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2 years ago

I need help with these pages please answer them all correctly this is not a freebie don't put random words or letters thanks.

Mathematics

1 answer:

Anna007 [38]2 years ago

7 0

Answer:

the question is: why should ppl answer your questions correctly and help you when you dont answer thier questions and help them when they need it? why help some one who wont help you?

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Ivan has a summer babysitting job that pays $15 per hour. He wants to know how many hours he has to babysit to afford a new bike

exis [7]

Answer: 20 hours

Step-by-step explanation:

Equation: 15x = 300

Isolate the variable.

Divide both sides by 15: ¹⁵ˣ⁄₁₅ = ³⁰⁰⁄₁₅

x = 20

Ivan needs to work 20 hours in order to afford the bicycle.

8 0

3 years ago

PLEASE HELP ME ASAP WITH THE CORRECT ANSWER!!!!!!!!!!

mixer [17]

Answer:

X > 91.

Step-by-step explanation:

The > has a line under hopes this helps!!

5 0

3 years ago

In a jar, there is a green, a blue, and a red marble. You draw (with replacement) a marble from the jar until you get the green

denpristay [2]

Answer:

The value is $P( X = m ) = (\frac{2}{3} )^{m-1 } * \frac{1}{3}$

Step-by-step explanation:

From question we are told that

The number of types of marbles present jar is n = 3

Generally the probability of drawing a green marble is

$P(g) = \frac{1}{3}$

Generally the probability of drawing a marble that is not green is

$P(g') = 1 - \frac{1}{3} = \frac{2}{3}$

From the question we are told that there will be continuous drawing of marbles from the jar (in such a way that after each marble is drawn it is being replaced) until a green marble drawn

Let m be the number of times marbles has been drawn when a green marble was gotten

it then means that for m - 1 times the marbles where drawn a green marble was not obtain.

Generally the probability drawing m times is mathematically is mathematically represented as

$P( X = m ) = (P(g'))^{m-1 } * P(g)$

=> $P( X = m ) = (\frac{2}{3} )^{m-1 } * \frac{1}{3}$

7 0

3 years ago

Help me out asap pls! <br> For 20 points..

Sunny_sXe [5.5K]

The answer is b. 9pi because 3^2xpi=9pi.

7 0

2 years ago

The midsegment of a trapezoid is 11 cm in length. If one of the trapezoid's bases is 17 cm long, what is the length of the other

vagabundo [1.1K]

Answer:

x must be 5

Step-by-step explanation:

Recall that the area formula for a trapezoid is

A = (average of base lengths)(width)

Here we have

17 cm + x

(average of base lengths) = 11 cm = ----------------

So 2(11 cm) = 17 cm + x, or

22 cm = 17 cm + x

Then x must be 5.

7 0

3 years ago