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jonny [76]
3 years ago
12

The Wares want to buy a new computer. The regular price is $1049. The is offering a 20 percent discount and a sales tax of 5.25

percent is added after the discount. What is the total cost?
Mathematics
1 answer:
dmitriy555 [2]3 years ago
5 0
$839.25 or $839.3 is the total cost
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What is the vertex of the quadratic function f(x)=(x-8)(x-2)
lakkis [162]

Answer: Vertex (5 ,-9)

Step-by-step explanation:

Given : Function f(x) = (x – 8)(x – 2).

To find : What is the vertex of the quadratic function .

Solution : We have given that f(x) = (x – 8)(x – 2).

On removing parenthesis

f(x) = x²-2x -8x +16.

f(x) = x²-10x +16.

We need to find vertex of this function ,

Vertex: (h, k)

h = -.

Plugging values

h = -.

h = 5 this is the x- coordinate,

Now , we will plug x= 5 in quadratic function .

k  = (5)²-10(5)+16.

k = 25-50 + 16

k= -9.

Vertex (5 ,-9)

Therefore, Vertex (5 ,-9).

7 0
4 years ago
Assume that male and female births are equally likely and that the birth of any child does not affect the probability of the gen
anygoal [31]
The probability is 0.246 or 24.6%.

We can use a binomial distribution for this:

_nC_r(p)^r(1-p)^{n-r}
\\
\\_{10}C_5(0.5)^5(0.5)^5 = 0.246
7 0
3 years ago
Mrs. Smith wants to put a circular pool in her backyard. She wants the
jonny [76]

Answer:

d

Step-by-step explanation:

  • area<em>=</em><em> </em>πr²
  • radius =4
  • area=4×4×22÷7
  • =5O.286
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4 0
4 years ago
Read 2 more answers
What is a model to represent this 12 × 6​
matrenka [14]
Maybe factoring it would be a model
8 0
3 years ago
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"Find the midpoint of AB .
Diano4ka-milaya [45]

Answer:

The midpoint of AB = (x,y)=(1,1)

Step-by-step explanation:

Given : A line AB

To find : Midpoint of AB.

Solution :

Consider the figure


Then , Points of A =    (x_{1} ,y_{1} )   = (-2,0)


Points of B =    (x_{2} ,y_{2} )   = (4,2)


Now to find mid point we will use midpoint formula :


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


(x,y) =(\frac{-2 +4 }{2},\frac{0 +2 }{2} )


(x,y) =(\frac{2 }{2},\frac{2 }{2} )


(x,y) =(1,1 )


Thus, The midpoint of AB = (x,y)=(1,1)






7 0
3 years ago
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