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grigory [225]
2 years ago
8

Guys help me yall for 20 point

Mathematics
2 answers:
shtirl [24]2 years ago
5 0

Answer:

-9

Step-by-step explanation:

9 divided by -9 is -1

-1 +4 = 3

igomit [66]2 years ago
4 0

Answer:

7

Step-by-step explanation:

9/m+4

9/3+4 (m=3)

3+4

7

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A deli is offering two specials. The roast beef special gives a profit of $2.30 per sandwich, and the turkey special gives a pro
nikklg [1K]

Answer:

The constraints are as follows;

1) 2·x + 2·y ≤ 120

2) 3·x + 4·y ≤ 160

3) x = 2.30

4) y = 3.10

5) P = 2.3·x + 3.10

Step-by-step explanation:

The question is a word problem, with the analysis as follows;

The profit from the roast beef special per sandwich = $2.30

The profit from the turkey special per sandwich = $3.10

The number of slices of bread in the roast beef special = Two slices

The number of slices of cheese in the roast beef special = Three slices

The number of slices of bread in the turkey special = Two slices

The number of slices of cheese in the turkey special = Four slices

The number of slices of bread the deli has  = 120 slices

The number of slices of cheese the deli has = 160 slices

Let 'x' and represent the number of roast beef special and 'y' represent the number of turkey special the deli makes, then we have the constraints as follows;

For the number of slices of bread used;

2·x + 2·y ≤ 120...(1)

For the number of slices of cheese used;

3·x + 4·y ≤ 160...(2)

x = 2.30

y = 3.10

The profit 'P' is given by the following equation

P = 2.3·x + 3.10.

5 0
2 years ago
A. Let a, b, c be positive integers and suppose that
kodGreya [7K]

Answer:

Step-by-step explanation:

a|c means that c=a*k k is some positive integer. We know that b|c so b| ak and (a,b)=1, so it must be b|k, i.e k=b*r, r is some positive integer number. Now we have that c=abr, so ab| c.

B) if x and x’ are both solution then we have that

mi | x-x’ for every i.

By a) we have that m1m2...mk| x-x’, so x and x’ are equal by mod od m1m2...mk.

5 0
3 years ago
What would the answer to the equation 3+6x=11-4y be
klemol [59]
         6x + 3 = -4y + 11
               - 3            - 3
               6x = -4y + 8
       6x + 4y = -4y + 4y + 8
       6x + 4y = 8
6x - 6x + 4y = -6x + 8
               4y = -6x + 8
                4           4
                 y = -1¹/₂x + 2
6 0
3 years ago
Could someone help please
Nataly_w [17]

Answer:

110 fence posts

Step-by-step explanation:

102÷6=17

multiply by 2 = 34

330÷6=55

multiply by 2=110

add together= 144 fence posts

3 0
3 years ago
I’ve tried everything.
klio [65]

Answer:

A

Step-by-step explanation:

tell me if im wrong

4 0
2 years ago
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