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4 years ago

Find the surface area of the composite solid.

Mathematics

1 answer:

DENIUS [597]4 years ago

6 0

I think the correct answer is 612

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What is the simplified form of this expression? (8x − 7) + (-2x − 9) − (4x − 3)

Murljashka [212]

Answer:

The answer to your question is: 2x -13

Step-by-step explanation:

Simplified (8x − 7) + (-2x − 9) − (4x − 3)

8x - 7 - 2x - 9 - 4x + 3

Simplified like terms 8x - 2x - 4x - 7 - 9 + 3

2x -13

4 0

3 years ago

Read 2 more answers

PLEASE HELP ME!! Find the measure of angle A: Find the measure of angle B:

g100num [7]

Answer:

Measure of angle A is 65 degrees and measure of angle B is 37 degrees.

Step-by-step explanation: First add all of the degrees of excluding x (4+(-9)) which is -5. Then subtract that from 180 since that is the sum of all the angles in a triangle which gives you 185. Then divide it by the number of "x's" that there are which is 5 which gives you 37. So angle B is x which is 37 degrees and angle a is 2(37)-9 which is 65 degrees. Hope this helps.

3 0

3 years ago

Please show me how to solve the initial value problem y'=tanx y(pi/4)=3

AlexFokin [52]

The ODE is separable, i.e. you can write

$\dfrac{\mathrm dy}{\mathrm dx}=\tan x\iff\mathrm dy=\tan x\,\mathrm dx$

Integrating both sides gives the general solution.

$\displaystyle\int\mathrm dy=\int\tan x\,\mathrm dx$
$y=-\ln|\cos x|+C$

Given that $y\left(\dfrac\pi4\right)=3$ , we have

$3=-\ln\left|\cos\dfrac\pi4\right|+C$
$3=-\ln\dfrac1{\sqrt2}+C$
$3-\ln\sqrt2=C$

and so the particular solution to the IVP is

$y=-\ln|\cos x|+3-\ln\sqrt2$
$y=3-\ln|\sqrt2\cos x|$

4 0

3 years ago

What is the value of the expression 6( -5 1/4 ?

Norma-Jean [14]

Answer:

-63/2

Step-by-step explanation:

6( -5 1/4)

= 6(-21/4)

= -63/2

6 0

3 years ago

How do I solve this problem

zepelin [54]

Do 5x12x5x9 and the answer is 2700

7 0

3 years ago