MATHEMATICS MIDDLE SCHOOL

What is the answer to -1/2(t+9)+5 3/4t=3/8t

Answers

Answer 1
Answer: t= -24/13

hope this is right
also, you can use cymath, it helps


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COLLEGE

If A = (9,18) and B = (1,12), what is the length of AB

Answers

The Length of AB is 10.

Answer:

10 units

Step-by-step explanation:

Use the distance formula. Substitute the values, (1-9)²+(12-18)²=100. The square root of 100 is 10.

HIGH SCHOOL

Find the fifth term of a sequence whose first term is 8 and common ratio is 3/2 a.
81
b.
27/2
c.
81/2
d.
27


Please select the best answer from the choices provided

a) A
b) B
c) C
d) D

Answers

Answer:

Option c. 81/2

Step-by-step explanation:

Fifth term: a5=?

First term: a1=8

Common ratio: r=3/2

an=a1*r^(n-1)

with n=5

a5=a1*r^(5-1)

a5=a1*r^4

Replacing the known values:

a5=8*(3/2)^4

a5=8*(3)^4/(2)^4

a5=8*81/16

Simplifying: Dividing the numerator and denominator by 8:

a5=(8*81/8)/(16/8)

a5=81/2

Answer: Option c. 81/2

HIGH SCHOOL

There are 21 different coffee flavours at the cafe. oddly, each student in my 8 am class has a favourite flavour there. there are just enough students in the class so you can be absolutely sure that 7 students all have the same favourite. how many students are there in the class?

Answers

You would just have to do 7 times 21 because if every 7 students like the same flavor and there are 21 different flavors, then there should be 147 students in the class. 
HIGH SCHOOL

I have x^2=2 how do you "undo" squaring a number?

Answers

To undo the square you take the square root of both sides

                                       equation
 
                square root both sides

    x=1.4...    


You have to square root it. 

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