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almond37 [142]
3 years ago
10

Manuel builds and sells wooden crates. He made this table to show how much his crates cost in dollars.

Mathematics
2 answers:
Elina [12.6K]3 years ago
7 0
The difference between the costs is $20 and the difference in the crates is 2 so the slope is 20/2=10, the coefficient for x.
The equation then is y-k=10(x-h) where (x,y) is a pair of values from the table: (2,25), (4,45), (6,65), (8,85). Eliminate answers A and C because the coefficient is -10. Answer D has the (h,k) values the wrong way round, but B is correct in all respects so B is the answer.
WINSTONCH [101]3 years ago
7 0

the answer is b i took the test and got it right


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<img src="https://tex.z-dn.net/?f=%28x%20-%207%29%28y%20-%209%29" id="TexFormula1" title="(x - 7)(y - 9)" alt="(x - 7)(y - 9)" a
Snezhnost [94]

Remark

There are occasions where this is very handy to know. Use FOIL.

Solve

F: (First): x*y = xy

O: (Outside): x *(-9) = - 9x

I:(Inside): (-7)*y = - 7y

L:(Last): (-7)*(-9) = 63

Add the terms together

xy - 9x - 7y + 63   <<<< Answer


4 0
3 years ago
Subtract (-4305) from |(-2508)+(-3502)|​
jeka57 [31]

answer:

10315

I used a calculator

step by step

(- 4305) - |(-2508) + (- 3502)|

Rewrite

Remove the parentheses

4305 - |

Calculate

4305 - |

- 2508 - 3502

- 6010

Calculate the absolute value

- 4305 - 6010

Calculate

Solution

- 10315

3 0
3 years ago
By which smallast number must the following number be divided so that the quotient is a perfect cube
jenyasd209 [6]

Answer:

60

Step-by-step explanation:

8640/60 is 144. 144 is a perfect square. 12*12 is 144

8 0
2 years ago
Read 2 more answers
Which set of data does not have a mode?
Y_Kistochka [10]

Answer:

FIRST ONE

Step-by-step explanation:

NO NUMBER REPEATS ITSELF

4 0
3 years ago
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On a map, 1 inch equals 25 miles. Two cities are 2 inches apart on the map. What is the actual distance between the cities?
Levart [38]
The actual distance between the cities is 50 miles
4 0
2 years ago
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