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Neporo4naja [7]
3 years ago
13

How many 1/4 in 15/20?

Mathematics
1 answer:
sladkih [1.3K]3 years ago
3 0
1/4 can also be written as 5/20. 15:5 is 3. The answer is 3
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find x if the distance between points L and M is 15 and point M is located in the first quadrant. L=(-6,2) M=(x,2)​
aivan3 [116]

Answer:

Therefore,

x = 9

Step-by-step explanation:

Given:

Let,  

point L( x₁ , y₁) ≡ ( -6 , 2)

point M( x₂ , y₂ )≡ (x , 2)

l(AB) = 15 units  (distance between points L and M)

To Find:    

x = ?

Solution:  

Distance formula between Two points is given as

l(LM)^{2} = (x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}

Substituting the values we get

15^{2}=(x--6)^{2}+(2-2)^{2}\\\\225=(x+6)^{2}

Square Rooting we get

(x+6)=\pm \sqrt{225}=\pm 15\\\\x+6 = 15\ or\ x+6 = -15\\\\x= 9\ or\ x = -21

As  point M is located in the first quadrant

x coordinate and y coordinate are positive

So x = -21 DISCARDED

Hence,

x = 9

Therefore,

x = 9

3 0
3 years ago
Select the following numbers that cannot represent the area of a polygon.
Alborosie
-5,0 and-200 cannot represent the area of polygon
As 0 has no value and there are impossible to make a polygon with negative value
3 0
3 years ago
Suppose you invest $25,000 at simple interest rate r. If you receive $1,250 in total interest after four years, what is the inte
Misha Larkins [42]

\text{Hello!}

\large\boxed{1.25\%}

\text{Use the simple interest formula I = P * r * t where:}\\\\\text{I = amount of interest}\\\text{P = principle  (initial amount)}\\\text{r = interest rate}\\\text{t = time period}\\\\\text{Substitute the known values from the problem:}\\\\1250 = 25000 * r * 4\\\\1250 = 100000r\\\\r = 0.0125\\\\\text{Convert to a percentage:}\\\\0.0125 * 100 = 1.25\%

3 0
3 years ago
Read 2 more answers
Estimate the area of the figure below to the nearest hundredth.
DochEvi [55]
4800,good luck!hope I helped!

3 0
3 years ago
Which of the following are examples of a function? Justify your answers.
Blababa [14]

Answer:

The assignment of teachers to students enrolled in each of their classes is NOT an example of a function.

Step-by-step explanation:

To determinate if the given example is a function, you have to use the definition of function and compare it to the example.

A function is defined as a relation that assigns each element of one set to exactly one element of the second set. The first set is called the domain and the second set is called the range.

In this case, the domain is represented by the teachers and the range is the students enrolled in each teacher's classes.

Therefore, the example is not a function because each teacher is not assigned to exactly one student. In other words, in general, one teacher has more than just one student.

4 0
3 years ago
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