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Inessa [10]
3 years ago
9

Simplify this expression. (√2 + √3)(√5 - √7)

Mathematics
2 answers:
Fynjy0 [20]3 years ago
7 0

Answer:

\sqrt{10}-\sqrt{14}+\sqrt{15}-\sqrt{21}

OPTION B

Stels [109]3 years ago
4 0
\sqrt{10}-\sqrt{14}+\sqrt{15}-\sqrt{21}
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Elizabeth earned $150 a week tutoring . If he saved $75, what percent of the money he earned did he save
olga2289 [7]

Answer:

50%

Step-by-step explanation:

Cuz 75 is 1/2 of 150, so 1/2 is equal to 50%.

8 0
3 years ago
In a group of 60 workers they get paid an average of 80$ a day per person.
hichkok12 [17]

Answer:

48 workers earn $75 a day.

Step-by-step explanation:

Let x people earn 75 a day then 60-x earn 100 dollars a day.

Average is $80 a day so total paid out to the 60 workers

= 60*80 = $4800.

So  75x + 100(60-x) = 4800

75x + 6000 - 100x = 4800

6000 - 4800 = 100x - 75x

1200 = 25x

x = 48.

6 0
2 years ago
What is the value of x?
dezoksy [38]
X is equal to 1

hope it helps
6 0
3 years ago
Your skateboard ramp is 2 3/8 feet high. Your friend's skateboard is 2 2/5 feet high. which skateboard is higher?
Zinaida [17]

Answer:

2-3/8  =  2.375

2-2/5  =  2.4

2.4 - 2.375  =  0.025

Your friend's skateboard ramp is 0.025 foot higher

than your skateboard ramp is.

That's about  1.1%  higher . . . 0.3 inch, or about  7.62 milometers.

6 0
3 years ago
Use distributive property to rewrite each algebraic expression: 15(2+r)
ira [324]

Answer:

15 x 2 + 15 x r

Step-by-step explanation:

I hope this helps and hope u have an Amazing day!!

8 0
3 years ago
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