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3 years ago

If you in k12 how many point does a test bring up your grade if u make 100

1 answer:

5 0

It depends on many different things. What grade you have on that class. what are your grades on other assignments. And how much of your grade the test is worth.

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Luis purchased a computer that was advertised as 2/5 off. The original price was $800. What is the amount that he paid?

juin [17]

Answer:

Step-by-step explanation:

<u>You divide $800 by 5 and get $160. Then multiply $160 by 2 and get $320. Then subtract $320 from $800 and get $480.</u>

3 0

3 years ago

What shape had no line of symmetry angle of rotational symmetry 180°

adelina 88 [10]

What are the choices???

8 0

3 years ago

Suppose that in a large metropolitan area, 84% of all households have cable tv. Suppose you are interested in selecting a group

Firdavs [7]

Answer:

0.05606

Step-by-step explanation:

This is a binomial probability distribution problem.

84% of all households have cable TV, thus;

p = 0.84

There are six households from this area, thus; n = 6

Formula for this binomial distribution is;

P(X) = C(n, x) × p^(x) × (1 - p)^(n - x)

We want to find the proportion of groups where at most three of the households have cable TV.

Thus, it's is;

P(X ≤ 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3)

P(X = 0) = C(6, 0) × 0.84^(0) × (1 - 0.84)^(6 - 0) = 0.00001678

P(X = 1) = C(6, 1) × 0.84^(1) × (1 - 0.84)^(6 - 1) = 0.000528

P(X = 2) = C(6, 2) × 0.84^(2) × (1 - 0.84)^(6 - 2) = 0.006963

P(X = 3) = C(6, 3) × 0.84^(3) × (1 - 0.84)^(6 - 3) = 0.04855

Thus;

P(X ≤ 3) = 0.00001678 + 0.000528 + 0.006963 + 0.04855 = 0.05606

5 0

3 years ago

The volume of a sphere is 904.32 mm^3. What is the approximate volume of a cone that has the same height and circular base with

kramer

Answer:

$V_c=452.16\ mm^3$

Step-by-step explanation:

Given that,

The volume of a sphere is 904.32 mm³.

The volume of a cone that has the same height and circular base with the same diameter is:

$V_c=\dfrac{1}{3}\pi r^2 \times 2r=\dfrac{2}{3}\pi r^3$

The volume of a sphere with the same radius is:

$V_s=\dfrac{4}{3}\pi r^3=2\times \dfrac{2}{3}\pi r^3$

So, the volume of sphere is :

$V_c=\dfrac{V_s}{2}\\\\V_c=\dfrac{904.32 }{2}\\\\V_c=452.16\ mm^3$

So, the volume of the cone is $452.16\ mm^3$ .

4 0

3 years ago

Marcia is traveling with her family in the car. If they traveled 240 miles in 4 hours, at what rate, or speed were they travelin

inessss [21]

Answer:

60 miles per hour

Step-by-step explanation:

240/4 = 60 miles per hour

3 0

3 years ago

Read 2 more answers