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kvasek [131]
3 years ago
6

Melanie buys a carrying case for her new laptop, which costs 125% as much as her old laptop case. The price of her new laptop ca

rrying case is $65. If n represents the cost of her old laptop carrying case, which proportion can be used to find n?
I REALLY NEED HELP PLEASE:)
Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0

Answer:

The cost of her old laptop would be $52.

Step-by-step explanation:

\frac{125\%}{65 \: dollars}  =  \frac{100\%}{n}

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What is the<br> proprtion?​
KengaRu [80]
In mathematics, two varying quantities are said to be in a relation of proportionality, if they are multiplicatively connected to a constant; that is, when either their ratio or their product yields a constant. The value of this constant is called the coefficient of proportionality or proportionality constant.
7 0
3 years ago
Need help ASAP !!!!!!
Slav-nsk [51]

Answer:

Therefore, Point M( 1 , -2 ) is the Mid point of segment ST.  

Step-by-step explanation:

Given:

Let,

point S( x₁ , y₁) ≡ ( -1 , 1)  

point T( x₂ , y₂) ≡ (3 , -5)

Point M( x , y ) is the Mid point of segment ST.  

To Find:

Point M( x , y )= ?

Solution:

As Point M( x , y ) is the Mid point of segment ST.

So we have Mid Point Formula as

Mid\ pointM(x,y)=(\frac{x_{1}+x_{2} }{2}, \frac{y_{1}+y_{2} }{2})

On substituting the given values in above equation we get

M(x,y)=(\frac {-1+3}{2},\frac{-5+1}{2})\\\\M(x,y)=(\frac{2}{2},\frac{-4}{2}) \\\\M(x,y)=(1,-2)\ \textrm{which the required midpoint}

Therefore, Point M( 1 , -2 ) is the Mid point of segment ST.  

4 0
3 years ago
What is the mean height 81,88,69,65,87
Sauron [17]

Answer:

78

Step-by-step explanation:

add them all together and and divide by how many they are -thats the meaning of the mean

81+88+69+65+87=390

390divide by 5=78

i divided by 5 becasue there are 5 numbers

4 0
2 years ago
So no one has the answer?
alexandr402 [8]

Answer:

IM GOING TO GUESS B

Step-by-step explanation:

I GUESSED !

3 0
2 years ago
Solve the equation, and check the solutions √(x+6)=3.
posledela

Answer:

The solution is x = 3

Step-by-step explanation:

We have the following equation:

\sqrt{x+6} = 3

Elevating both sides to 2, we can isolate x

\sqrt{x+6}^{2} = 3^{2}

x + 6 = 9

x = 9 - 6

x = 3

Checking

\sqrt{x+6} = \sqrt{3+6} = \sqrt{9} = 3

8 0
3 years ago
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