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3 years ago

14

After 5 years, Ben’s income has undergone several increases. Last month, Ben put $600 in savings, which was 10% of his net incom

e. What is Ben’s new monthly net income?

1 answer:

Soloha48 [4]3 years ago

8 0

Answer:

$6,000

Step-by-step explanation:

10/100 = x/600

= (600 * 100)/10

= 600 * 10

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Suppose your friend's parents invest $20,000 in an account paying 4 % compounded annually. What will the balance be after 5 ye

musickatia [10]

You got to Round it to the 10 & all that

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3 years ago

Equivalent ration of <br> b/40=9/10<br> b=____ ?

NARA [144]

Answer:

The correct answer is <em>b = 36</em>

Step-by-step explanation:

In order to find out what b is, you must find out what 9/10 is.

9/10 is 0.9. This will later be used to check our answer.

Now, solve by using cross-multiplication

b * 10 = 9 * 40.

Then use the commutative property to reorder the terms

10b = 9 * 40

Now Multiply 9 * 40 = 360

10b = 360

Now divide both sides of the equation by 10

<em>b = 36</em>

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3 years ago

7 whole number 2/3 -4 5/6 + 2 3/8

denis-greek [22]

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2 years ago

A mattress store sells only king, queen and twin-size mattresses. Sales records at the store indicate that the number of queen-s

Nitella [24]

Answer:

The probability that the next mattress sold is either king or queen-size is P=0.8.

Step-by-step explanation:

We have 3 types of matress: queen size (Q), king size (K) and twin size (T).

We will treat the probability as the proportion (or relative frequency) of sales of each type of matress.

We know that the number of queen-size mattresses sold is one-fourth the number of king and twin-size mattresses combined. This can be expressed as:

$P_Q=\dfrac{P_K+P_T}{4}\\\\\\4P_Q-P_K-P_T=0$

We also know that three times as many king-size mattresses are sold as twin-size mattresses. We can express that as:

$P_K=3P_T\\\\P_K-3P_T=0$

Finally, we know that the sum of probablities has to be 1, or 100%.

$P_Q+P_K+P_T=1$

We can solve this by sustitution:

$P_K=3P_T\\\\4P_Q=P_K+P_T=3P_T+P_T=4P_T\\\\P_Q=P_T\\\\\\P_Q+P_K+P_T=1\\\\P_T+3P_T+P_T=1\\\\5P_T=1\\\\P_T=0.2\\\\\\P_Q=P_T=0.2\\\\P_K=3P_T=3\cdot0.2=0.6$

Now we know the probabilities of each of the matress types.

The probability that the next matress sold is either king or queen-size is:

$P_K+P_Q=0.6+0.2=0.8$

8 0

3 years ago

N^2 + 36n + c "find the value of c that completes the square"

RSB [31]

For this case we have the following polynomial:

$n ^ 2 + 36n + c$

To find the value of c that completes the square, we use the following equation:

$c = (\frac {b} {2}) ^ 2$

Where,

<em>b: coefficient of the variable of degree 1 </em>

Substituting values we have:

$c = (\frac {36} {2}) ^ 2\\c = (18) ^ 2\\c = 324$

Answer:

the value of c that completes the square is:

$c = 324$

8 0

3 years ago