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olya-2409 [2.1K]
3 years ago
7

The base of a triangle measures (3x − 6) units and the height measures (2x + 4) units.

Mathematics
1 answer:
ella [17]3 years ago
5 0

Answer With Step-by-step explanation:

Part A:

.5[ (3x – 6) (2x + 4) ]

.5(6x^2 - 24)

3x^2 - 12

Part B:

Second Degree Binomial

Part C:

For Part A, a polynomial was multiplied by another polynomial. The resulting product was a polynomial. This is a demonstration of the closure property for multiplying polynomials.

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Rearrange the standard form of the equation below into y = mx + b by isolating y. <br> 5x − 2y = 6
Minchanka [31]

Answer:

y = \frac{5}{2} x - 3

Step-by-step explanation:

5x - 2y = 6 ( subtract 5x from both sides )

- 2y = - 5x + 6 ( divide through by - 2 )

y = \frac{5}{2} x - 3 ← in slope- intercept form

5 0
3 years ago
What is the answer and why is it true?
pashok25 [27]

Answer:

1.5 lbs b/c 2 block equal 3 vs 3 blocks equal 3

Step-by-step explanation:

7 0
4 years ago
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Donte simplified the expression below.
sergij07 [2.7K]
The answer is: [A]: He did not apply the distributive property correctly for                                        4(1 + 3i) .
_____________________________________________
Explanation:
______________________
Note the distributive property of multiplication:
_____________________________
a*(b+c) = ab + ac.
____________________________
As such: 4*(1 + 3i) = (4*1) + (4*3i) = 4 + 12i ;
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Instead, Donte somehow incorrectly calculated:
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4*(1 + 3i) = (4*1) + 3i = 4 + 31; (and did the rest of the problem correctly);

Note:  - (8 - 5i) = -8 + 5i (done correctly; 
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So if Donte did not apply the distributive property correctly for 4*(1+3i)—and incorrect got 4 + 3i (as mentioned above); but did the rest of the problem correctly, he would have got:
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4+ 3i - 8 + 5i = -4 + 8i (the incorrect answer as stated in our original problem.
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This corresponds to: "Answer choice: [A]: <span>He did not apply the distributive property correctly for 4(1 + 3i)."
___________________________</span>
6 0
4 years ago
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What is the measure of angle P?<br><br> Round only your final answer to the nearest hundredth.
Svetradugi [14.3K]

Answer:

i think its 130

Step-by-step explanation:

hope this helps? :|

5 0
3 years ago
PLEASE HELP ME LIKE RN THIS IS 7TH GRADE MATH BTW
natulia [17]

Answer:

for the third one 2/5 for the fourth one 3/5

Step-by-step explanation:

For the first one, I put 10/25 as a fraction and found the least common multiple, which is 5. I then simplified, and got 2/5.

For the second one, I chose 3/5 because there are 3 friends whose names end in a, and 5 friends whose names do not end in a. My theory was that I took the friends and divided them into 2 groups by most common.

hope this helps if it doesn't I will correct myself :)

8 0
3 years ago
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