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4 years ago

Evaluate 0.53n when n=3 and when n=-3

1 answer:

6 0

What you have to do here, is replace n with 3 and multiply 0.53(3) and you will get your first answer. Do the same thing with -3: multiply 0.53(-3) and you will have your second answer. If you do this, I do believe your question will be answered.

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Find the missing base (b1) of the trapezoid. Dimensions are in CM.

Alenkinab [10]

Answer:

b1 = 9 cm

Step-by-step explanation:

The formula for area of a trapezoid is

A = 1/2 (b1+b2) *h

We know Area = 135 CM ^2, Height = 10 CM, b2 = 18 cm

Substituting these in

135 = 1/2 (b1+18) *10

Multiply 1/2*10

135 = 5 (b1+18)

Divide both side by 5

135/5 = 5/5 (b1+18)

27 = b1+18

Subtract 18 from each side

27-18 = b1+18-18

9 = b1

5 0

3 years ago

Please helppppp

maksim [4K]

The answer for this equation is q=5

6 0

3 years ago

Which equation is the inverse of f(x)=LaTeX: \frac{1}{x+2}1 x + 2 A. LaTeX: f^{-1}\left(x\right)=\frac{1}{x}+2f − 1 ( x ) = 1 x

inna [77]

Answer:

$g^{-1}x = \frac{1-2x}{x}$

Step-by-step explanation:

Given the function $g(x)= \frac{1}{x+2}$ , we are to find the inverse of the function and this can be done y following the simple steps:

Step 1: Replace y with $g(x)$

$g(x)= \frac{1}{x+2}\\y= \frac{1}{x+2}$

Step 2: Interchange x with y

$x= \frac{1}{y+2}$

Step 3: Make y the subject of the formula;

$x= \frac{1}{y+2}\\y+2 = \frac{1}{x}\\y = \frac{1}{x} - 2\\Find \ the\ LCM\\y = \frac{1-2x}{x}$

Step 4: Replace y as $g^{-1}(x)$

$g^{-1}x = \frac{1-2x}{x}$

Hence the inverse of the function is $g^{-1}x = \frac{1-2x}{x}$

3 0

3 years ago

Y=(x+9)÷(x-3) Find the value of y when x=5

torisob [31]

Answer:

Step-by-step explanation:

Simply plug in 5 for x

y = (5 + 9)/(5 - 3)

y = 14/2

y = 7

7 0

4 years ago

Read 2 more answers

Find the volume of the cylinder A-16990 B-8491 C-4247 D-2369

defon

Answer:

V = 8491 mm^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h

We know the radius is 13 and the height is 16

V = pi * (13)^2 *16

V = 169*16 *pi

V =2704 *pi

Let pi be approximated by 3.14

V =2704(3.14)

V =8490.56

To the nearest whole number

V = 8491 mm^3

4 0

3 years ago