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just olya [345]
3 years ago
13

What is the answer to A=1/2bh when A=360 m and h= 12 m what is the formula

Mathematics
2 answers:
melisa1 [442]3 years ago
5 0

Answer:

60

Step-by-step explanation:

Elis [28]3 years ago
4 0
A = bh/2

360 = b(12)/2

We are solving for b or base.

360 = 6b

360/6 = b

60 = b

The base is 60 meters.
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Please help!
Gemiola [76]

The derivative of f(x) = 2\cdot x^{2}-9 is f'(x) = 4\cdot x.

In this exercise we must apply the definition of derivative, which is described below:

f'(x) =  \lim_{x \to 0} a_n \frac{f(x+h)-f(x)}{h} (1)

If we know that f(x) = 2\cdot x^{2}-9, then the derivative of the expression is:

f'(x) =  \lim_{h \to 0} \frac{2\cdot (x+h)^{2}-9-2\cdot x^{2}+9}{h}

f'(x) = 2\cdot \lim_{h \to 0} \frac{x^{2}+2\cdot h\cdot x + h^{2}-2\cdot x^{2}}{h}

f'(x) = 2\cdot  \lim_{h \to 0} 2\cdot x + h

f'(x) = 4\cdot x

The derivative of f(x) = 2\cdot x^{2}-9 is f'(x) = 4\cdot x.

We kindly invite to check this question on derivatives: brainly.com/question/23847661

4 0
3 years ago
Find an equation for the nth term of the sequence.
tensa zangetsu [6.8K]

Answer:

a. an = -1 • 4^(n - 1)

Step-by-step explanation:

It's easy see that each term is multiplied by 4 to get the next term, so the common ratio will be 4, that reduces the choices to answers A and B (since C and D use -1 as common ratio).  Also, normally a geometric progression uses "n-1", so we'll first try with A to see if it works.

a1 = (-1) * 4^0 = -1 * 1 = -1

a2 = (-1) * 4^1 = -1 * 4 = -4

a3 = (-1) * 4^2 = -1 * 16 = -16

Yes, it works... so the answer is an = -1 • 4^(n - 1)

6 0
3 years ago
Determine if the sequence is arithmetic or geometric, and find the common difference or ratio.
melamori03 [73]

Answer:

The sequence is arithmetic with a common difference of -10

Step-by-step explanation:

From the question, we want to determine if the sequence is arithmetic or geometric

From the question

f(1) = 5

f(2) = -5

f(3) = -15

Mathematically for the common difference;

f(3) - f(2) = f(2) - f(1)

Since;

-15-(-5) = -5-5

-10 = -10

Since the common difference here is same , then the sequence is arithmetic with a common difference of -10

8 0
3 years ago
1. What is 44% of 205
-Dominant- [34]

Answer:

  see below

Step-by-step explanation:

If your calculator doesn't have a % key, you can change each of the percentages to a decimal by dividing the numerical value by 100. "%" means "/100".

  44% = 44/100 = 0.44 . . . . . . both fractions are read "forty-four hundredths"

Then 44% of 205 = 0.44×205 = 90.2

When you have repetitive calculations like this, a spreadsheet or calculator is handy.

5 0
3 years ago
One pencil weigh fifteen grams. What is the weight of eight pencils?
artcher [175]

Answer:

120 grams

if they are all the same size

8 0
2 years ago
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