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Lelechka [254]
3 years ago
7

How do I graph this?

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
3 0

Answer:


Step-by-step explanation:

you're going to have a vertical line at -1, and then shade the region to the left. The line should be dashed, not solid.

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Joel made egg sandwiches and tuna sandwiches in the ratio 2:3. He then made 15 more tuna sandwiches and the ratio changed to 1:3
Aleksandr [31]

Answer:

40 sandwiches

Step-by-step explanation:

egg sandwiches : tuna sandwiches

 2                         : 3

Multiply by x  because we do not know how many sandwiches, just the ratio

2x                       : 3x


Add 15  tuna sandwiches

2x                       : 3x+15

Now the ratio is 1:3


egg sandwiches : tuna sandwiches

 1                         : 3

Multiply by y  because we do not know how many sandwiches, just the ratio

y                           : 3y


Set the number of egg sandwiches equal

2x =y

then set the number of tuna sandwiches equal

3x+15 = 3y

We know have a system of 2 equations and 2 unknowns

Substitute y =2x into the second equation

3x+15 = 3(2x)

Distribute

3x+15 = 6x

Subtract 3x from each side

3x-3x+15 = 6x-3x

15 =3x

Divide by 3

15/3 = 3x/3

5 =x


egg sandwiches : tuna sandwiches

 2                         : 3

Multiply by x  because we do not know how many sandwiches, just the ratio

2x                       : 3x

2*5                        3*5

10                             15


He originally made 10 egg sandwiches and 15 tuna sandwiches

Then he made 15 more tuna sandwiches

The total number of sandwiches he made is

10+15+15 = 40 sandwiches  




5 0
2 years ago
USE ESTIMATION Mr. Lycan is considering buying clay from two art supply companies. Company A sells 50-pound containers of clay f
Anettt [7]

Answer:

y=$24x+$42 A

y=$28x×$25 B

Step-by-step explanation:

8 0
3 years ago
Please help on this will mark the first answer brainliest
vova2212 [387]

Answer:

The equation is 3n + 13 = 40 The triplets are 9 years old

Step-by-step explanation:

5 0
2 years ago
Giving brainliest !! *easy*
taurus [48]

Answer:

To convert an angle measure to radians, multiply it by pi/180.

Step-by-step explanation:

310 * pi/180 = 31pi/18 = 5.41 rad

4 0
3 years ago
Read 2 more answers
A toy plane moves at a constant speed of 2m/s. How long will it travel a distance of 42 meters?
Tpy6a [65]

Answer:

option A. 21 sec

Step-by-step explanation:

Speed = the distance over the time

Given:

Speed = 2 m/s  and distance = 42 m and time = t

So,

2 = 42/t

Solve for t

t = 42/2 = 21 sec.

The answer is option A. 21 sec

7 0
3 years ago
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