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Papessa [141]
3 years ago
5

Sam wants to write an equation to represent a proportional relationship with a constant of proportionality of 6 he write y = 6 +

x
Mathematics
1 answer:
Olin [163]3 years ago
7 0

Answer:

y = 6x

Step-by-step explanation:

The equation representing a proportional relationship is

y = kx ← k is the constant pf proportionality

Here k = 6 , then

y = 6x ← equation of proportion

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2) A 0.4 kg ball moves in horizontal circle of radius 3 mat speed of 100m/s. What
ladessa [460]

9514 1404 393

Answer:

  1333.3 N

Step-by-step explanation:

The centripetal acceleration is given by ...

  a = v^2/r

  a = (100m/s)^2/(3 m) = (10^4)/3 m/s^2

Then the force on the ball is ...

  F = Ma = (0.4 kg)(10^4)/3 kg·m/s^2 ≈ 1333.3 N

3 0
3 years ago
Shelley ran 20 minutes and burned 130 calories. How many calories did Shelly burn per minute?
Savatey [412]
ANSWER

6.5 calories per minute.

EXPLANATION

To find the calories Shelley burned per minute, divide the total calories burned by the total minutes ran.

Calories burned for a minute

= \frac{130}{20}

This will give us,

= \frac{13}{2}

= 6.5 \: calories
3 0
3 years ago
Use a trigonometric function to find each value of x. Round to the nearest tenth if necessary.
Ulleksa [173]

Answer:

4.0

Step-by-step explanation:

Using trig identity Tangent, tangent is equal to opposite / adjacent side. Therefore tan30 = x/7, because x is the side opposite to 30 degrees and it is adjacent to 7, (note: adjacent side is never the hypotenuse)

To save time, tan 30 = sqrt(3)/3,

sqrt(3)/3 = x/7

x = 7*sqrt(3)/3 ~ 4.041

4 0
2 years ago
What is the square root of 10 to the second power
VMariaS [17]

Answer:

10

Step-by-step explanation:

reduce the index of the radical and exponent with 2

|10|

The absolute value of any number is positive

10

5 0
3 years ago
Read 2 more answers
HELP ASAP !!!! CAN SOMEONE HELP ME?!?!
Andreas93 [3]

Answer:

a

Step-by-step explanation:

square formula for area is s^{4}

3 0
2 years ago
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