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schepotkina [342]
3 years ago
14

What is 15/21 simplified?

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
8 0
It is simplified to 5/7 because 21/3=7 which is your denominator and 15/3=5 which is your numerator
Zolol [24]3 years ago
5 0
You divide the numerator and the denominator by 3 as both numbers are in the 3 times table so the answer is 5/7
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ASAP HERE QUICKLY! IM BAD AT THIS​
Aliun [14]

1) Since it was 0 years when the college opened, we put x=0 and we get

T=12000

2) 0.03%

3) From 1990 to 2020, it is 30 years. Thus, x=30.

T=12000*(1.03)^30

For calculations for the 2nd point, refer to the picture.

Hope this helps!

For future whenever you solve these type, just know that x is a variable and tree have to insert out own value for x according to the questions’s demand.

6 0
3 years ago
The parent function f(x) = log3x has been transformed by reflecting it over the x-axis, stretching it vertically by a factor of
artcher [175]

Answer:

Third option.

Step-by-step explanation:

Some transformations for a function f(x), are:

If f(x)+k, the function is shifted down "k" units.

If f(x)-k, the function is shifted up "k" units.

If bf(x), and b>1, the functio is stretch vertically by a factor of "b".

If  -f(x), the function is reflected over the x-axis.

Therefore, knowing that the parent function f(x) = log_3(x)  was transformated by reflecting it over the x-axis, stretching vertically by a factor of 2 and shifting it down 3 units, we can determine that the following function represents the transformation:

f(x) = -2log_3(x)-3

3 0
3 years ago
This is super important for my grade guys can you please let me know the answer
nignag [31]

Answer: the last one

Step-by-step explanation:

3 0
3 years ago
The perimeter of a rectangular pentagon is 100 inches. Find the length of each side
Nikolay [14]

solution:

the perimeter of a regular pentagon is 100inches\\l+l+l+l+l=100\\now the combine terms\\5l=100\\l=\frac{100}{5}\\ =20 inches\\now,we solve for the length of each side by dividing both sides by 5.

3 0
3 years ago
3/4 (2a − 6) + 1/2  = 2/5 (3a + 20) what is the value of a
grigory [225]

Answer:

A= 40

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3/4 (2a-6)+1/2=2/5(3a+20)

(3/4) (2a) + (3/4) (-6) + 1/2 = (3a) + (2/5) (20)

(distribute)

3/2a + -9/2 + 1/2 = 6/5a + 8

(3/2 a) + ( -9/2 + 1/2 ) = 6/5a + 8 (Combine like terms)

3/2a + -4 = 6/5a + 8

3/2a -4 = 6/5a+8

Step 2: Subtract 6/5a from both sides.

3/2a - 4 - 6/5 a = 6/5a + 8 - 6/5 a

3/10 a - 4= 8

Step 3: Add 4 to both sides.

3/10a -4 +4 = 8 + 4

3/10 a = 12

Step 4: Multiply both sides by 10/3

(10/3) * (3/10a) = (10/3) * (12)

a = 40


5 0
3 years ago
Read 2 more answers
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