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3 years ago

May I please have help from anyone thank you so much !

Mathematics

1 answer:

Vanyuwa [196]3 years ago

8 0

You’re solving for the volume of the cylinder. so the way you would do this is the area of the base of the cylinder (pi times radius squared) which in this case would be 3.14 x 10^2 which is 314. you would then multiply by h, the height, which here is 10. 314 x 10 is 3140.

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Please help on these!

Tomtit [17]

1.
$A=\dfrac{14\cdot5}{2}=\dfrac{70}{2}=35$

2. Look at the picture.

$A_I=8\cdot13=104\ in^2\\\\h=19-13=6\ in\\\\A_{II}=\dfrac{8\cdot6}{2}=\dfrac{48}{2}=24\ in^2\\\\A=104+24=128\ in^2$

7 0

3 years ago

Read 2 more answers

The Science Club went on a two-day field trip. The first day the members paid $30 for transportation plus $18 per ticket to the

vfiekz [6]

C = n(30 +18 +85 +15)
This simplifies to
c = 148n

6 0

3 years ago

Read 2 more answers

Please give me the answers or at least explain how I’m supposed to do it

mr_godi [17]

when solving sales tax it's pretty simple because all you do is add everything for a subtotal and multiply your sub total by the tax so i'll use the first as an example your subtotal is 19.96 x0.05 to get 0.99 <-- your sales tax and your final total with tax to be 20.96

3 0

2 years ago

(BRIANLEIST) HELP<br> True or False

viktelen [127]

Answer:

True

Step-by-step explanation:

5 0

3 years ago

The perimeter of a rectangle is 50 centimeters. If the width of the rectangle is 9 centimeters

nordsb [41]

Answer:

Length = 17 cm

Width = 8 cm

Step-by-step explanation:

Let the length be x cm

Therefore, Width = (x - 9) cm

Perimeter of rectangle = 2(l +w)

50 = 2[x + (x - 9)]

50/2 = 2x - 9

25 = 2x - 9

25+ 9 = 2x

2x = 34

x = 34/2

x = 17 cm

x - 9 = 17 - 9 = 8 cm

Therefore,

Length = 17 cm

Width = 8 cm

Thus, the dimensions of the rectangle are 17 cm and 8 cm.

6 0

2 years ago