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nordsb [41]
3 years ago
13

Taylor gets half the allowance Mahlon gets. Angel receives 3 times what Taylor gets toghter the 3 receive $144. How much does ea

ch student receive
Mathematics
1 answer:
Margarita [4]3 years ago
8 0

Hello there!

Taylor gets: $24

Mahlon gets: $48

Angel gets: $72

Set up an equation to model each.

Taylor gets half the allowance Mahlon gets. - 2t = m

Angel receives 3 times what Taylor gets. - 3t = a

Together they receive: - a + m + t = 144

Now,  we can plug in these values into the last equation: 2t = m and 3t = a

a + m + t = 144

3t + 2t + t = 144

Now, solve for t.

5t + t = 144

6t = 144

t = 24

Now we know how much Taylor gets, but what about everyone else? Well, remember that in the question, it said that "<em>Angel receives 3 times what Taylor gets</em>" So we can multiply Taylor's allowance by 3 to get Angel's.

24 x 3 = 72

Lastly, we need to find Mahlon's allowance.

We can add together Angel and Taylor's total allowances and subtract it from 144, and whatever we have left is Mahlon's allowance.

24 + 72 = 96

144 - 96 = 48

So, this is Mahlon's allowance, and now we have everyone's allowances. I hope this helps and have a great day!!

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lisabon 2012 [21]

Answer:

x=-4/5

Step-by-step explanation:

8/20=x/-2

simplify 8/20 into 2/5

2/5=x/-2

cross product

5*x=-2*2

5x=-4

x=-4/5

8 0
3 years ago
The two lines below intersect as shown what the value of x (2x+29) (9x-13)
tensa zangetsu [6.8K]

Given:

Two lines intersect each other.

Consider the below figure attached with this question.

To find:

The value of x.

Solution:

If two lines intersect each other then the vertically opposite angles are congruent and their measures are equal.

In the given figure, the measures of two vertically opposite angles are (2x+29)° and (9x-13)°.

2x+29=9x-13

2x-9x=-29-13

-7x=-42

Divide both sides by -7.

x=\dfrac{-42}{-7}

x=6

Therefore, the value of x is 6.

8 0
3 years ago
For a binomial process, the probability of success is 40 percent and the number of trials is 5. Find the standard deviation.
Yakvenalex [24]

Answer:

Sd(X) =\sqrt{1.2}=1.095

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest, on this case we now that:

X \sim Binom(n=5, p=0.4)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

The mean for the binomial distribution is given by:

E(X) =np=5*0.4=2

And the variance is given by:

Var(X) = np(1-p) =5*0.4*(1-0.4)=1.2

And the deviation is just the square root of the variance so we got:

Sd(X) =\sqrt{1.2}=1.095

7 0
3 years ago
-What could be concluded if the relative frequency of an event is equal to 0?
Sliva [168]

Answer: If the frequency is 0, it does not repeat.

Step-by-step explanation: A relative frequency table is a chart that shows the popularity or mode of a certain type of data based on the population sampled. When we look at relative frequency, we are looking at the number of times a specific event occurs compared to the total number of events.

3 0
3 years ago
F(x)=2x^3+ax^2-37x-60<br><br> The binomial x-4 is a factor of f(x). Find the value of a.
jekas [21]

Given:

The function is

f(x)=2x^3+ax^2-37x-60

The binomial x-4 is a factor of f(x).

To find:

The value of a.

Solution:

If x-c is a factor of f(x), then f(c)=0.

It is given that, x-4 is a factor of f(x), then f(4)=0.

We have,

f(x)=2x^3+ax^2-37x-60

Substituting x=4, we get

f(4)=2(4)^3+a(4)^2-37(4)-60

f(4)=2(64)+a(16)-148-60

f(4)=128+16a-208

f(4)=16a-80

Now,

f(4)=0

16a-80=0

16a=80

a=\dfrac{80}{16}

a=5

Therefore, the value of a is 5.

6 0
3 years ago
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