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julia-pushkina [17]
3 years ago
14

In a science experiment an independent variable is

Mathematics
1 answer:
kvasek [131]3 years ago
6 0
A variable that remains unchanged throughout the experiment.
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Solve the inequality <br> -7&lt;3x+5 less than or equal to(no sign for that)7
olganol [36]

Answer:

x=-1

Step-by-step explanation:

-7 < 3(x) + 5 ≤  7

-7 < 3(-1) + 5 ≤  7

-7 < -3 + 5 ≤  7

-7 < 2 ≤  7

6 0
3 years ago
How many 2/3 cups servings are in a 4 cup container of food
tatyana61 [14]
2/3×4= 2 2/3
the answer is 2 cups container of food
6 0
3 years ago
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Need help with math question
mote1985 [20]

Answer:

(-7,4)

Step-by-step explanation:

goal: (y-k)^2=4p(x-h)

y^2-8y=4x+12    Rearranged and added 4x and 12 on both sides

y^2-8y+(-8/2)^2=4x+12+(-8/2)^2 complete square time (add same thing on both sides)

y^2-8y+(-4)^2=4x+12+(-4)^2 (simplify inside the squares)

(y-4)^2=4x+12+16  (now write the left hand side as a square)

(y-4)^2=4x+28

(y-4)^2=4(x+7)    factored...

vertex is (-7,4)

4 0
3 years ago
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At a county fair 9 people out of 1000 earned a perfect score in a carnival game what decimal represent the number of people who
coldgirl [10]
0.009 people because 9/1000 is 0.009<span />
5 0
3 years ago
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Solve the following systems of equations.<br> 2= 2y + 5<br> | 3y - 3x = -12
ivanzaharov [21]

Answer:

x=5/2, y=-3/2. (5/2, -3/2).

Step-by-step explanation:

2=2y+5

3y-3x=-12

--------------

2-5=2y

2y=-3

y=-3/2

3(-3/2)-3x=-12

-9/2-3x=-12

3x=-9/2-(-12)

3x=-9/2+12

3x=-9/2+24/2

3x=15/2

x=(15/2)/3

x=(15/2)(1/3)

x=15/6=5/2

7 0
3 years ago
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