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3 years ago

5

Three weeks ago John ball stock at 49 1/4 today the stock is valued at 49 7/8 where could say the stark is performing at which o

f the following

1 answer:

mihalych1998 [28]3 years ago

7 0

The correct answer would be Above Par. Good luck! :)

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Your math teacher tells you that the next test is worth 100 points and contains 38 problems. Multiple-choice questions are worth

rusak2 [61]

If we assume that
x isthe number of multiple choice questions, and y is the number of word problems, we can write a system of equations like:
{ x + y = 38
{ 2x + 5y = 100

If we multiply the first equation by -2 we get:
{ -2x-2y = -76
{ 2x + 5y = 100

Now if we add both equations we get only equation with 1 unknown (y) :

3y = 24 ⇒ y = 8

Substituting the calculated value to the first equation we get:

x + 8 = 38 ⇒ x = 30

The solution:
{ x = 30
{ y = 8

means that:
The test had 30 multiple choice questions, and 8 word problems.

4 0

3 years ago

4.A store pays $85 for a table. The markup is 90%. What is the selling price?

allochka39001 [22]

Answer:

$161.50

Step-by-step explanation:

the revenue for an item of $85 with a 90% markup is $161.50

3 0

3 years ago

at a store, the probability that a customer buys socks is 0.15. the probability that a customer buys socks given that the custom

leva [86]

Answer: Option B

Step-by-step explanation:

First we assign a name to the events:

Event S: a customer buys socks

Event H: a customer buys shoes.

We know that :

$P (S) = 0.15$

We also know that the probability of S given that H occurs is:

$P(S|H) =\frac{P(S\ and\ H)}{P(H)}=0.20$

If two events S and H are independent then:

$P (S) * P (H) = P (S\ and\ H)$

This mean that if two events S and H are independent then:

$P(S|H) =\frac{P(S)*P(H))}{P(H)}$

$P(S|H) =P(S)$

We know that:

$P(S|H) =0.20$ and $P (S) = 0.15$

$0.20\neq 0.15$

This means that S and H events are dependent.

The answer is the option B

3 0

3 years ago

I need help ASAP for my homework

bogdanovich [222]

Answer:

slope of line ax + by = c is -a/b

so, slope of 7x +2y =5 is -7/2

3 0

3 years ago

Read 2 more answers

Which is true of the infinite solutions of the inequality x < 0

k0ka [10]

Answer:

The solutions will contain an infinite amount of negative numbers.

5 0

4 years ago