All categories

3 years ago

NEED HELP FAST!!!

Mathematics

1 answer:

faust18 [17]3 years ago

6 0

In order to solve the formula

$C=\pi d$

in terms of d, you simply have to divide both sides by pi:

$d=\dfrac{C}{\pi}$

The total height of the earring is the sum of the diameters of the circles. Given their circumferences, the diameters are

$d_1=\dfrac{6}{\pi},\quad d_2=\dfrac{8}{\pi}$

So, the total height is

$h=d_1+d_2=\dfrac{6}{\pi}+\dfrac{8}{\pi}=\dfrac{14}{\pi}$

You might be interested in

◆ Quadratic Equations ◆<br>Please help !

Mila [183]

I'm sure there's an easier way of solving it than the way I did, but I'm not sure what it could be. Never dealt with a problem like this before.

Anyway, I just plugged in and tested. Chose random values for a, b, c, and d, which follow the rule 0 < a < b < c < d:

a = 1
b = 2
c = 3
d = 4

$\sf ax^2+(1-a(b+c))x+abc-d)$

$\sf 1x^2+(1-1(2+3))x+(1)(2)(3)-(4))$

Simplify into standard form:

$\sf x^2+(1-1(5))x+6-4$

$\sf x^2+(1-5)x+2$

$\sf x^2-4x+2$

Use the quadratic formula to solve:

$\sf x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

For functions in the form of $\sf ax^2+bx+c$ . So in this case:

a = 1
b = -4
c = 2

Plug them in:

$\sf x=\dfrac{4\pm\sqrt{(-4)^2-4(1)(2)}}{2(1)}$

Solve for 'x':

$\sf x=\dfrac{4\pm\sqrt{16-8}}{2}$

$\sf x=\dfrac{4\pm\sqrt{8}}{2}$

$\sf x\approx\dfrac{4\pm 2.83}{2}$

$\sf x\approx 0.59,3.41$

So the answer would be A.

3 0

3 years ago

Michael buys a ball for 5.50 and a flashlight for 3.65. If he has 10.00 how much change we’ll he receive

Sveta_85 [38]

Answer:

.85 cents

Step-by-step explanation:

3 0

3 years ago

Mr. Clark claims that he has a coin that is weighted so that the probability of heads is 40%. To test this, his students flip th

Brrunno [24]

While I'm unsure what the word choices were, his claim is likely to be true.

Since he claims the probability of heads is 40%, that should be what we see in an experiment. 0.38 is very close to 0.40, or 40%, so this is true. Therefore his claim is likely to be true, and the probability of tails should be about 60%.

5 0

3 years ago

F(x)= x +4<br> g(x) = 3x<br> Work out the value of gf (5).

MrMuchimi

The value of gf(5) for the given two expressions is 135.

According to the question,

We have the following information:

f(x)= x +4

g(x) = 3x

Now, in order to find the value of gf(5), we will first find the value of gf.

Now, we will multiply these two expressions:

3x(x+4)

Now, the terms outside the brackets need to multiplied inside the bracket:

$3x^{2} +12x$

Now, we will put the value of x in this expression as 5 and solve the expression further by multiplication and addition:

3*5*5+12*5

75+60

135

Hence, the value of gf(5) for the given two expressions of f(x) and g(x) is 135.

To know more about value here

brainly.com/question/20562282

#SPJ1

8 0

11 months ago

Brainliest!!

AlladinOne [14]

Answer:

Step-by-step explanation:

BC supplementary means they add up to 180 and answer d adds up to 180

6 0

2 years ago