3 years ago

What is the circumference of a circle that has a radius of 17 cm

Mathematics

1 answer:

Effectus [21]3 years ago

6 0

Answer:

106.8

Step-by-step explanation:

17 * 2 = 34

34 * pi = 106.8

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You estimate that there are 45 marbles in a jar. The actual amount is 82 marbles. Find the percent error. Round to the nearest t

Nataly_w [17]

Answer:

45.1

Step-by-step explanation:

The original amount is 82

But the wrong amount is 45

So we will have to calculate the percentage for the error

82-45

So %error= 37/82 ×100

=3700/82

=45.121~45.1( to nearest tenth)

So the final answer is 45.1%

6 0

3 years ago

A theater has 28 rows of 38 seats downstairs and 14 rows of 26 seats upstairs.How many seats does the theater have?

Triss [41]

For downstairs- 28 x 38= 1064

For upstairs- 26 x 14= 364

All together- 1064 + 364= 1428

So.... 1428 seats in total.

Hope this helped! :)

3 0

2 years ago

A golden eagle flies a distance of 290 miles in 5 days.if the eagle flies the same distance each day of its journey, how far doe

salantis [7]

58 miles because 290/5=58

7 0

3 years ago

Almost done guys I have 5 more questions

erastova [34]

Answer:the third one

Step-by-step explanation:

just time how much months,weeks, and years, for each amount

8 0

3 years ago

Brainliest answer guaranteed <br> URGENT

UNO [17]

Answer:

$y=-6.6$ and $y=10.6$

Step-by-step explanation:

The given ellipse has equation:

$\frac{(y-2)^2}{64}+\frac{x^2}{9}=1$ .

The center of this ellipse is (h,k)=(0,2)

We use the equation: $a^2-b^2=c^2$ to determine the foci.

$\implies 64-9=c^2$

$\implies 55=c^2$

$\implies c=\pm \sqrt{55}$

The directrices are given by $y=k\pm\frac{a^2}{c}$

$y=2\pm\frac{64}{\sqrt{55}}$

$y=2\pm8.6$

$y=2-8.6$ and $y=2+8.6$

The equation of the directrices are:

$y=-6.6$ and $y=10.6$

The correct answer is D

7 0

3 years ago