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3 years ago

What is the probability of spinning green?

Mathematics

1 answer:

professor190 [17]3 years ago

3 0

0.25 because there is 4 colours and obviously red is 0.75 percent and green and blue can’t be lower than 0.5 cuz that’s for yellow and there’s no 0%

(That makes no sense but it’s 0.25%)

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Write a quadratic equation with the given roots. Write the equation in the form of ax^2+bx+c=0 where a b and c are integers

Bas_tet [7]

You haven't provided the required roots, but I can tell you how to do this kind of exercises in general.

If the $x^2$ coefficient is 1, i.e. the equation is written like $x^2+bx+c=0$ , then you can say the following about the coefficients b and c:

$b$ is the opposite of the sum of the roots
$c$ is the multiplication of the roots.

So, for example, if we want an equation whose roots are 4 and -2, we have:

$4+(-2) = 4-2 = 2 \implies b = -2$
$4 \cdot (-2) = -8 \implies c = -8$

So, the equation is $x^2-2x-8=0$

If your roots are rational, you can work like this: suppose you want an equation with roots 3/4 and 1/2. You have:

$\dfrac{3}{4}+\dfrac{1}{2} = \dfrac{3}{4}+\dfrac{2}{4} = \dfrac{5}{4} \implies b = -\dfrac{5}{4}$
$\dfrac{3}{4} \cdot \dfrac{1}{2} = \dfrac{3}{8} \implies c = \dfrac{3}{8}$

And so the equation is

$x^2 - \dfrac{5}{4} + \dfrac{3}{8} = 0$

In order to have integer coefficients, you can multiply both sides of the equation by 8:

$8x^2 - 10 + 3 = 0$

5 0

3 years ago

ASAP PLS I HHAVE SCHOOL TOMORROW :((

tatyana61 [14]

Answer:

it divides by five

Step-by-step explanation:

500/5=100

100/5=20

20/5=4

4/5=0.8!

Brainliest pls

8 0

3 years ago

in a survey at a local university, 65% of students say that they get less than the recommended right hours of sleep per night. i

Arlecino [84]

.35(2100)= 735 students

7 0

3 years ago

Translate this sentence into an equation.<br> 45 is the sum of 19 and Victor's score

Alex17521 [72]

Answer:

Victors score= v

19 + v =45

5 0

3 years ago

if you deposit $500 at an interest rate of 3% for four years, how much will you receive when you withdraw it from the bank?

Ray Of Light [21]

1st year 500* 0.03 = 15+500=515
2nd year 515*0.03= 15.45 + 515 = 530.45
3rd year 530.45*0.03= 15.9135 + 530.45 = 546.3635
4th year 546.3635 * 0.03 = 16.390905 + 546.3635 = 562.754405
562.754405

8 0

3 years ago