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Margaret
1 month ago
5

56. Mikayla is filling a glass sphere with water.

Mathematics
1 answer:
Inessa [12.5K]1 month ago
8 0

Answer:

The least quantity of water needed to fill the sphere is 904.32\ in^{3}

Step-by-step explanation:

We know that

The volume of the sphere (the glass sphere) can be defined as

V=\frac{4}{3}\pi r^{3}

We have

r=12/2=6\ in ----> the radius equals half the diameter

Let’s assume

\pi =3.14

Now substitute

V=\frac{4}{3}(3.14)(6)^{3}

V=904.32\ in^{3}

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For plot QRST, the area is determined by multiplying its length by its width: 12 times 6 equals 72 square units.

With 36 vegetables available for every 9 square units, we can partition 72 by 9 to yield 8 plots of 9 square units.

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We can cultivate 8 types of vegetables, with each type yielding 36 vegetables.
4 0
1 month ago
If Brian biked at an average speed of 12.2 miles per hour for 1.45 hours, you can find the total distance by multiplying Explain
Inessa [12570]

Answer:

The distance he covered is 17.69.

Step-by-step explanation:

Simply multiply 12.2 by 1.45. This calculation yields a total distance of 17.69.

6 0
2 months ago
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Coffee with sugar and milk added to it can contain up to calories. To consume a maximum of 600 mg if caffeine per day, how many
Leona [12618]
Each 16-ounce serving contains 330 mg of caffeine. For 8-ounce servings:
330 mg divided by 2 equals 165 mg.
The limit for caffeine intake is capped at 600 mg.
Calculating for three servings: 165 mg * 3 = 495 mg, which is under the limit.
Calculating for four servings: 165 mg * 4 = 660 mg, exceeding the maximum amount.
Thus, a person can consume 3 full 8-ounce servings daily while remaining within the safety limit.
8 0
1 month ago
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In ΔHIJ, the measure of ∠J=90°, JI = 4, HJ = 3, and IH = 5. What ratio represents the tangent of ∠I?
Inessa [12570]

Answer:

The ratio  \frac{3}{4} corresponds to the tangent of ∠I.

Step-by-step explanation:

Let’s revisit the trigonometric ratios:

  • sin Ф =  \frac{opposite}{hypotenuse}
  • cos Ф =  \frac{adjacent}{hypotenuse}
  • tan Ф =  \frac{opposite}{adjacent}

For triangle HIJ

∵ m∠J = 90°

- The hypotenuse is the side opposite the right angle.

So, HI is the hypotenuse.

∵ HJ = 3 units

∵ IH = 5 units

- We’ll apply the Pythagorean Theorem to solve for HJ.

∵ (HJ)² + (IJ)² = (IH)²

∴ 3² + (IJ)² = 5²

∴ 9 + (IJ)² = 25

- Subtract 9 from both sides.

∴ (IJ)² = 16

- Taking the square root on both sides gives:

∴ IJ = 4 units

To determine the tangent of ∠I, identify the sides that are opposite and adjacent to it.

∵ HJ is opposite to ∠I

∵ IJ is adjacent to ∠I

- Utilizing the rule of tan above:

∴ tan(∠I) = \frac{HJ}{IJ}

∴ tan(∠I) = \frac{3}{4}

The ratio \frac{3}{4} indicates the tangent of ∠I.

7 0
1 month ago
1. Hope's employer deposits her paycheck directly into her checking account. How much would her employer have
lawyer [12517]

Answer:

$284.79

Step-by-step explanation:

Hope has a balance of $284.79 in her account. She receives a paycheck biweekly.

7 0
1 month ago
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