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gulaghasi [49]
3 years ago
7

(-4)(5)+(-3)(-2) whats is it???

Mathematics
2 answers:
Vlada [557]3 years ago
5 0

Answer:

-14

Step-by-step explanation:

(-4)(5)+(-3)(-2)

=-20+6

=-14

joja [24]3 years ago
3 0

Answer:

-14

Step-by-step explanation:

Remember to follow PEMDAS. First multiply, then add.

Note:

If you multiply two negative numbers, the answer will be positive.

If you multiply one negative & one positive, the answer will be negative.

If you multiply two positive numbers, the answer will be positive.  

(-4) * (5) = -20

(-3) * (-2) = 6

Add:

-20 + 6 = -14

-14 is your answer.

~

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\large -6x+6y=6<br> \large 6x+3y=12
Kaylis [27]

Answer:

the solution of the system is:

x = 1 and y = 2.

Step-by-step explanation:

I suppose that we want to solve the equation:

-6*x + 6*y = 6

6*x + 3*y = 12

To solve this, we first need to isolate one of the variables in one of the equations.

Let's isolate y in the first equation:

6*y = 6 + 6*x

y = (6 + 6*x)/6

y = 6/6 + (6*x)/6

y = 1 + x

Now we can replace this in the other equation:

6*x + 3*(1 + x) = 12

6*x + 3 + 3*x = 12

9*x + 3 = 12

9*x = 12 - 3 = 9

x = 9/9 = 1

Now that we know that x = 1, we can replace this in the equation "y = 1 + x" to find the value of y.

y = 1 + (1)  = 2

Then the solution of the system is:

x = 1 and y = 2.

6 0
3 years ago
The distance DA between earth and the sun is 93,000,000 miles, the distance DE between earth and the moon is 240,000 miles, and
Rudiy27

Answer:

Hi

Step-by-step explaidknation:

6 0
3 years ago
What is the solution or solutions to 5x-y=-6 and   -2x+y=3?
sladkih [1.3K]
I would reccomend the app photo math its really easy to use and it answers questions like this. 
4 0
3 years ago
Read 2 more answers
Pls help w my khan acc
Leviafan [203]

Answer:

x intercept is (-40,0)

y intercept is (0,15)

8 0
2 years ago
The Census Bureau says that the 10 most common names in the United States are (in order) Smith, Johnson, Williams, Jones, Brown,
scZoUnD [109]
Using binomial distribution where success is the appearing of any of the top 10 most common names, thus probability of success (p) is 9.6% = 0.096 and the probability of failure = 1 - 0.096 = 0.904. Number of trials is 11.
Binomial distribution probability is given by P(x) = nCx (p)^x (q)^(n - x)
Probability that none of the top 10 most common names appears is P(0) = 11C0 (0.096)^0 (0.904)^(11 - 0) = (0.904)^11 = 0.3295
Thus, the probability that at least one of the 10 most common names appear is 1 - 0.3295 = 0.6705

Therefore, I will be supprised that none of the names of the authors were among the 10 most common names given that the probability that at least one of the names appear is 67%.
6 0
3 years ago
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