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mote1985 [20]
3 years ago
5

9. Developing Proof Copy and complete the two-column proof.

Mathematics
1 answer:
goldenfox [79]3 years ago
7 0

Answer:

try searching the answer up online!

Step-by-step explanation:

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Name the two solutions of (2x – 1)2 = 25.
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Answer:

X= 27/4, 6 3/4, 6.75
4 0
2 years ago
A math class is having a discussion on how to determine if the expressions 4x-x+5 and 8-3x-3 are equivalent using substitution.
docker41 [41]

Okay. In my opinion, all the class has to do is simplify the expressions and compare. But they want to substitute instead.

Well then.

First, let's notice that these are linear expressions, meaning that if they are equivalent then all their values match up.

Number 1 is not a good one. Just because they're both positive doesn't mean anything; they have to be <em>the same.</em>

This also eliminates 3.

Number 2 is a good one, but it's not as reliable. If, for instance, the two expressions are <em>not </em>equivalent and you get lucky enough to pick that one value they intersect at (or have in common), then you'd be wrong when you say they are equivalent.

Number 4 makes the most sense because if both expressions are equivalent, then every value matches up. If not, then only one will. So having two values to substitute will most definitely answer the class question.

Hope this helps, let me know if I messed up! ;)

5 0
3 years ago
Read 2 more answers
Solve for x for both of these plssss i need help
lions [1.4K]

Answer:

top one is -7

bottom one is -3

Step-by-step explanation:

7 0
2 years ago
When 2 fractions refer to the same whole and have the same denominator explain why you can compare only the numerators
Mrrafil [7]
One way ti find the common denominatir is to check ti see if ine denominator is a factor to the other deniminator if it is then the deniminator can be used as the common denominator when the two deniminators are the same compare the numerators
4 0
3 years ago
Find the value of x that makes each sentence true.
ki77a [65]

Answer:

51/25 and 27/4

Step-by-step explanation:

distributing and dividing both sides by coefficient of x

8 0
2 years ago
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