3 years ago

Given a circle with a radius of 7, which equation expresses π as the ratio of the circumference of a circle to its diameter?

2 answers:

6 0

Answer:the correct option is B

Step-by-step explanation:C= 2πr or πD and since r=7 then D= 14 (7+7) so from the equation C=πD , making π the subject of formulary π=C/D and D=14. Therefore π=C/14 (B)

Harman [31]3 years ago

5 0

Answer:

It is B

Hope it helps

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40% of __=10<br> ?????????????????????????????????????????????????????????

kramer

40% is equal to 0.4
10 / .4 = 25
40% of 25 is 10.

Hope this helps!

7 0

4 years ago

WRITE THE FOLLOWING EQUATION IN THE FORM OF Y=MZ (a) 3x+4y=7

Shalnov [3]

Answer:

$y = \frac{ - 3x}{4} + \frac{7}{4}$

Step-by-step explanation:

First transpose 3x

you are having 3x+4y=7

by transposing you will get

4y=-3x+7

divide by 4 throughout by making y subject of the formula you will find your equation as y=mx+c.

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3 years ago

Simplify ten to the sixth divided by ten to the negative third.

Andrews [41]

Exponential rules state that when you divide exponents, you subtract by the powers. The powers have the same coefficients, so you can divide the two numbers.

6 - (-3) = 9

The answer is $10^9$ .