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Contact [7]
3 years ago
10

Solve the system (picture) by substitution

Mathematics
1 answer:
Westkost [7]3 years ago
6 0
Try out all of your options by filling the the x and y values from each option. You can use either of the two equations to solve

1) 2(2)+3(3) does not equal 5
2) 2(3)+3(2) does not equal 5
3) 2(3)+3(-2) does not equal 5
4) 2(-2)+3(3) equals 5
4.5) Double check your answer by doing the same thing for the second equation // 3(-2)+2(3) does equal zero.

D
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Write a polynomial of least degree with roots - 9 and - 2. Write your answer using the variable x and in standard form with a le
ohaa [14]
Ok I will but I don’t know
4 0
2 years ago
8-2|4-5y|=4<br><br> | | stands for absolute value
Contact [7]

Answer:

y = (2/5) OR y = (6/5)

Step-by-step explanation:

The first step is isolating the expression within the absolute value bars. The first thing we can do is subtract both sides by 8. If we do that, we get -2|4-5y| = -4. Now, to completely isolate the absolute value, we would have to divide by -2. This yields |4 - 5y| = 2. Finally, we can remove the absolute value bars. However, to do this, we need to first understand what an absolute value bar does to an equation. Lets say that |x| = 2. Absolute value describes the DISTANCE of some quantity from 0 (on the number line). Therefore, x (which is inside the absolute value bars) can be either positive or negative 2 (they are BOTH two units away from 0). Similarly, in this case, (4 - 5y) can either be 2 or -2 (because the absolute value of both is 2). Now we have two possible solutions to solve for:

4 - 5y = 2 OR 4 - 5y = -2

5y = 2 OR 5y = 6

y = (2/5) OR y = (6/5)

If we plug both of these answers back into the equation we can see that they both check out.

4 0
2 years ago
A rectangle has a base of 5cm and a width of 6cm, what is its area in square centimeters?
dusya [7]

Answer:

area of rectangle is lb

5×6= 30cm²

6 0
2 years ago
Read 2 more answers
If this is the graph of f(x)=a^(x+h)+k, then: <br> A. a&lt; 0<br> B. k&gt; 1<br> C. 0 D. a&gt; 1
lyudmila [28]

Answer:

Option D. is the right choice.

Step-by-step explanation:

D. a > 1 is the right answer.

Best Regards!

4 0
3 years ago
(Algebra) What is the lowest common denominator of 3/8x and 5/18x?
attashe74 [19]

Answer: 3/8x

To find the least common denominator first convert all integers and mixed numbers (mixed fractions) into fractions. Then find the lowest common multiple of the denominators. This number is same as the least common denominator .You can then write each term as an equivalent fraction with the same LCD denominator.

4 0
2 years ago
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