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3 years ago

Is it A B C or D multiple choice if i get the wrong i fail to pass

Mathematics

2 answers:

sergeinik [125]3 years ago

8 0

Two less than the means -2. Sum of the number and 6 is 6 + x so the answer is 6 + x - 3 = 3x which is d

oksano4ka [1.4K]3 years ago

4 0

Pretty sure it's C, Good Luck!

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You invest $2,000 in an account that is compounded annually at an interest rate of 5%. You never withdraw money from the account

Nimfa-mama [501]

A=2000(1+.05)^4
A=2000(1.05)^4
A= $2,431.01
After 4 years there will be $2,431.01 in the account.

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3 years ago

Let c be the curve which is the union of two line segments, the first going from (0, 0) to (4, 4) and the second going from (4,

victus00 [196]

First of all we need to find a representation of C, so this is shown in the figure below.

So the integral we need to compute is this:

$I=\int_c 4dy-4dx$

So, as shown in the figure, C = C1 + C2, so:

$I=\int_{c_{1}} (4dy-4dx)+\int_{c_{2}} (4dy-4dx)=I_{1}+I_{2}$

Computing first integral:

$c_{1}: y-y_{0}=m(x-x_{0}) \rightarrow y=x$

Applying derivative:

$dy=dx$

Substituting this value into $I_{1}$

$I_{1}=\int_{c_{1}} (4dx-4dx)=\int_{c_{1}} 0 \rightarrow \boxed{I_{1}=0}$

Computing second integral:

$c_{2}: y-y_{0}=m(x-x_{0}) \rightarrow y-0=-(x-8) \rightarrow y=-x+8$

Applying derivative:

$dy=-dx$

Substituting this differential into $I_{2}$

$I_{2}=\int_{c_{2}} 4(-dx)-4dx=\int_{c_{2}} -8dx=-8\int_{c_{2}}dx$

We need to know the limits of our integral, so given that the variable we are using in this integral is x, then the limits are the x coordinates of the extreme points of the straight line C2, so:

$I_{2}= -8\int_{4}^{8}}dx=-8[x]\right|_4 ^{8}=-8(8-4) \rightarrow \boxed{I_{2}=-32}$

Finally:

$I=\int_c 4dy-4dx=0-32 \rightarrow \boxed{I=-32}$

4 0

3 years ago

What is the unit value of 3 in 432?

vaieri [72.5K]

Its in the tens place so the unit value is 30

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3 years ago

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I need help on number 29

choli [55]

x = All real numbers or 0.

First you should distribute both sides of the equation. This gives you 42x+42=42x+42.

Then, subtract 42 from both sides. This gives you 42x=42x.

Now, divide 42 on both sides. This gives you x=0 or all real numbers.

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3 years ago

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What is mode and in 2hat ways can be find the mode of a given data!?

avanturin [10]

Answer:

The mode of a data set is the number that occurs most frequently in the set. To easily find the mode, put the numbers in order from least to greatest and count how many times each number occurs. The number that occurs the most is the mode!

Step-by-step explanation:

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3 years ago