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Readme [11.4K]
3 years ago
14

Which fraction is equivalent to 8/30

Mathematics
2 answers:
umka21 [38]3 years ago
3 0
<span>0.266666 is the result of 12/45 while 0.266666, therefore, yes, 8/30 is equivalent to 12/45. Is there anything else you need? !</span>
dsp733 years ago
3 0
8/30= 4/15
divided numerator and denominator by 2

hope this helps
You might be interested in
How many times does 6 go into 29
Anastasy [175]

Answer:

4 times

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A cell phone towerbcast a shadow that is 40 feet long . An 10- foot- tall stop sign located near the tower casts a shadow that i
Likurg_2 [28]

Using proportions, considering the relation between the height and the shadow, it is found that the cell phone tower is 50 feet.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

When the shadow is of 8 feet, the height is of 10 feet. What is the height when the shadow is of 40 feet? The<em> rule of three</em> is:

8 feet - 10 feet

40 feet - h feet

Applying cross multiplication:

8h = 10 x 40

Simplifying by 8:

h = 10 x 5 = 50 feet.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

5 0
2 years ago
The answer please. (F-g)(-3)
ad-work [718]
There are two ways to do this
Method 1:

Find (f-g)(x) first
(f-g)(x) = f(x) - g(x)
(f-g)(x) = (5x^2+3) - (-2x+4)
(f-g)(x) = 5x^2+3+2x-4
(f-g)(x) = 5x^2+2x-1

Then plug in x = -3
(f-g)(-3) = 5(-3)^2+2(-3)-1
(f-g)(-3) = 5(9)+2(-3)-1
(f-g)(-3) = 45-6-1
(f-g)(-3) = 39-1
(f-g)(-3) = 38

-----------------------------------------

Method 2:

Find f(-3)
f(x) = 5x^2+3
f(-3) = 5(-3)^2+3
f(-3) = 5(9)+3
f(-3) = 45+3
f(-3) = 48

Find g(-3)
g(x) = -2x+4
g(-3) = -2(-3)+4
g(-3) = 6+4
g(-3) = 10

Subtract the two results
(f-g)(-3) = f(-3) - g(-3)
(f-g)(-3) = 48 - 10
(f-g)(-3) = 38

-----------------------------------------

Whichever method you pick, the answer is: 38

4 0
3 years ago
PLEASE HELP
densk [106]

For this case we have that by definition, a function is of the form:

y = f (x)

So, we have the following system of equations:

y = -6x + 2\\y = -2x + 4

Equating the equations we have:

-6x + 2 = -2x + 4

Adding 2x to both sides of the equation:

-6x + 2x + 2 = 4\\-4x + 2 = 4

Subtracting 2 from both sides of the equation:

-4x = 4-2\\-4x = 2

Dividing between -4 on both sides of the equation:

x = \frac {2} {- 4}\\x = - \frac {1} {2}

Thus, the value of the variable "x" is -0.5.

Answer:

-0.5

6 0
3 years ago
place the following steps in order to complete the square and solve the quadratic equation, x^2-6x+7=0
MatroZZZ [7]
We have that
x²<span>-6x+7=0
</span>Group terms that contain the same variable
(x²-6x)+7=0
Complete the square  Remember to balance the equation
(x²-6x+9-9)+7=0
Rewrite as perfect squares
(x-3)²+7-9=0
(x-3)²-2=0
(x-3)²=2
(x-3)=(+/-)√2
x=(+/-)√2+3

the solutions are
x=√2+3
x=-√2+3



4 0
3 years ago
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