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faust18 [17]
2 years ago
15

Write an expression to represent: Three minus the product of two and a number x

Mathematics
2 answers:
erik [133]2 years ago
8 0

The expression is 3 - 2x

GuDViN [60]2 years ago
8 0

Answer:

3-2x is your answer

Step-by-step explanation:


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Which is the Area of a circle with a diameter of 7 units?
saul85 [17]
Area of a circle = (3.14) * r^2
d = 7
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a = (3.14) * 3.5^2
a = (3.14) * 12.25
a = 38.47
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3 years ago
Consider the line y = 2x–4.
choli [55]

Parallel slope = 2

This is because the original line has slope 2. Parallel lines have equal slopes.

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

Perpendicular slope = -1/2

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8 0
3 years ago
Read 2 more answers
WORTH 19 POINTS!!
marta [7]
You have to make a cos graph that starts its minimum and of -2, has an amplitude of 10, a period of 10 and  a maximum of 18.
I decided to use a cos graph since cos graphs start at their minimum or maximum unlike a sine graph that starts halfway between the minimum and maximum.  You also know the amplitude has to be 10 since 18+2=20 and 20/2=10.  We were also told that the water wheel completels a rotation every 10 minutes which means the period is 10 minutes.

lets start of with a regular cos(x) graph.  This starts on its maximum instead of minimum so we have to multiply it by -1 to get -cos(x) which does start on its minimum.

-cos(x) has an amplitude of 1 instead of 10, to fix that we multiply it by 10 to get -10cos(x) which has an amplitude of 10.
 
-10cos(x) has a period of 2π instead of 10, to fix this we multiply the x by 2π/10 to get -10cos((π/5)x) which now has a period of 10.

-10cos((π/5)x) has a minimum of -10 and maximum of 10 instead of a minimum of -2 and maximum of 18, to fix this we add 8 to -10cos((π/5)x) to get -10cos((π/5)x)+8 which does have a minimum of -2 and maximum of 18.

Therefore the answer is y=-10cos((π/5)x)+8. x being time in minutes and and y being the height in feet.  

I hope this helps.  Let me know if anything is unclear.
8 0
3 years ago
What is the discount price for 52% of 210?<br><br>10,920<br><br>1,092<br><br>158<br><br>109.20​
Elena L [17]

Answer:

the answer is 109.20

3 0
3 years ago
If The 3rd term of an A.S is and 5th term is . What is an A.P?​
guajiro [1.7K]

Answer:

you have to mention the 3rd term of AP and 5th term of AP. Then only we can find the AP.

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