0
(x - 4)(x - 1) = 0

x = 4, 1

(x + 6)^2 = 100
x + 6 = +/1 sqrt100
x + 6 = +/- 10

x = 4, -16

6 0

3 years ago

Read 2 more answers

4−3(x−5)>6x−17 Given

Alex777 [14]

Answer:

Answer

Step-by-step explanation:

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2 years ago