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ICE Princess25 [194]
2 years ago
15

A bag contains 42 red, 45 green, 20 yellow, and 32 pirple candies. You pick one camdy at random. Find the probability that it is

green.

Mathematics
1 answer:
nirvana33 [79]2 years ago
7 0

Answer:

\text{P(green)} =\frac{45}{139}

Step-by-step explanation:

The total number of candies is :

= 42+45+20+32

= 139

Then

we have 45 green out of 139 candies.

Then

\text{P(green)} =\frac{45}{139}

Note : 45/139 is already simplified.

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Simplify this 13.) 13y² + 9y + 4y² - 31y
erastova [34]

Answer: 17y^2-22y

Step-by-step explanation:

13y^2+9y+4y^2-31y

\mathrm{Group\:like\:terms}

=13y^2+4y^2+9y-31y

\mathrm{Add\:similar\:elements:}\:13y^2+4y^2=17y^2

=17y^2+9y-31y

\mathrm{Add\:similar\:elements:}\:9y-31y=-22y

=17y^2-22y

3 0
3 years ago
Which question is a statistical question?
Gwar [14]

Answer:

C. How many movies do the students in my class watch in a month

Step-by-step explanation:

7 0
3 years ago
Simplify (-2x^4y^-3)^4
elixir [45]

Answer:

( - 2 {x}^{4} {y}^{ - 3} )^{4}  =  \frac{16 {x}^{16}}{ {y}^{12} }

Step-by-step explanation:

We want to simplify:

( - 2 {x}^{4} {y}^{ - 3} )^{4}

We need to apply the exponential property for products of powers.

Recall that:

( {a}^{m}  \times  {a}^{n} )^{p}  =  {a}^{mp}  \times  {a}^{np}

We apply this rule to get:

( - 2 {x}^{4} {y}^{ - 3} )^{4}  = ( { - 2)}^{4} x \times {x}^{16}  \times {y}^{ - 12}

This simplifies to:

( - 2 {x}^{4} {y}^{ - 3} )^{4}  = 16 {x}^{16}  \times {y}^{ - 12}

We rewrite as positive index to get:

( - 2 {x}^{4} {y}^{ - 3} )^{4}  =  \frac{16 {x}^{16}}{ {y}^{12} }

7 0
3 years ago
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katrin2010 [14]
To be a quadratic function the highest power or a variable must be 2, therefor
Final answer:
A. y = x2 - 50
Hope I helped :)
3 0
3 years ago
Read 2 more answers
I need help on this please
ziro4ka [17]

Answer:

See answers below

Step-by-step explanation:

From the given functions, the equivalent function for when x = 0 is -(x-1)²

h(x) = -(x-1)²

h(0) = -(0-1)²

h(0)= -(-1)²

h(0) = -1

when x = 2, the equivalent function is -1/2x - 1

h(x) =  -1/2x - 1

h(2) =  -1/2(2) - 1

h(2) = -1-1

h(2) = -2

when x = 5, the equivalent function is -1/2x - 1

h(x) =  -1/2x - 1

h(5) =  -1/2(5) - 1

h(5) = -5/2-1

h(5) = -7/2

3 0
3 years ago
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