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2 years ago

Need help how to get the answers for 1 and 2 please

Mathematics

1 answer:

Furkat [3]2 years ago

4 0

For question 1, you already have that answered which is correct! for question 2, your answer would be (-2, 3)!

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Find the area of a circle with a circumference of 16

OLga [1]

The formula is
$\frac{ c^{2} }{4 \pi }$

replace c with 16 and solve
$\frac{ 16^{2} }{4 \pi }$

your answer will be
A≈20.37

3 0

2 years ago

Help please?? I need it asap

Anuta_ua [19.1K]

Answer:

I believe that x angle is 45 degree angle

Step-by-step explanation:

7 0

2 years ago

An arc of length 8 in. is intersected by a central angle in a circle with a radius of 3 in. What is the measure of the angle? Ro

sergey [27]

Answer:

2.7 radians

have a nice day :)

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

The speed of the boat going with a current is 20 mph. When the boat goes against the current, the speed is 16 mph. Find the spee

adoni [48]

Answer:

The speed of the boat in still water is 18 mph.

The speed of the current is 2 mph

Step-by-step explanation:

Let x represent the speed of the boat in still water.

Let y represent the speed of the current.

When the boat goes against the current, the speed is 16 mph. Assuming it traveled against the current while going upstream, its total speed would be (x - y) mph. It means that

x - y = 16 (equation 1)

Going downstream, the boat averages 20 mph. Assuming it traveled with the current, its total speed would be (x + y) mph. It means that

x + y = 20 (equation 2)

Adding both equations, it becomes

2x = 36

x = 36/2

x = 18 mph

Substituting x = 18 into equation 1, it becomes

18 - y = 16

y = 18 - 16

y = 2 mph

4 0

2 years ago

A farmer has 520 feet of fencing to construct a rectangular pen up against the straight side of a barn, using the barn for one s

Setler [38]

Answer:

$310\text{ feet and }210\text{ feet}$

Step-by-step explanation:

GIVEN: A farmer has $520 \text{ feet}$ of fencing to construct a rectangular pen up against the straight side of a barn, using the barn for one side of the pen. The length of the barn is $310 \text{ feet}$ .