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Ugo [173]
3 years ago
11

D + 3n = 1 solve for n

Mathematics
2 answers:
Semenov [28]3 years ago
4 0
We are given with the equation <span>d + 3n = 1  and asked to solve for n in the problem. the first step is to apply subtraction property by subtracting d to each side of the equation. Hence 3 n = 1 - d. next, we use division property by dividing the whole equation by 3. hence n = (1 - d) / 3</span>
sergiy2304 [10]3 years ago
3 0

Answer: n=\dfrac{1-d}{3}

Step-by-step explanation:

The given equation : d + 3n = 1

To solve for n, we first subtract d from both the sides , we get

3n=1-d

Now, we divide 3 form both the sides , we get

n=\dfrac{1-d}{3}

Therefore, the solved expression for n=\dfrac{1-d}{3}

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Answer:

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Step-by-step explanation:

since tile B is a regular polygon means it is an equilateral triangle. The angle inside B would be  60.

(360 - 60)/2 = 150 (interior angle of tile A)

180 - 150 = 30 (exterior angle of tile A)

therefore number of sides = 360 /30 = 12

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Find the scale factor of the dilation. Then tell whether the dilation is a reduction or an enlargement
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Last year, Susan had 10,000 to invest. She invested some of it in an account that paid 6%
katrin2010 [14]

Answer:

In the account that paid 6% Susan invest \$6,000

In the account that paid 5% Susan invest \$4,000

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

Part a) account that paid 6% simple interest per year

in this problem we have

t=1\ years\\ P=\$x\\r=0.06

substitute in the formula above

I1=x(0.06*1)

I1=0.06x

Part b) account that paid 5% simple interest per year

in this problem we have

t=1\ years\\ P=\$10,000-\$x\\r=0.05

substitute in the formula above

I2=(10,000-x)(0.05*1)

I2=500-0.05x

we know that

I1+I2=\$560

substitute and solve for x

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0.01x=560-500

0.01x=60

x=\$6.000

therefore

In the account that paid 6% Susan invest \$6,000

In the account that paid 5% Susan invest \$4,000

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