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nikklg [1K]
3 years ago
15

a tree was 12 3/8 inches tall when it was first planted. three years later the tree was 21 1/8 inches tall how much did the tree

grow in the 3 years?​
Mathematics
1 answer:
Leokris [45]3 years ago
3 0

Answer:

The tree grew 8 and 3/4 inches.

Step-by-step explanation:

To get this answer, first subtract the whole numbers.

21 - 12 = 9

Now do the same with the fractions.

1/8 - 3/8 = -2/8

Now add those two together.

9 - 2/8 = 8 6/8 = 8 3/4

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Artist 52 [7]
Ax^2 + bx + c = 0
x^2 - 5x = 14
x^2 - 5x - 14 = 0
a = 1
b = -5
c = -14
3 0
3 years ago
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Find how many numbers greater than 400,000 can be made using all the digits of 416566​
Mandarinka [93]

Answer:

20

Step-by-step explanation:

You have to fill in 6 slots _ _ _ _ _ _.

Since first digit must be 4, there is only 1 way to fill in the 1st slot.

with the 5 slots, we fill in the 6s first, 3 of them.

So we have 5 options and 3 items to fill, (5 choose 3).

Then 2 ways to fill 1 and 1 way to fill 5. (It doesn't matter if you pick 5 or 1 first).

So it becomes (5C3) * (2C1) *(1C1)

= 1 * 5!/(3!)(5-3)! * (2) * 1

= 20

4 0
3 years ago
What is larger 80% or 1/8?
Leya [2.2K]
p\%=\frac{p}{100}\\\\80\%=\frac{80}{100}=\frac{8}{10}\\\\\frac{1}{8}=\frac{1\times5}{8\times5}=\frac{5}{40}\\\\80\%=\frac{8}{10}=\frac{8\times4}{10\times4}=\frac{32}{40} > \frac{5}{40}=\frac{1}{8}\\\\Answer:\boxed{80\% > \frac{1}{8}}
5 0
3 years ago
The diameter of a circular rug is 3 1/2 yards. what is the distance around the outside of the rug?
PolarNik [594]
3.50× 2= distance
distance= 7??
4 0
3 years ago
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If t = 0 in 1980, find the value for t in 1990
lora16 [44]

The value of t is 6.65

<h3>What is exponential function?</h3>

An exponential function is a mathematical function of the following form: f ( x ) = a^x. where x is a variable, and a is a constant called the base of the function.

Given:

A= 210 million

P= A e^(kt)

225 = 210 * e ^ (0.0069t)

225/210=  e ^ (0.0069t)

1.07 =  e ^ (0.0069t)

Taking log on both side

log  1.047 = 0.0069 t log e

\frac{0.0069t\ln \left(e\right)}{0.0069\ln \left(e\right)}=\frac{\ln \left(1.047\right)}{0.0069\ln \left(e\right)}

t= log ( 1.047) / 0.0069

t= 6.65

Hence, value of t is 6.65.

Learn more about this  exponential function here:

brainly.com/question/12889747

#SPJ1

4 0
2 years ago
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