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2 years ago

Find the slope between (4,-8) and (-1,3).

Mathematics

1 answer:

Lerok [7]2 years ago

5 0

Answer:

Step-by-step explanation:

(4, -8) and (-1, 3), formula used will be $y_{1}-y_{2}$ / $x_{1} -x_{2}$ so:

-1 - (-8)/3 - 4 = -1 + 8/1 = 7/1 = 7

i edited my answer a few times cause i read the points wrongly so just know that this is the correct one.

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3 years ago

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2 years ago

D=h+9 The variable H represents the number of hours worked, and the variable d represents the amount of dough prepared how many

Marta_Voda [28]

Answer:

12 hours

Step-by-step explanation:

If we assume that the units of D are kg, then we can put the given number into the equation and solve.

21 = h +9

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3 years ago

How to combine like terms

aev [14]

Example: $1x+2y+3z+4a+5x+6y+7z+8+9$

We can see that there is more than one number with the variable x, therefore, we say they're ''like terms'' and because of that they can be summed. We do this with all of the other numbers with similar variables. If no numbers with similar variables are left, like 4a, you don't do anything but write them as they are. You can also see that 8 and 9 can also be summed because neither of them has a variable, therefore they're similar.

In this step, you just do the operation with the numbers and keep the same variable.

$(1x+5x)+(2y+6y)+(3z+7z)+4a+(8+9)$

$(6x)+(8y)+(10z)+4a+(17)$

since there are not more numbers similar in variables, this operation is done.

$6x+8y+10z+4a+17$

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2 years ago