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marysya [2.9K]
3 years ago
7

Which is the correct label of the parallel lines? (4 points) Parallel lines a and b are shown. Points A and B lie on line a whil

e points C and D lie on line b. The letters a and b are separated by two vertical lines. There is a horizontal line with arrows on either end over the letters A A. There is another horizontal line with arrows on either end over the letters C B. A vertical line with a horizontal line intersecting it at the bottom separates the two pairs. There is a horizontal line over the letter A with one arrow on the right end. There is a horizontal line over the letter B with one arrow on the right end. The letters are separated by two vertical lines. There is a horizontal line with arrows on either end over the letters A A. There is another horizontal line with arrows on either end over the letters C B. A vertical line with a horizontal line intersecting it at the bottom separates the two pairs.
Mathematics
1 answer:
ddd [48]3 years ago
5 0
The same way you number
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Help me with this I will give brainliest
BaLLatris [955]

Answer:

see explanation

Step-by-step explanation:

both linear equations will have the form

y = mx + c ( m is the slope and c the y- intercept )

Chef Mate

c(n) = mn + c

calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (2, 14) and (x₂, y₂ ) = (3, 18.5) ← 2 ordered pairs from the table

m = \frac{18.5-14}{3-2} = \frac{4.5}{1} = 4.5 , then

c(n) = 4.5n + c ( n represents ounces )

To find c substitute any ordered pair from the table into c(n)

using (4, 23 )

23 = 18 + c ⇒ c = 23 - 18 = 5

c(n) = 4.5n + 5 ← equation for Chef Mate

--------------------------------------------------------------------

Similarly for Grocery Gourmet

g(n) = mn + c

using (2, 23 ) and (3, 27 ) to find m

m = \frac{27-23}{3-2} = \frac{4}{1} = 4 , then

g(n) = 4n + c

using (4, 31 ) to find c

31 = 16 + c ⇒ c = 31 - 16 = 15

g(n) = 4n + 15 ← equation for Grocery Gourmet

------------------------------------------------------------------

Equate the 2 equations to find when cost is the same

4.5n + 5 = 4n + 15 ( subtract 4n from both sides )

0.5n + 5 = 15 ( subtract 5 from both sides )

0.5n = 10 ( divide both sides by 0.5 )

n = 20

Then when n = 20

c(n) = 4.5(20) + 5 = 90 + 5 = 95

g(n) = 4(20) + 15 = 80 + 15 = 95

Both Chef Mate and Grocery Gourmet charge $95 for 20 ounces of extract

8 0
3 years ago
How many T-shirts would the volleyball team need to purchase from each company for the total cost to be equal
patriot [66]
They need to purchase 13.27372828 shirts
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3 years ago
9x^2-y^2 in factored form
Keith_Richards [23]

Answer:

(3a-y)(3a+y)

Step-by-step explanation:

This is a difference of squares that has the form and factors to:

a^2x^2-b^2 = (ax-b)(ax+b)

Here take the square root of each term for the factors.

9a^2-y^2 = (3a-y)(3a+y)

8 0
3 years ago
Does this relation represent a function?
serious [3.7K]

Answer:

b

Step-by-step explanation:

3 0
4 years ago
(03.01 LC)
Lynna [10]
Answer: root of 18
9+9=x^2
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