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Mariulka [41]
3 years ago
10

Joshua dove 12 feet under a wave in 3 seconds. Find the average change in feet per seconds

Mathematics
2 answers:
kow [346]3 years ago
5 0
-4 feet per second.
aleksley [76]3 years ago
3 0

Answer:

4 feet per seconds

Step-by-step explanation:

Average Change = Distance/Time

Average Change = 12 feet/3 seconds

Average Change 4 feet/seconds

Therefore, the answer is 4 feet per seconds.

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Find the volume of the figure below.
kiruha [24]

Hello!

To find the volume of a cylinder, use the formula: V = πr²h.

In the formula, r is the radius, and h is height of the figure.

In the given figure, the height of the cylinder is 8 feet and the radius is 5 feet. With those values, we can find the volume of the given figure.

V = π(5)²(8)

V = π(25)(8)

V = 200π, 628.32 (multiplied by π), 628 (multiplied by 3.14)

Therefore, the volume of this cylinder is 628.32 feet cubed.

8 0
3 years ago
How can you tell from a table of values if a relationship is proportional?
dusya [7]
C- in the table every ratio y/x is equal so the relationship is proportional
4 0
2 years ago
A litre bottle of KERPOW washing up liquid costs £1.95.
Alex_Xolod [135]

Answer:

<u>500 washes</u>

Step-by-step explanation:

<u>Number of washes</u>

  • Total volume / Volume used each time
  • 5 L / 10 mL

But remember : 1 L = 1000 mL

  • 5000 mL / 10 mL
  • <u>500 washes</u>
4 0
2 years ago
Which expression is equivalent to sqrt8x^7y^8? assume x&gt;0
Ilia_Sergeevich [38]

Answer:

\sqrt{8x^7y^8= 2x^3y^4 * \sqrt{2x}

Step-by-step explanation:

Given

\sqrt{8x^7y^8

Required

Evaluate

\sqrt{8x^7y^8

Separate each factor with multiplication sign

\sqrt{8*x^7*y^8

Express 8 as 4 * 2 and x^7 as x^6 * x

\sqrt{4 * 2 *x^6 * x*y^8

Split each factor

\sqrt{4} * \sqrt{2} *\sqrt{x^6} * \sqrt{x}*\sqrt{y^8}

Evaluate \sqrt4

2 * \sqrt{2} *\sqrt{x^6} * \sqrt{x}*\sqrt{y^8}

Apply law of indices:

2 * \sqrt{2} * x^{6*\frac{1}{2}} * \sqrt{x} * y^{8*\frac{1}{2}}

2 * \sqrt{2} * x^3 * \sqrt{x} * y^4

Reorder

2* x^3 * y^4 * \sqrt{2}  * \sqrt{x}

2x^3y^4 * \sqrt{2}  * \sqrt{x}

2x^3y^4 * \sqrt{2*x}

2x^3y^4 * \sqrt{2x}

2x^3y^4 \sqrt {2x

Hence:

\sqrt{8x^7y^8= 2x^3y^4 * \sqrt{2x}

8 0
3 years ago
Read 2 more answers
Simplify (6 1/4)4 plz help
Ostrovityanka [42]

(6 + 1/4)·4 = (6·4) + (1/4·4) = 24 + 1 = 25

Or, you can convert the mixed number to the improper fraction 25/4 and then multiply by 4 to get 25.

6 0
3 years ago
Read 2 more answers
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