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3 years ago

Use the circle to answer the questions

Mathematics

1 answer:

insens350 [35]3 years ago

5 0

Answer:

Diameter: 10.8 cm

Circumference (in terms of π): 10.8π cm

Circumference (approximate): 33.91 cm

Step-by-step explanation:

Hi there!

We're given:

The radius (5.4 cm)

1) Determine the diameter

$d=2r$

Multiply the radius 5.4 cm by 2

5.4 × 2 = 10.8

Therefore, the diameter of the circle is 10.8 cm.

2) Determine the circumference of the circle

$C=\pi d$

Plug in the diameter 10.8

$C=10.8\pi$

Therefore, the circumference of the circle in terms of π is 10.8π cm.

3) Determine the approximate circumference of the circle

$C=10.8\pi\\C=10.8(3.14)\\C=33.91$

Therefore, the approximate circumference of the circle is 33.91 cm.

I hope this helps!

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Step-by-step explanation:

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Answer:

$y=-\frac{7}{18}x^2+\frac{41}{18}x+\frac{64}{9}$

Step-by-step explanation:

We need to write a quadratic equation so we can use standard quadratic equation:

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Now we solve those three equations by any method like substitution, or matrices or by any method and get:

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Step-by-step explanation:

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3 years ago

A box has dimensions of 4.0 cm by 8.5 cm by 2.0 cm. The volume of the box in mL is:

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Answer: 68 mL

Step 1: Write volume formula

The formula for volume is often abbreviated into V=l×w×h. This stands for volume= length×width×height.

Step 2: Substitute numbers for answer in cm

To get the answer in cm, simply substitute the numbers into the equation. Then, you may simply multiple them to solve.
V=4.0 cm×8.5 cm×2.0 cm
V= 68 cm

Step 3: Add cubed symbol

Since this is referring to volume, you will need to add the cubed symbol to the end of your answer. This will appear as a number 3 above the cm on the right side.

Step 4: Convert to mL

This is a simple step once you understand the formula to convert. Luckily for us, cm cubed (cm3)= 1 mL. Because of this, the answer will remain as 68 mL

Hope this is right and it helps you!

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3 years ago

Use the circle to answer the questions​

Use the circle to answer the questions