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Norma-Jean [14]
3 years ago
11

Pls just answer number 19 I will mark brainliest

Mathematics
1 answer:
bonufazy [111]3 years ago
7 0
2 feet 7 inches.

5 feet - 2 feet is 3 feet
3 inches - 8 inches is - 5 inches.

just take the 5 inches from 3 feet to get 2 feet 7 inches.
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Be sure to show your work and solve for k :<br> ( 264 + 3 x 7 ) divided by 3= k
Paul [167]

Hi there!

\large\boxed{k = 95}

Use PEMDAS:

Evaluate inside of parenthesis:

(264 + 3 × 7)

Multiply:

(264 + 21)

Add:

285

Divide by 3:

285 ÷ 3 = 95

5 0
3 years ago
Read 2 more answers
A triangle with vertices A(0,0), B(6,0), and C(0,9) is rotated 360 about the y-axis. What is the volume of the figure?
Luden [163]

Given:

A triangle with vertices A(0,0), B(6,0), and C(0,9) is rotated 360 about the y-axis.

To find:

The volume of the figure.

Solution:

Points A(0,0) and C(0,9) lies on the y-axis. Length of AC is 9 units.

Points A(0,0) and B(6,0) lies on the x-axis. Length of AB is 6 units.

If a triangle with vertices A(0,0), B(6,0), and C(0,9) is rotated 360 about the y-axis, then it will form a cone with radius 6 units and height 9 units.

Volume of a cone is

V=\dfrac{1}{3}\pi r^2h

where, r is radius of the base and h is vertical height of the cone.

Putting r=6 and h=9, we get

V=\dfrac{1}{3}\pi (6)^2(9)

V=\pi (36)(3)

V=108\pi

Therefore, the volume of the figure is 108\pi sq. units.

7 0
3 years ago
• What is the solution to 5x+ 20 = 7(x+2)?
o-na [289]

For this case we must find the solution of the following equation:

5x + 20 = 7 (x + 2)

Applying distributive property on the right side of the equation we have:

5x + 20 = 7x + 14

Subtracting 7x from both sides of the equation:

5x-7x + 20 = 14\\-2x + 20 = 14

Subtracting 20 from both sides of the equation:

-2x = 14-20

Different signs are subtracted and the major sign is placed.

-2x = -6

Dividing between -2 on both sides of the equation:

x = \frac {-6} {- 2}\\x = 3

Thus, the solution of the equation isx = 3

Answer:

x = 3

6 0
3 years ago
−7(−2x+6)<br><br><br> Select one:<br><br> −9x−42<br><br> 14x+6<br><br> 14x−42<br><br> −14x−42
saveliy_v [14]

Answer:

14x-2 is answer

Step-by-step explanation:

may be this is helpful!

5 0
3 years ago
Read 2 more answers
Ratio of 15 days over 3 jobs
Ann [662]
You need to divide the two numbers. 15/3 = 5

For every 5 days you do 1 job

5:1
7 0
3 years ago
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