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worty [1.4K]
3 years ago
12

Ax+By=C (I need to solve for x)

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
3 0

x =  \frac{c - by}{a}
Ax+By=C
steps:
1) Subtract the By
Ax + By = C
–By = C – By
*Positive and Negative Cross Each Other Out*
Ax = C – By
2)divide by A
Ax = C – By
---- = ----------
A A
*A divided by A is one*
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Simply please “picture”
oksian1 [2.3K]
<h3>Answer: (-infinity, 7]</h3>

=====================================

Explanation:

The first interval (-infinity, 3) describes any number less than 3, so we can write x < 3 in short hand (where x is the unknown number).

The second interval (-1, 7] means we start at -1 and stop at 7. We do not include -1 but include 7. So we say that -1 < x \le 7 (ie x is between -1 and 7; exclude -1, include 7)

If you were to graph each ona number line, you would see that the too intervals have overlapping parts. The right most edge extends out as far as x = 7. There is no left most edge as it goes onforever that direction.

Therefore, the to intervals combine to get x \le 7 which turns into the interval notation answer of (-infinity, 7]

-----------

It might help to think of it like this: x < 3 and -1 < x \le 7 say "x is some number that is less than 3, or it is between -1 and 7". So x could be anything less than 7, including 7 itself.

4 0
3 years ago
Find the product. <br> 2 x (–8) x (–9)<br><br><br><br> 19<br><br> –19<br><br> –144<br><br> 144
chubhunter [2.5K]
The answer is 144

hope this helped!
4 0
3 years ago
There are currently 18 pit bulls at the pound. Of the 18 pit bulls, four have attacked another dog in the last year. Joe, a memb
laila [671]

Answer: 0.7748

Step-by-step explanation:

Given : Number of bit bulls at the pound = 18

Number of pit bulls have attacked another dog in the last year =4

The proportion of pit bulls have attacked another dog in the last year:p=\dfrac{4}{18}\approx0.22

Number of the pit bulls selected = 6

The probability of that none of the pit bulls in Joe's group attacked another dog last year :  P(0)=(1-0.22)^6=0.225199600704\approx0.2252

By using binomial , the probability that at least one of the pit bulls in Joe's group attacked another dog last year is given by :-

P(x\geq 1)=1-P(x

Hence, the required probability = 0.7748

3 0
3 years ago
Sven got money for his birthday. He spent $12 of the money and now has $28 left. Write and solve an equation to find out how muc
Dennis_Churaev [7]

Answer:

Equation

28  =  X - 12

Solve for X

Isolate the X

28+12 = X

40 = X

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Which of the following properties is represented by (ab)c = a(bc)?
DochEvi [55]

Answer:

Associative Property of Multiplication

Step-by-step explanation:

We are given three numbers-a,b,c.

We are given the property (ab)c = a(bc)

This implies that on the left hand side we first multiply a and b and then multiply the result by c. On the right side of the equation, we first multiply b and c and multiply a with the product of b and c.

As per the given property, the result in both the cases is the same.

This signifies the associative property of multiplication where the result is independent of the order of operation.

3 0
3 years ago
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