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Leokris [45]
2 years ago
5

How can you add and subtract rational expression

Mathematics
2 answers:
Elis [28]2 years ago
8 0

Answer:

who knows what your saying

svp [43]2 years ago
7 0

Answer: add or subtract the numerators and right the result over the common denominator.

When denominators are the same manipulate them so they become the same.

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In the triangle of ABC, D is a point on AB , AC = 7, AD = 6, and BC = 18. The length of DB could be
Ray Of Light [21]

Answer:

19 > DB > 5

Step-by-step explanation:

In a triangle Δ ABC, AC = 7, and BC = 18.

Therefore, the length of the third side of the triangle Δ ABC i.e. length of AB can have a maximum value of < (7 + 18) i.e. 25 and the minimum value of the length AB will be > (18 - 7) i.e. 11

Hence, the length of AB will be given by 25 > AB > 11.

Now, AB = AD + DB = 6 + DB {Since length of AD is given to be 6}

Therefore, 25 > 6 + DB > 11

⇒ 19 > DB > 5 (Answer)

8 0
2 years ago
☆15 points☆ select all that apply!​
True [87]

Answer:

c,d

Step-by-step explanation:

because when u solve the problem those both have the same answer

5 0
2 years ago
Read 2 more answers
Huda made 8 matching bracelets. She used 128 beads in all. How many beads did she use per bracelet?
Elden [556K]

Answer:

To figure out the answer all you have to do is divide 128 by 8 and you get:

16 beads per bracelet


Hope this helped and plz mark as brainliest!


8 0
3 years ago
a rectangular floor is 12 feet wide and 18 feet long. How much will it cost to carpet the floor if the carpet cost $1.39 per squ
ruslelena [56]
We have to find the area first
12 x 18=216 square feet
we do 216* $ 1.39= $ 300.24
7 0
3 years ago
Read 2 more answers
The vertex form of the equation of a parabola is y = 2(x + 4)2 - 21.
Ronch [10]

Answer:

y = 2x^2 + 16x + 11

Step-by-step explanation:

2(x + 4)^2 - 21

2(x + 4)(x + 4) - 21

2(x^2 + 8x + 16) - 21

2x^2 + 16x + 32 - 21

2x^2 + 16x + 11

6 0
3 years ago
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