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GenaCL600 [577]
3 years ago
8

1/5 mils in 5 minutes

Mathematics
1 answer:
SashulF [63]3 years ago
3 0
What is the question
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Find all values of $x$ such that $\sqrt{4x^2} - \sqrt{x^2} = 6$.
Eddi Din [679]

9514 1404 393

Answer:

  x = -6 or 6

Step-by-step explanation:

The square root is always positive, so the equation simplifies to ...

  \sqrt{4x^2}-\sqrt{x^2}=6\\\\2|x|-|x|=6\\\\|x|=6\\\\x=\{-6,\ 6\}

_____

The graph shows the solutions to f(x) = 0, where f(x) = √(4x²) -√(x²) -6.

4 0
3 years ago
Which equation can be used to find 150 percent of 500?
blondinia [14]

Answer:

Use the scores in the box. What is the range?

a list of test scores

25

24

17

13

Step-by-step explanation:

5 0
3 years ago
$18, P = $200, r = ?, t = 1.5 years. Find the annual interest rate.
faust18 [17]

                                                  Question 1)

Given

Interest I = $18

Principle P = $200

t = 1.5 years

To determine

Interest rate r = ?

Using the formula

P = Irt

r=\frac{I}{Pt}

susbtituting I = 18, t = 1.5 and P = 200

r=\frac{18}{\left(200\times 1.5\right)}

r = 0.06

or

r = 6%       ∵ 0.06 × 100 = 6%

Therefore, we conclude that the interest rate required to  accumulate simple interest of $18.00  from a principal of $200 over 1.5 years is 6% per year.

                                                    Question 2)

Given

Interest I = $60

Principle P = $750

Interest rate = 4% = 0.04

To determine

Time period t = ?

Using the formula to calculate the time period

P = Irt

t\:=\:\frac{P}{Ir}

t=\frac{60}{\left(750\times 0.04\right)}

t = 2 years

Therefore, the time required to  accumulate simple interest of $ 60.00

from a principal of $ 750 at an interest rate of 4% per year  is 2 years.

7 0
3 years ago
There are a total of 63 bikes if the ratio of blue bikes and black bikes is 45 how many are blue?
maw [93]
18 blue bikes. 63 - 45 = 18
3 0
4 years ago
Please help a girl out :)
Vilka [71]

Answer:

1/6

Step-by-step explanation:

I don't know how to use it using a number line sorry

-1/3 - (-1/2)

Two minuses give us a plus

so:

-1/3 + 1/2

make the denominators the same and what you multiply at the bottom you multiply at the top (check online about adding fractions if you don't understand)

so:

-2/6 + 3/6 = 1/6

8 0
3 years ago
Read 2 more answers
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