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marysya [2.9K]
3 years ago
6

For questions x-x perform the indicated operation. Don't forget to determine the sign of your answer first.

Mathematics
2 answers:
NeX [460]3 years ago
7 0
77.94 - 77.94 + 42.09 = 42.09
that's correct?
Archy [21]3 years ago
7 0

77.94 - 77.94 equals zero because you are subtracting a number from itself.

Then you add 0 to 42.09 to get 42.09.

77.94 - 77.94 + 42.09 =

= 0 + 42.09

= 42.09

The sign of the answer is positive since you are adding a positive nunmber (42.09) to zero.

You might be interested in
What is y-intercept of the graph
Kipish [7]

Answer:

  1a. y-intercept: 12

  1b. slope: -3/2

  1c. equation: y = -3/2x +12

  2a. y-intercept: -9

  2b. slope: 2

  2c. equation: y = 2x -9

Step-by-step explanation:

<h3>1.</h3>

A) We observe the pattern to be <em>x-values in the table increase by 2, while y-values in the table decrease by 3</em>. We notice the first x-value is 2, so extending the table upward to x=0 would tell us the y-intercept. That is, adding 3 to the first y-value will give the y-intercept as (x, y) = (0, 12).

B) We have already observed that the "rise" (change in y) is -3 for each "run" (change in x) of 2. The slope is the ratio of these changes:

  slope = m = rise/run = -3/2

C) From the above, we know that m=-3/2 and b=12. Putting these values into the equation for the line gives ...

 y = -3/2x +12

__

<h3>2.</h3>

A) We observe the pattern to be <em>y-values increase by 2 while x-values increase by 1</em>. As before, we can find the point that would go before the first one shown in the table. It will have an x-value of 0 and a y-value of -9.

  the y-intercept is -9

  the slope is 2/1 = 2

  the equation is y = 2x -9

7 0
2 years ago
What does 12−3/4(d+16)=−5 equal solve for d
Ratling [72]

Answer:

d=20/3 or 6.6 repeating

Step-by-step explanation:

Let's solve your equation step-by-step.

12−

3

4

(d+16)=−5

Step 1: Simplify both sides of the equation.

12−

3

4

(d+16)=−5

12+

−3

4

d+−12=−5(Distribute)

(

−3

4

d)+(12+−12)=−5(Combine Like Terms)

−3

4

d=−5

−3

4

d=−5Step 2: Multiply both sides by 4/(-3).

(

4

−3

)*(

−3

4

d)=(

4

−3

)*(−5)

d=

20

3

Answer:

d=

20

3

3 0
3 years ago
Multi step equation using distributive property answer equals 5
artcher [175]
This equation<span> has x terms on both the left and the right. To solve an </span>equation<span> like this, you must first get the variables on the same side of the </span>equal<span> sign. You can subtract 5x on each side of the </span>equal<span> sign, which gives a new </span>equation<span>: x + </span>5<span> = 10. hope this helps</span>
6 0
3 years ago
Read 2 more answers
How many inches are in 508 centimeters? 1 in. = 2. 54 cm Enter your answer in the box.
devlian [24]

Answer:

1,290.32

Step-by-step explanation:

508 x 2.54

7 0
3 years ago
Read 2 more answers
¿En que se relacionan los<br> recursos y los precios?
GalinKa [24]

Answer: Porque puedes intercambiar ambos, supongo

Step-by-step explanation:

4 0
3 years ago
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