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leva [86]
3 years ago
11

If x2 = 20, what is the value of x?

Mathematics
2 answers:
8090 [49]3 years ago
6 0

Answer:

x²=20

x=√20=√(2×2×5)=2√5

sesenic [268]3 years ago
5 0

Answer:

if you mean 2x=20 then x is 10

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I NEED HELP I WILL MARK YOU BRAINLIST
natta225 [31]

Answer:

B. -2 1/2 +3 1/4 = 3/4

Step-by-step explanation:

the starting point is -2 1/2, they added 3 1/4, and the ending point is 3/4.

6 0
3 years ago
If log a=3 log b-2 log c, find an expression for a that does not involve logarithms​
photoshop1234 [79]

Assuming that b>0 and c>0:

log(a)=3×log(b)-2×log(c)=

log(b³)-log(c²)=

log(b³/c²)

Hence a=b³/c²

7 0
3 years ago
How do you divide 6114 by 63
viva [34]
You put it in a calculator and you get 97.06349206.
8 0
3 years ago
Mom is 8 years older than 4 times Sarah’s age. The sum of their ages is less than 83. What is Sarah’s oldest possible age?
tigry1 [53]

Jing-mei starts out being excited and confident about her mother's plans for her. She believes that if she and her mother found the right kind of prodigy for Jing-mei, then Jing-mei would one day become a perfect child. As she begins losing hope, however, Jing-mei's character starts to change. Tired of constantly failing her mother's high expectations, she decides to set her own expectations, and she becomes willful, disobedient, and vocal. Ironically, her motivation throughout the story stays the same; she wants her mother to love and accept her. She knows she'll never be the type of girl her mother wants, so she resists her mother's wishes. Yet by doing the opposite of what her mother wants, Jing-mei still cannot feel that acceptance that she really wants

3 0
3 years ago
Hugh bought some magazines that cost $3.95 each and some books thst cost $8.95 each he spent a total of $47.65 if Hugh bough 3 m
Arisa [49]

<u>Find amount spent on magazines:</u>

1 magazine = $3.95

3 magazines = $3.95 x 3 = $11.85


<u>Find amount spent on books:</u>

Amount spent on books = $47.65 - $11.85 = $35.80


<u>Find number of books:</u>

Number of books = $35.80 ÷ $8.95 = 4


Answer: Huge bought 4 books



4 0
3 years ago
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