MATHEMATICS HIGH SCHOOL

Three restaurants sell turkey sandwiches in a small town: Delicious Deli, Garden Fresh, and Uptown Eatery.Delicious Deli sells 5 turkey sandwiches for $20.00.
Garden Fresh sells 2 turkey sandwiches for $8.50.
Uptown Eatery sells 3 turkey sandwiches for $13.50.
The graph shows Delicious Deli’s turkey sandwich sales, where x represents the number of turkey sandwiches sold, and y represents the total cost.

Answers

Answer 1

Answer:

Answer:

$4 per Turkey

Step-by-step explanation:

Look on the graph and follow every number to the cost:

2 Turkeys: $8

4 Turkeys: $16

5 Turkeys: $20

Notice how there is a Pattern:

8, 16, and 20 are all multiples of 4

4 x 2 = 8

4 x 4 = 16

4 x 5 = 20

So, the constant of proportionality for the coast per sandwich and Delicious Deli is $4

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What is the additive inverse of 4x
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What is 7(9n − 3) − 7n
In order please
simply

Answers

Answer:

n= 3/8

Step-by-step explanation:

63n -21 -7n

63n - 7n = 21

56n = 21

n= 3/8 or 0.375

Answer: 56n-21

Step-by-step explanation:

7(9n-3)-7n Multiply parenthesis

63n-21-7n

SUBTRACT 63n-7n- 56n

Answer is: 56n-21

We leave 21 alone because it is a constant. We leave 56n alone because there is no like term with the variable n.

Solve the equation 8x-12=5x+15

Answers

8x-12=5x+15
add 12 to both sides

8x=5x+27
subtract 5x from both sides

3x=27
divide by 3

x=9

8x = 5x + 27 Add 12 to both sides

3x = 27 Subtract 5x from both sides

x = 9 Divide both sides by 3

What is 16,700,000,000,000,000 estimated as the product of a single digit and a power of 10?

Answers

First, the number of zeros you have is the power of 10 and as a product, it would look like:
167*10^14.

But we need a number with a single digit which means we have to divide 167 by 100=10^2. In order to have the same equation, we need also to multiply by 10^2. Now it would look like:

1.67 * 10^14* 10^2 = 1.67* 10^16
Now 1.67 rounded up is 2. The final solution is:

2* 10^16

16,700,000,000,000,000 = 1.67 x 10^16

start at the last 0....count the number of spaces till u can get a decimal right after the first digit....thats 16 spaces. Now take ur numbers that are not 0...1.67....and multiply it by 10^16...because of the 16 spaces. I hope I am making some kind of sense...I am better at doing then explaining how to do...lol

The power generated by a wind turbine depends on the wind speed . The expression 800 v^3 gives the power in watts for a certain wind turbine at wind speed v in meters per second . If the wind speed triples , by what factor does the power generated by the wind turbine increase ? 2) Can you write the expression 49x^2y^2z^2 using only one exponent ? Show how or explain why not ?

Answers

Power = 800v³

If the speed triples, v is replaced by 3v.

Power = 800*(3v)³ = 800*27v³ = 27*(800v³)

The power increases by 27 times.

2) 49x²y²z²

The expression can be written using one exponent

49x²y²z² = 7²* x² *y² * z² = (7xyz)²

= (7xyz)²

1. it would increase by 27 times
in other words, 3^3 times

2. You can rewrite the expression using one exponent because each variable is being squared and multiplied by each other
if you had 3^2 x 4^2 it would be 144 (9 x 16)
same as if you had (3 x 4)^2 which is 12^2, which is also 144
the expression would be (7xyz)^2

The sum of 3 consecutive integral numbers is 117. Find the numbers. need all 3 numbers

Answers

x + (x+2)+(x+1) = 117
3x+3 = 117
3x = 120
x = 40
ANSWER = 40, 41, 42

Identify the 27th term of an arithmetic sequence where a1 = 38 and a17 = -74. -20.5
-151
-22.75
-144

Answers

Arithmetic sequence:
an=a1+(n-1)d
$a_(17)= a_(1)+16d -74=38 + 16d 16d=-74-38 16d=-112$
d=-112/16=-7
$a_(27)=a_(1) + 26d=38+26*(-7)=38-182=-144$
Answer: D)-144

Answer:

d) -144

Step-by-step explanation:

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