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Lena [83]
3 years ago
12

If r is the radius of a circle and d is its diameter which of the following is an equivalent formula for the circumference c = 2

pie r
a C = pie d2
b C = pie rd
c C = pie d
d C = 2 pie d
Mathematics
2 answers:
Ratling [72]3 years ago
8 0

Answer:

C

Step-by-step explanation:

C=2pier or pied

babymother [125]3 years ago
5 0

Answer:

a. C = 2πr

c. C= πd

both are correct

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The temperature on a particular day started at –13°F. It rose steadily by 3° each hour. The function y = –13 + 3x models the tem
alex41 [277]
The function you're given is in point-slope format, which is one of the easiest ones to graph. The basic form of the format is;

y=ax+b

Where a is the slope and b is the y-intercept.

As you can see, in y=-13+3x, the positions of a and b are switched, but it is essentially the same question.

From here we can tell that the y-intercept is -13, meaning that there is a point on the line that rests at (0,-13)

To find the other points, we can do rise-over-run using the slope of 3 given to us. What happens here is that for every 1 unit you go to the right (positive), you rise 3 units up.

For example, if we perform this on the y-intercept (0,-13):

(0+1, -13+3)
(1,-10)

With these two points, you can graph the line representing the temperature. 
6 0
4 years ago
X²-x3+ y²x The polynomial has degree and is a 1 2 3 5 6 7. 8 trinomial binomial​
Evgen [1.6K]

Answer:

  • Degree 3,
  • Trinomial

Step-by-step explanation:

Given

Polynomial x²-x³+ y²x

It has 3 terms, therefore is trinomial

<u>Its degree:</u>

  • x² = degree 2
  • x³ = degree 3
  • y²x = degree 2+1 = 3

Its degree is 3 as the greatest degree of its terms

6 0
3 years ago
The number of subscribers y to a magazine after t years is shown by the equation below: y = 95(0.75)t Which conclusion is correc
kupik [55]
It decreased by 25% every year.
if you multiply a number by a decimal you will get a smaller number than you originally had. for example, if you multiply 95 by .75 you will get 71.25 it is decreasing but only 25%
4 0
3 years ago
Read 2 more answers
Solve for x: 6x + 1/4 (4x + 3) &gt; 12<br> Ox&gt;<br> 10<br> 7<br> Ox&gt; 2<br> ox= 10<br> X = 2
daser333 [38]

Given:

The inequality is:

6x+\dfrac{1}{4}(4x+3)>12

To find:

The values for x.

Solution:

We have,

6x+\dfrac{1}{4}(4x+3)>12

Using distributive property, we get

6x+\dfrac{1}{4}(4x)+\dfrac{1}{4}(3)>12

6x+x+\dfrac{3}{4}>12

7x>12-\dfrac{3}{4}

7x>\dfrac{48-3}{4}

On further simplification, we get

7x>\dfrac{45}{4}

Divide both sides by 7.

x>\dfrac{45}{7\times 4}

x>\dfrac{45}{28}

Therefore, the required solution is x>\dfrac{45}{28}.

Note: All options are incorrect.

7 0
3 years ago
If i walk 2 block in 15 minutes what will my speed be?
Art [367]

Answer:

Your answer would be 6mph.

Step-by-step explanation:

Calculate your running or walking speed, distance, or time with Verywell's ... You may also need to know your pace when registering for an event or race such as a ... A pace may not be a round number of minutes, in which case you will need to ... Running 6 miles in 1 hour: 6 / 1 = 6 miles per hour (mph);

(Got it from google)

3 0
3 years ago
Read 2 more answers
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