MATHEMATICS HIGH SCHOOL

Solve 4x = 16 for x.
x =

Answers

Answer 1
Answer: Well what ever you do to one side, you do to the other.
Your goal is to get the x alone
in order to do that we divide both sides by 4
4x = 16 
÷4 = ÷4  The left side cancels out and the right side gets solved
********* because 16 ÷ 4 = 4 :)
x = 4 

And there's your answer 
x = 4

When in doubt, eat a pineapple :)
Answer 2
Answer: Just divide both sides by 4.

4x / 4 = 16 / 4

x = 4

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A rectangular garden has a perimeter of 48 cm and an area of 140 sq. cm. what is the width of this garden?

Answers

We can call a the width of the garden and b the length of the other side. 
The perimeter of the garden is the sum of the two sides, and it is equal to 48 cm:
a+b=48 (1)
The area of the garden is the product between the two sides, and it is equal to 140 cm^2:
a b = 140

From (1), we find
b=48 -a
And by substituting this into (2) 
a(48-a)=140
a^2-48a+140 =0
which gives two solutions:
a=44.9, to which corresponds b=48-a=48-44.9=3.1
a=3.1, to which corresponds b=48-a=48-3.1=44.9

So, the width of the garden is 44.9 cm while the length of the other side is 3.1 cm.

What is the average of four tenths and five thousandths?

Answers

four tenths is expressed as .4 
five thousandths is expressed as .005
the sum of these is .405 and divided by 2 (there are two numbers we added), we get .2025, that is the average
((4)/(10)+(5)/(1000)):2 = ((400)/(1000)+(5)/(1000))*(1)/(2) =\n \n=(405)/(1000)*(1)/(2)=(405)/(2000)=(81)/(400)= .2025

What is the value of (5+9i) - (8-12i)

Answers

Answer:

-3+21i is the answer!!!

Step-by-step explanation:

5-8= -3 and 9i-(-12i)= 21i, so the answer is -3 + 21i.

Find a number smaller than 19 that has more factors than 21, 23, and 25

Answers


The factors of  21  are 1,  3,  7,  and  21 ... four factors.

The factors of  23  are  1  and  23 ... two factors.

The factors of  25  are  1,  5,  and  25 ... three factors.
___________________________________

The factors of  12  are  1,  2,  3,  4,  6,  and  12 ... six factors.

The factors of  18  are  1,  2,  3,  6,  9,  and  18 ... six factors.

Write a program that calculates how many days it takes to accumulate at least $1,000,000 if someone deposits one penny on the first day, two pennies the second day, four pennies on the third day and continues to double each day. The output should display the number of days

Answers

Answer:

Step-by-step explanation:

Let's do this in Python

day = 1

balance = 0

deposit = 0.01  # first deposit is 1 penny

while balance < 1000000: # execute the loop as long as balance is less than a million dollar

    balance += deposit

    deposit = deposit * 2 # double the deposit for the next time

    day += 1 # add one to day for the next day

print(day) # print out result once loop ends

PLZ Help 20 points!!!!!

Answers

So i think you gotta see where the point is ay and if it isnt rig
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