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Margarita [4]
3 years ago
12

Help 10 minutes please

Mathematics
1 answer:
xxMikexx [17]3 years ago
7 0

256

4^3=64

100 divided by 25=4

5^0 = 0

64•4=256

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How can I find the solution of this deferential equation (x) '' + kx =0​
agasfer [191]

Answer:

Step-by-step explanation:

This is a second order linear differential equation . Im afraid Ive forgotten the method. Any good calculus book would help with this.

8 0
3 years ago
True expression -50x+ 100 represents the balance, in dollars, of a bank account after x months. What is the range of change, in
JulijaS [17]

Let

x--------> the number of months

y-------> represents the balance, in dollars, of a bank account

we know that

y=-50x+100

the rate of change is equal to the slope of the line

so

m=-50\frac{\$}{month}

therefore

<u>the answer is</u>

the rate of change is -50\frac{\$}{month}

5 0
2 years ago
(adapted from Ross, 2.37) Your math professor gives you a set of 10 problems and tells you that the final exam will consist of a
soldier1979 [14.2K]

Answer:

(a) 1/2

(b) 9/10

Step-by-step explanation:

Probability is given by number of possible outcomes ÷ number of total outcomes

(a) Number of possible outcomes = 5 questions, number of total outcomes = 10 questions

Probability (I answer all 5 problems correctly) = 5/10 = 1/2

(b) Probability (I answer at least 4 of the problems correctly) means I either answer 4 of the problems or all 5 problems correctly = 4/10 + 5/10 = 9/10

3 0
3 years ago
Read 2 more answers
Find the domain: y= 6+9x 6− x−1
inna [77]

Answer:

Domain = {All real values of x EXCEPT x = -5 and x = 7}

Step-by-step explanation:

This is a rational function given as y=\frac{6+9x}{6-|x-1|}y=

6−∣x−1∣

6+9x

The domain is the set of all real value of x for which the function is defined.

For rational functions, we need to find which value of x makes the denominator equal to 0. We need to exclude those values from the domain.

Now

6 - |x-1| = 0

|x-1| = 6

x- 1 = 6

or

-(x-1) = 6

x = 6+1 = 7

and

-x+1=6

x = 1-6 = -5

So, the x values of -5 and 7 makes this function undefined. So the domain is the set of all real numbers except x = -5 and x = 7

3 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPP
SVEN [57.7K]
If x + y = 6, then solve for y to get: y = 6 - x.

Now replace y with 6 - x in both equations.

(5x)/3 + 6 - x = c

2(6 - x) = c - 4x

The upper equation is solved for c.
Now we solve the lower equation for c.

c = 2(6 - x) + 4x

c = 12 - 2x + 4x

c = 2x + 12

Since we have two equations solved for c, we substitute to get

(5x)/3 + 6 - x = 2x + 12

This is an equation in only x, so we can solve for x.

(5x)/3 - 3x = 6

5x - 9x = 18

-4x = 18

x = -9/2

Now we solve for y.

x + y = 6

-9/2 + y = 6

y = 9/2 + 12/2

y = 21/2

Now we solve for c.

c = (5x)/3 + y

c = (5 * (-9/2))/3 + 21/2

c = -45/6 + 21/2

c = -15/2 + 21/2

c = 6/2

c = 3

Answer: c = 3
7 0
3 years ago
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