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labwork [276]
2 years ago
11

Which equation can be used to show the relationship between the circumference C and a diameter D of a circle

Mathematics
1 answer:
Firlakuza [10]2 years ago
3 0
The diameter is the distance from one side of a circle to the other, if you cross through the center. The circumference is the distance around the circle. The circumference is equal to two time pi time the radius (C=2*pi*r)
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If a sample mean is 32, which of the following is most likely the range of
Mekhanik [1.2K]

Answer:

Step-by-step explanation:

It is D, I did this quiz once

8 0
2 years ago
A triangle has an area of 36 square feet. If the height of the triangle is 6 more feet than its base, what is its height and bas
andriy [413]
If b is the base then the height h=b+6. As we have S=bh/2 then
36=b(b+6)/2;
b²+6b-72=0;
D/4=3²+72=81
b₁=-3-9=-12
b₂=-3+9=6.
The base is always positive so b=6, h=6+6=12.
Answer: base=6 ft, height=12 ft.

7 0
3 years ago
Which expressions is equivalent ?
agasfer [191]
<h3>3 Answers: Choice C, Choice D, Choice F</h3>

What these expressions have in common is that their exponents multiply to 16

  • (-4)*(-4) = 16 for choice C
  • (-2)*(-8) = 16 for choice D
  • 8*2 = 16 for choice F

The rule used here is (a^b)^c = a^(b*c). We multiply the exponents and keep the base the same.

7 0
3 years ago
I Really Don't Get Ratio, Can I Have Some Help?
lutik1710 [3]
Example:
If I give u a ratio of the number of teachers to students is 2:1 would mean that for every 2 teachers there is 1 student.

In question 10(a) the ratio of grey to black is 3:1 which means that the percentage would be 33%

In 10 (B) the ratio would be 6:4
3 0
3 years ago
Which expression is equivalent to (p^10r^−5)^1/5 ?
meriva

Answer:

p^2/r

Step-by-step explanation:

An equivalent expression is the expression in simplest form. Here apply exponent rules by multiplying the exponents of each term by 1/5.

(p^{10}r^{-5})^{\frac{1}{5}}\\\\(p^{\frac{10}{5}}r^{\frac{-5}{5}})\\\\p^2r^{-1}\\\\\frac{p^2}{r}

3 0
3 years ago
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