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mylen [45]
3 years ago
8

I need help with them Please some one help

Mathematics
1 answer:
Aleksandr [31]3 years ago
6 0
8 / 32 x 100 = 25%
answer: 25% students went on a trip

30/60 x 100 = 50%
answer: he spent 50% of his money

40 - 10 = 30 candies after gave away 10

10/40 x 100 = 25%
answer: 25% of candies she gave away

book 300 pages
she read 75 pages
75/300 x 100 = 25%

answer: she read 25% of the book




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What is the value of x in the equation 5x+ 3 = 4x?<br> A.-3<br> B.- 1/3<br> C.1/3<br> D.3
Elina [12.6K]

Answer:

-3

Step-by-step explanation:

5•-3=-15

4•-3=-12

-15+3=-12

7 0
2 years ago
Read 2 more answers
Log2 64=6 if aB =c ?
olga_2 [115]

\log_ac=b\iff a^b=c\\\\\log_264=6\iff2^6=64

5 0
3 years ago
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As Sally and George practice for the SAT their scores on practice test rise Sally’s current score is 850 and it is rising by 10
aleksley [76]

Answer:

a) 7 weeks b) George's

Step-by-step explanation:

Sally's score can be modeled by 10x+850.

George's score can be modeled by 50x+570.

We can set them equal to each other to see when they intersect.

10x+850=50x+570

40x=280

x=7

If George overtakes her in the 7th week, of course he'll have the higher score in 12 weeks.

3 0
3 years ago
HELP PLEASE I NEEED IT
frozen [14]

Answer:

Cylinder A= 603.81

Cylinder B= 603.19

Cylinder A holds more sand than Cylinder B

Step-by-step explanation:

4 0
3 years ago
Consider the expression √(√625).
const2013 [10]

Answer:

5

Step-by-step explanation:

Square Root - Finding a number that multiplies itself twice into the number within the square root

With this meaning, we need to find a number that multiplies itself into 625.

Finding calculations using exponents will help,

25^2 is equal to 625. Therefore \sqrt{25}

We are not finished, as there is another square root right after, empowering the parenthesis, so what number multiplies itself equals 25?

This would be 5, therefore \sqrt{(\sqrt{625}) } is equal to 5.

6 0
3 years ago
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