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murzikaleks [220]
3 years ago
11

How do I do standard form with variables and things??

Mathematics
1 answer:
natka813 [3]3 years ago
3 0
I don't know how to explain but i can show you and example
so when you get a problem like this:
12x + 13x
At first you ignore the variables and add like normal:
12+13= 25
then you and the variable at the end of your sum
Answer: 25x

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Find the x- and y-intercepts of the line with equation 8x - 4y = -64
maw [93]

Answer:

x-intercept:8

y-intercept:16

Step-by-step explanation:

This is the equation of a straight line. When the line crosses the x-axis that is the x- intercept, the corresponding y-coordinate will be zero. Substituting y = 0 into the equation and solving for x gives the x-intercept.

8x-(4×0)=-64

         -8x=-64

             x=8   <=  the x-intercept.

Similarly, when the line crosses the y-axis the corresponding x- coordinate will be zero. Let x = 0 and solve for y.

(8×0)-4y=-64

        -4y=-64

           y=16    <=  the y-intercept .

7 0
3 years ago
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prohojiy [21]
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4 0
2 years ago
Express the followinf percentage as a fraction<br> a) 6 3/5%
Mandarinka [93]

Answer:

6.6/100 or 3.3/5

Step-by-step explanation:

6.6% or 6 3/5% now since those are all out of 100 (since percentages) you just put #/100 and get your fraction

6 0
2 years ago
Nima can mow 18 yards in 6 days. Which strategy can be used to determine how many yards Nima can mow in 20 days?
alekssr [168]
6×3=18 this is the closets to twenty. 
18×3=54   
3×2=6 
54+6=60 


Nima can mow 60 yards in twenty days.
4 0
3 years ago
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a spinner has 3 equal sections labeled red, purple ,and yellow how many times would you expect to land on red if you doin it 24
torisob [31]

Answer:

8 times

Step-by-step explanation:

we have a 1/3 chance per spin to land on red

so we would expect it to land 33.3% of the time

1/3*24=8

another easy way is to divide by 3

24/3=8

6 0
3 years ago
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