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3 years ago

Find the volume show work

Mathematics

1 answer:

guapka [62]3 years ago

6 0

10in x 13 in x 13 in = 1690 cm squarws

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Linear inequality question!

NARA [144]

Answer:

Step-by-step explanation:

Two of the four given equations have a y-intercept of (0, -4). Eliminate the remaining two. Next, notice that the shaded area is ON or BELOW the solid line. These characteristics correspond to

y ≤ (1/3)x - 4

5 0

4 years ago

Find the measures of the unknown angles in the triangle shown. Round it the nearest degree.

Fudgin [204]

Answer:

x = 49°

y = 41°

Step-by-step explanation:

Recall: SOH CAH TOA

✔️To find x, the trig function we would apply is Cos, which is:

Cos θ = Adjacent/Hypotenuse (CAH)

θ = x

Adjacent = 13

Hypotenuse = 20

$Cos(x) = \frac{13}{20}$

$x = cos^{-1}(\frac{13}{20})$

x = 49.4583981°

x = 49° (nearest degree)

✔️To find y, the trig function we would apply is Sin, which is:

Sin θ = Opposite/Hypotenuse (SOH)

θ = y

Opposite = 13

Hypotenuse = 20

$Sin(y) = \frac{13}{20}$

$y = Sin^{-1}(\frac{13}{20})$

y = 40.5416019°

y = 41° (nearest degree)

3 0

3 years ago

Solve each system by elimination. Check the solution in both of the original equations.

elena55 [62]

Answer:

After finding the solution of given equations by elimination method

-3x-3y=12

-9x+3y=-24

we get the value of x=1 and y= -5

Step-by-step explanation:

$-3x-3y=12$ is eq A

$-9x+3y= -24$ is eq B

To find out value of x and y we will use elimination method

To find value of x add eq A and eq B

$(-3x-3y)+ (-9x+3y)= 12 + (-24)\\-3x-3y-9x+3y= 12-24\\-12x = -12\\dividing \,\,by -12\,\,on\,\, both\,\,sides\\\frac{-12x}{-12} = \frac{-12}{-12} \\x= 1$

Now to find value of y put x=1 in eq A

$(-3 \times 1 )- 3 y=12\\-3 -3y =12\\\\adding\,\,3\,\,on\,\, both\,\,sides\\-3y=12+3\\\\dividing\,\,-3\,\,on\,\,both\,\,sides\\y= \frac{15}{-3} \\y= -5$

so the value of

x= 1

and

y= -5

For checking the solution

putting value of x and y in eq A

$-3x-3y=12\\-3(1)-3 (-5)=12\\-3+15=12\\12=12\\$

Hence proved

Putiing value of x and y in eq B

$-9x+3y= -24\\-9(1) + 3 (-5) = -24\\-9 -15 = -24\\-24= -24\\$

Hence proved

Keywords: Solving Linear System

Learn more about Solving Linear System at: brainly.com/question/9045597
brainly.com/question/3739260
brainly.com/question/13168205

#learnwithBrainly

6 0

4 years ago

Whats the value of x and what is the length of side UW

solmaris [256]

We will calculate this by using ratios and because these two triangles are similar, which is very important.

Explanation:

We see that the FG = 9 corresponds to the VU = 21. Therefore, FH = 18 corresponds to the UW = x.

9 : 21 = 18 : x

x = (21*18)/9

x = 378/9

x = 42.

The correct answer is B. 42.

5 0

3 years ago

Plot the ordered pair in a coordinate plan. label the points clearly

Elenna [48]

sorry but can u post a better picture i cant really help if the picture isn’t good

5 0

3 years ago