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3 years ago

Jane will roll a number cube 30 times.How may times would Jane expect to roll a number larger that 4?

Mathematics

1 answer:

Alex787 [66]3 years ago

6 0

Answer: 5

Step-by-step explanation:

= P(roll 4) = 1/6

= Expected # of 4 in 30 rolls = (1/6)*30 = 5

Therefor, the answer is 5

~ Hopefully this helps:) Mark me the brainliest:)!!

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Use the formula to evaluate the senes 6 + 2 +2/3+2/9....

Kazeer [188]

Answer:

Step-by-step explanation:

a=6

r=2/6=1/3<1

$S_{\infty}=a/(1-r)=6/(1/3)=6*3=18$

6 0

3 years ago

Use the work shown below to write the equation for a line that passes through the points (−5, 0) and (−1, −8).

Dennis_Churaev [7]

Answer:

M = -2

b = -10

Step-by-step explanation:

First we need to find the slope

m = (y2-y1)/(x2-x1)

m = (-8 -0)/(-1- -5)

= (-8-0)/(-1+5)

= -8/4

= -2

We now want to find the y intercept

y = mx+b is the slope intercept form of the equation

y = -2x+b

Using the point (-5,0)

0 = -2(-5) +b

0 = 10+b

Subtract 10 from each side

-10 = 10-10+b

-10 =b

The y intercept is -10

y= -2x-10

7 0

3 years ago

Read 2 more answers

What is the area of the trapezoid?

ratelena [41]

Answer:

29.5 inches squared

Step-by-step explanation:

The formula for the area of a trapezoid is $\frac{base1 + base2 * height}{2}$ ,

so base1 = 14 inches and base2 = 30 inches

since there is a right angle, you know that the height must equal the length of the left side, so the height = 15 inches

then, 14+30+15=59 and 59/2=29.5

therefore, your answer would be 29.5 inches squared

7 0

3 years ago

The function h ( x ) = 1 x − 1 h ( x ) = 1 x - 1 can be expressed in the form f ( g ( x ) ) f ( g ( x ) ) , where g ( x ) = ( x

Radda [10]

Answer: f(x) = 1^(x + 1)

Step-by-step explanation:

we have that h(x) = 1^x

and h(x) = f(g(x))

This mean that we are evaluating the function f(y) in the point y = g(x)

where g(x) = x - 1

then:

f(g(x) = f(x - 1) = h(x) = 1^x

then we should have that:

f(x) = 1^(x + 1)

then:

f(x - 1) = 1^(x - 1 + 1) = 1^x

4 0

4 years ago

Eric invests $190 in a savings account earning 12% interest compounded monthly (12 times per year). What will the account balanc

kupik [55]

Answer:

......

Step-by-step explanation:

4 0

3 years ago