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3 years ago

A software company writes 1/10 of their code in 1/2 a month. How much can they do in one month

Mathematics

1 answer:

Hatshy [7]3 years ago

3 0

Step-by-step explanation:

they can do 2/10 in one month

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Stels [109]

0.06 I hope that helped

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3 years ago

Find the circum center of a triangle whose vertices are (-2, -1) , (-1, 6 ) and (2, 7).

lina2011 [118]

Answer:

(-1/3; 4)

Step-by-step explanation:

(-2, -1) , (-1, 6 ) and (2, 7).

x=(-2-1+2)/3= -1/3

y=(-1+6+7)/3=12/3=4

=> (-1/3; 4)

7 0

3 years ago

Suppose f(x) =x^2 and g (x) = 2x -3 what is the value of g (4)+f(-3)

Alona [7]

Answer:

Step-by-step explanation:

u just have to plug in the numbers

f(-3)= -3^2

f(-3)= 9

g(4)=2(4)-3

g(4)=5

9+5=14

I hope I'm right and hope I helped:)

6 0

3 years ago

Given the figure shown at the right ABC is a triangle, what would be the measure of the unknown exterior angle (labeled x in the

Andre45 [30]

Answer:

d. 112°

Step-by-step explanation:

m<A = 64° (given)

m<ABC = 180° - 132° (linear pair)

m<ABC = 48°

According to the exterior angle theorem of a triangle, the exterior angle of a ∆ is equal to the opposite interior angles of the ∆.

48° and 64° are interior angles of ∆ABC that are opposite to the exterior angle, x.

Therefore,

x = 48 + 64

x = 112°

4 0

2 years ago

A bag contains some number of marbles. It is known that 20 of them are red. When 15 marbles are drawn, without replacement, we g

Llana [10]

Answer:

The total number of marbles in the bag is 50.

Step-by-step explanation:

Here, we have n trials, without replacement. So the hypergeometric distribution is used.

The mean of the hypergeometric distribution is:

$E(X) = \frac{n*k}{N}$

In which n is the number of items in the sample, k is the number of items in the population that are classified a success and N is the size of the population.

15 marbles are drawn:

This means that $n = 15$

A bag contains some number of marbles. It is known that 20 of them are red.

This means that $k = 20$ , since a success is drawing a red marble.

Assuming E(X)=6 red, what is the total number of marbles in the bag?

We have to find N when $E(X) = 6$

$E(X) = \frac{n*k}{N}$

$6 = \frac{15*20}{N}$

$6N = 300$

$N = \frac{300}{6}$

$N = 50$

The total number of marbles in the bag is 50.

8 0

3 years ago