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sergiy2304 [10]
1 year ago
5

Question 9

Mathematics
1 answer:
Katena32 [7]1 year ago
4 0

we can conclude that the range is:

(0, 5), (-16, -1), (12, 4)

Which is the first option (counting from the top).

<h3>How to find the range?</h3>

When we have a relation:

x⇒f(x) = y

We define the domain as the set of possible inputs, and the range as the set of possible outputs.

In this case, we know that the domain is:

(0, 5), (8, -1), (-6, 4)

And the transformation is:

f(x, y) = (-2x, y)

So, if we apply that to each one of the pairs in the domain, we will get:

f(0, 5) = (-2*0, 5) = (0, 5)

f(8, -1) = (-2*8, - 1) = (-16, -1)

f(-6, 4) = (-2*-6, 4) = (12, 4)

Then we can conclude that the range is:

(0, 5), (-16, -1), (12, 4)

Which is the first option (counting from the top).

If you want to learn more about domain and range:

brainly.com/question/10197594

#SPJ1

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Gelneren [198K]

Answer:

4

Step-by-step explanation:

Hurley drank between 4 and 5 liters of water for 8 different days and drank between 1 or 2 liters of water on 4 different days. To find the answer we have to use the following equation.

# of days Hurley drank (4-5 L) - # of days Hurley drank (1-2 L) = # of more days

8 - 4 = 4

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3 years ago
10 x 5 thousands standard form
jeka94

Answer: 10*5,000=50,000

Step-by-step explanation:

By definition, when you multiply two factors the result is known as "Product".

In this case you have to solve the following multiplication:

10*5\ thousands

The first factor is already written in Standard form, but the second one is not written in Standard form.

Then, you need to rewrite it in numbers:

5\ thousands=5,000

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3 0
4 years ago
Yoko is a software saleswoman. Her monthly salary is $2200 plus an additional $40 for every copy of English is Fun she sells.
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Answer:

y=40x+2200

Step-by-step explanation:

Since there is no question, I just provided you with the equation.

8 0
4 years ago
Quadrilateral WXYZ has vertices W(-4,-3), X(0,-1). Y(6,-2), Z(2,-4). Using properties of diagonals prove that WXYZ is a parallel
yanalaym [24]

Answer:

The diagonals are bisectors of each other and meet at  (1, -5/2) but are not congruent, so WXYZ is a parallelogram and not a rectangle

Step-by-step explanation:

for parallelograms.

the diagonals intersect at the midpoints

W                             X

Z                             Y

Diagonals are  WY  and  XZ

WY :   (-4, -3) to  (6, -2)

midpoint is   [(-4 + 6)/2  ,  (-3 - 2)/2 ] = ( 1, -5/2 )

XZ :   (0, -1)  to  (2, -4)

midpoint is  [ (0 + 2)/2 ,  (-1 + -4)/2 ]  = (1, -5/2)

The diagonals are bisectors of eachother.

Next show that these diagonals are not congruent.

length of  WY  =  root (  (-4 - 6)^2  +  (-3 - (-2))^2 )

WY = root ( 100  +  1)

WY = root(101)

length of XZ  =  root (  (0 - 2)^2  +  ( -1 - -4)^2 )

XZ =  root (4  +  9) = root (13)

we see that  WY  is not equal to XZ

...

so  ..  quadrilateral WXYZ is a parallelogram but not a rectangle.

8 0
3 years ago
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Sphinxa [80]

Answer: a is at 5.7

Step-by-step explanation:

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