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xxTIMURxx [149]
3 years ago
11

Is that right? im trying to get a really good score

Mathematics
1 answer:
Lilit [14]3 years ago
4 0

Your answer is correct I have calculated it in my head

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I don't understand this nonsense !
mel-nik [20]
Well first you do 6÷3=2. Then you do 2*5= 10. Also do 20+10=30-15=15. So your answer is 15
5 0
3 years ago
The table represents a linear function. Find the values of A and B.​
bazaltina [42]

Answer:

The answers are that a = -5 and b = 1

Step-by-step explanation:

In order to find A and B, we first need to find the equation of the line. We can do this by using two ordered pairs and the slope formula. For the purpose of this activity, I'l use (0, 5) and (-3, 11)

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

m = (11 - 5)/(-3 - 0)

m = 6/-3

m = -2

Now that we have this we can model this using point-slope form.

y - y1 = m(x - x1)

y - 5 = -2(x - 0)

y - 5 = -2x

y = -2x + 5

Now that we have the modeled equation we can use the ordered pair (a, 15) to solve for a.

y = -2x + 5

15 = -2(a) + 5

10 = -2a

-5 = a

And we can also solve for b using the ordered pair (2, b)

y = -2x + 5

b = -2(2) + 5

b = -4 + 5

b = 1

4 0
3 years ago
Solve the inequality for x. show each step of the solution.<br> 12x &gt;9(2x-3)-15
Murljashka [212]
Divide both sides by 12 to get x by itself
so it looks like:
x >  \frac{9(2x - 3) - 15}{12}
that's it
7 0
4 years ago
a bag contains 5 red skittles, 3 purple skittles, and 2 orange skittles.A skittle is removed and not replaced, then another skit
dybincka [34]
The probability of two independant events P_a and P_b can be found by multiplying the individual probabilities like so:
P_t=P_{a}*P_b

For each individual probability we can find the answer via a simplfied representation: 
P_x = \frac{wanted}{total}

For the first skittle (red) we have:
P_{red} = \frac{red}{total}=\frac{5}{10}=0.5

For the second skittle (orange) we have:
P_{orange} = \frac{2}{9} = 0.2222...
**(Notice that the total is now NINE since we didn't put the first red one back in the bag.)

So:
P_{total} = P_{red} \times P_{orange}
P_{total} = \frac{5}{10} \times \frac{2}{9}
P_{total} = \frac{10}{90}=\frac{1}{9} \approx 0.1111 \approx 11.11\%
7 0
3 years ago
What is the correlation coefficient of the linear regression for the data in the table?
Blababa [14]
My best guess is <span>(r): 0.91</span>
8 0
3 years ago
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