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Trava [24]
3 years ago
10

The coordinates below represent two linear equations. How many solutions does this system of equations have? Line 1 x y –1 6 0 4

Line 2 x y 0 7 1 5 A. 0 B. exactly 1 C. exactly 2 D. infinitely many
Mathematics
1 answer:
iren2701 [21]3 years ago
8 0

I think you need to retype this one. The formatting makes this question difficult to understand.

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Kate's swim coach informs her that she only has 35% of her workout left. Kate has swum 26 laps so far.
pentagon [3]
Kate needs to swim 40 laps to come complete 66 laps
7 0
3 years ago
a six sided die is rolled 4 times in a row. What is the probability of getting 4 only on the last trial of this experiment?
hoa [83]
First, start of by saying what the probability of getting a 4 is, which is 1/6.
Now, this means the probability of not getting a 4 is 1-(1/6)=(5/6), since the total probability is 1.

After doing this, you should think about what it means to only get 4 on the last trial, the 4th trial.  It means that the probabilities of the 1st, 2nd, and 3rd trial were (5/6) each.  The 4th trial had a probability of (1/6).  So the probability would be calculated as following: ((5/6)^3*(1/6)=5^3/6^4.  You can use a calculator or your computer to find out that the probability is 125/1296.  

I hope this was helpful!
5 0
3 years ago
In order to play in chess tournaments at the Marshall Club, Malik pays a fee to become a member. In addition, he pays a set rate
Keith_Richards [23]

Answer:

p = 22.50 + 15t

Step-by-step explanation:

For Malik :

Membership fee = m

Rate per tournament = t

After 4 tournaments :

m + 4t = 85 - - - (1)

After 7 tournaments :

m + 7t = 130 - - - (2)

Subtract 2 from 1

4t - 7t = 85 - 130

-3t = - 45

t = 45 / 3

t = 15

Put, t = 15 in (1)

m + 4(15) = 85

m + 60 = 85

m = 85 - 60

m = 25

Massai pays 10% less membership fee than Malik

Hence, Massai's membership fee:

(100 - 10)% * 25

0.9 * 25 = $22.50

Total price, p, Massai will pay to compete in t tournaments ;

Total price = membership fee + (rate per tournament * number of tournaments)

p = 22.50 + 15t

3 0
3 years ago
Leslie paid $12 for 4 books. What is the unit rate of the book purchase?
Setler79 [48]

Answer: 3 dollars for a book.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
X. F(x)
Mkey [24]

Answer:

  • A.  There is a line symmetry at x=1.5
  • D.  There are x- intercepts at (-1,0) and (4,0)

Step-by-step explanation:

The average of x-coordinates corresponding to the same F(x) value is 1.5. That is ...

  (-2+5)/2 = (-1+4)/2 = (0+3)/2 = 1.5

The values in the table appear to be symmetrical about x=1.5, so that is a line of symmetry.

__

The x-intercept points are those points where F(x) = 0: (-1, 0) and (4, 0).

__

The y-intercept is (0, -4), not (-4, 0).

On the interval [0, 5] the function is both decreasing and increasing.

3 0
3 years ago
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