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2 years ago

I'm bored.....................

Mathematics

2 answers:

kogti [31]2 years ago

7 0

Answer:

same

Step-by-step explanation:

leonid [27]2 years ago

3 0

Answer:

SAME

Step-by-step explanation:

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The windscreen wiper of a car sweeps

AVprozaik [17]

Answer:

A ≈ 530 cm²

Step-by-step explanation:

The swept area equals the total area covered by the blade minus the unswept area.

The area of a sector with radius r and angle θ is:

A = (θ / 360) πr²

So the swept area is:

A = (θ / 360) πR² − (θ / 360) πr²

A = (θ / 360) π (R² − r²)

A = (150 / 360) π (21² − 6²)

A ≈ 530 cm²

6 0

2 years ago

Laura picks 7 apples.Some apples are red and some are green. Fewer than 4 of the apples are red. How many of laura's apples coul

GrogVix [38]

Answer:

As many as 7 apples or as few as 4 apples could be green.

Step-by-step explanation:

Laura picks 7 apples.Some apples are red and some are green. Fewer than 4 of the apples are red. How many of laura's apples could be green?

x = total number of red apples

y = total number of green apples

Fewer than 4 of the apples are red.

x<4

That means that 3 or less of the apples are red

So, 7 - 3 = 4

That means that 4 or more apples are green.

7≥y≥4

That means that as many as 7 apples or as few as 4 apples could be green.

7 0

2 years ago

The equation 3y=5x represents a proportional relationship. what is the constant of proportionality for this relationship

Citrus2011 [14]

The constant of proportionality for this relationship is $\frac{5}{3}$

Step-by-step explanation:

Proportional relationship is the relation between two variables that vary directly with each other

If x and y are proportion, then y = k x, where k is the constant of proportionality
If x and y are proportion, then $\frac{y}{x}=k$ , where k is the constant of proportionality

∵ The equation is 3 y = 5 x

∵ x and y are proportional

- That means y = k x, where k is the constant of proportionality

∴ Put the equation in the form y = k x

- Divide both side by the coefficient of y

∵ The coefficient of y is 3

∴ Divide both sides of the equation by 3

∴ y = $\frac{5}{3}$ x

- The value $\frac{5}{3}$ is constant

∴ k = $\frac{5}{3}$

∵ k represents the constant of proportionality

∴ The constant of proportionality = $\frac{5}{3}$

The constant of proportionality for this relationship is $\frac{5}{3}$

Learn more:

You can learn more about the proportional relationship in brainly.com/question/10708697

#LearnwithBrainly

4 0

2 years ago

What is the answer of number 12 and 13?

Ksju [112]

Answer:

Step-by-step explanation:

the answer is 13 and 2.2

3 0

2 years ago

A number of two digits is six times the sum of its digits and if 9 is subtracted from it,its digits will be reversed

OLEGan [10]

Answer:

The number is 54

Step-by-step explanation:

4 0

2 years ago