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marusya05 [52]
3 years ago
11

I’m so confused on how to do it

Mathematics
1 answer:
Monica [59]3 years ago
8 0

Answer:

785.4

Step-by-step explanation:

The formula to find the surface area of a cylinder is

2* pi* radius* height + 2* pi* 2radius.

2( 3.14) (5) (20)= 628

2 (3.14* 5*5)= 157

628+ 157= 785.

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A safety regulation states that the height hh of a guardrail should be 106 centimeters with an absolute deviation of no more tha
AlexFokin [52]
Well 106 divided by 7 is 15 so 15 times 7 is 106
6 0
2 years ago
Six thousand,six hundred forty_one dollars and forty cent in standard form
iVinArrow [24]

The answer is: 6,641.40$

Explanation:

Six thousand= 6,000

Six hundred= 600

Forty one= 41

Forty cents: .40

Now add all of these together:

6,000

+  600

+      41

+          0.40

Which will give you 6,641.40$

I hope this helps! :)

-LizzyIsTheQueen


4 0
2 years ago
Two jets simultaneously started traveling in opposite directions from the same airport. Four hours later they were 3800 miles ap
Basile [38]

Step-by-step explanation:

the slower plane traveled x miles in 4 hours.

the faster plane traveled x + 4×80 = x + 320 miles in 4 hours.

so,

x + x + 320 = 3800 miles

2x =3480 miles

x =1740 miles (in 4 hours) .

that means the slower plane's speed was 435 mph.

and the faster plane's speed was 435 + 80 = 515 mph.

7 0
2 years ago
It is estimated that each guest at a party will eat 3/4 pounds of chocolate. How many guest can be served with 6 pounds of choco
Neporo4naja [7]

Answer:

4.25

Step-by-step explanation:

it is hard to explain but just multiply 3 and 6 to get a fraction. i put the answer in decimal form. hope this helped.

7 0
3 years ago
Solve the equation 3(x-4)=12x
sineoko [7]

Answer:

X= -4/3

Step-by-step explanation:

3 0
2 years ago
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