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3 years ago

which statements are true regarding the equation? sorry it's blurry it's the best photo i could get of it all.

Mathematics

1 answer:

12345 [234]3 years ago

5 0

Given that 2 large puzzle costs $16 then

2l=16

l=8

That means cost of 1 large puzzle = $8

Given that 3 small puzzle costs $15 then

3s=15

s=5

That means cost of 1 small puzzle = $5

Now we will use this information to find the correct choice.

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First choice is wrong as coefficient 8 is with 8l so that gives cost of 1 large not small puzzle.

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Second choice is correct as coefficient 8 is with 8l so that gives cost of 1 large puzzle.

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Third choice is correct as coefficient 5 is with 5s so that gives cost of 1 small puzzle.

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Fourth choice is Wrong as coefficient 5 is with 5s so that gives cost of 1 small not large puzzle.

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Fifth choice is wrong as constant 128 gives total cost of not the total number of puzzles.

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Question below

Artemon [7]

for every completed length of audiobook, Zhen spends 6.5 hours working.

C.Zhen spends 6 1/2 hours working per audiobook

6 0

3 years ago

Rosa is building a guitar. The second fret is 33.641\,\text{mm}33.641mm33, point, 641, start text, m, m, end text from the first

Wittaler [7]

Answer:

$65.39\ mm$

Step-by-step explanation:

Given

The second fret is $33.641\ mm$ from the first fret.

The third fret is $31.749 mm$ from the second fret.

Distance of third fret from the first fret $=$

Distance from first fret to second fret $+$ Distance from second fret to third fret.

$=33.641+31.749\\=65.39\ mm$

Hence, we can see the third fret is $65.39\ mm$ from the first fret.

5 0

3 years ago

Please help me! I got to get this done quickly! WILL GIVE BRAINLIEST

asambeis [7]

Answer:

x=29

Step-by-step explanation:

(x+3)+(x-1)+(x+1)=90

x+3+x-1+x+1=90

3x+3=90

3x=90-3

x=87/3

x=29

x+3=32

x+1=30

x-1=28

Checking

(x+3)+(x-1)+(x+1)=90

(29+3)+(29-1)+(29+1)=90

32+28+30=90

90=90

8 0

4 years ago

If the price of gas is $3.56 a gallon how much will it cost to fill a 15 gallon tank

algol [13]

Answer:

$53.4

Step-by-step explanation:

calculator

just multiply 3.56 x 15 = 53.4

6 0

3 years ago

SOLUTIONS FOR SYSTEMS OF EQUATIONS

Mrrafil [7]

1. Solving an order system

2. Let us solve this one by combining the two equations:

2x – y = 7

2y = 4x – 14 --> y = 2x – 7

combine:

2x – (2x – 12) = 7

2x – 2x + 7 = 7

0 + 7 = 7

7 = 7

No variable at the end, therefore infinite solutions

3. From the given equations itself, we can see that this is impossible to have solutions, therefore:

{}

4. y – x = -1 --> y = x – 1

x + (x – 1) = -5

2x – 1 = -5

x = -2

y = x – 1 = -2 – 1 = -3

(-2, -3)

5. x = y

x + x = 4

2x = 4

x = 2 = y

(2, 2)

1 solution

6. x – y = 2 --> x = 2 + y

3 (2 + y) + 2y = 6

6 + 3y + 2y = 6

5y = 0

y = 0

x = 2 + y = 2

(0, 2)

1 solution

7. 4x + (x + 6) = 1

5x + 6 = 1

5x = -5

x = -1

y = x + 6 = -1 + 6 = 5

(-1, 5)

8. x – y = 5 --> x = 5 + y

2 (5 + y) + y = 1

10 + 2y + y = 1

3y = -9

y = -3

x = 5 + y = 5 – 3 = 2

(2, -3)

1 solution

6 0

3 years ago

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