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2 years ago

Answer this please thanks

Mathematics

2 answers:

taurus [48]2 years ago

6 0

Answer:

Step-by-step explanation:

The first 3 boxes are proportional since they have a ratio of 1:3, but 6:21 is not proportional to the others.

d1i1m1o1n [39]2 years ago

3 0

Answer:

No it is not proportional.

Step-by-step explanation:

This is not proportional because

2 times 3 = 6

4 times 3 = 12

8 times 3 = 24

but,

6 times 3 = 18 not 21 so it is not proportional.

Hope this helped! Ask me any questions if needed!

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MAXImum [283]

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3. 1.56

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2 years ago

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Solve the following equation x2+6x=27 x = and

Gekata [30.6K]

Answer:

Step-by-step explanation:

Assuming the question is x^2 + 6x = 27x, subtract 6x from both sides. x^2 = 21x. Then, divide both sides by x and you get x= 0, 21

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2 years ago

When a force of 30 N acts on a certain object the acceleration of the object is 5m/s2 if the force is changed to 54 N what will

PtichkaEL [24]

Answer:

The correct answer is 9 m per $second^{2}$

Step-by-step explanation:

Force is defined by mass of an object times it's acceleration.

Let the mass of the object be m kilograms.

When a force of 30 N acts on a certain object the acceleration of the object is 5 m per $second^{2}$

∴ 30 = m × 5

⇒ m = 6.

If the force is changed to 54 N, let the acceleration of the object be x m per $second^{2}$ .

∴ 54 = m × x

⇒ x = $\frac{54}{6}$ = 9

Thus when the force is 54 N, the acceleration of the object is 9 m per $second^{2}$ .

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3 years ago

Una botella de refresco contiene 0.025 g de agua carbonatada en 1.5 litros de solución calcula las ppm de agua carbonatada los d

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Answer:

Choose one law below write a five paragraph cause effect essay.

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• In Chicago, Illinois, It is illegal to give a dog whiskey.

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• In Galesburg, Illinois, No bicyclist may practice “fancy riding” on any city street.

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7 0

2 years ago

What is the area of a sector with a central angle of 2π/9 radians and a radius of 16.7 ft?

Y_Kistochka [10]

Answer:

Area of the sector is 97.30 square feet.

Step-by-step explanation:

The area of the sector is given by

$A=(\frac{\theta}{2})r^2$

Plugging the known values in this formula to find the area of the sector

$A=(\frac{2\pi/9}{2})(16.7)^2\\\\A=\frac{2\pi}{18}\cdot16.7^2$

Use the value of π as 3.14

$A=\frac{2\cdot3.14}{18}\cdot16.7^2$

Simplifying, we get

$A=97.3016$

Rounded to the nearest hundredth, we get

$A=97.30$

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3 years ago

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