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Goryan [66]
3 years ago
6

A flute case is shaped like a rectangular prism. The caseis 5inches tall, 3 inches wide, and has a volume of 255 cubic inches

Mathematics
1 answer:
Anna [14]3 years ago
7 0

Answer:

The length of the case is 17 inches.

Step-by-step explanation:

A flute case is shaped like a rectangular prism with dimensions:

  • height = 5 inches;
  • width = 3 inches;
  • length = x inches.

The volume of the case is 255 cubic inches.

Use formula for the volume of the rectangular prism:

\text{Volume}=\text{Width}\times \text{Length}\times \text{Height}

Thus,

255=5\cdot x\cdot 3\\ \\255=15x\\ \\x=\dfrac{255}{15}=17

The length of the case is 17 inches.

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What is v?<br> -15V-40 = 23-8V
Andrew [12]

Answer:

V = -9

Step-by-step explanation:

-15V - 40 = 23 - 8V

The objective is to get V alone. To do this, first subtract -15V from both sides. Since -15V is a negative, subtracting it will be adding a positive.

-40 = 23 + 7V

Now that there is only one term with the variable V, subtract 23 from both sides.

-63 = 7V

Finally, divide both sides by 7 to get V completely isolated.

-9 = V.

The final answer is V = -9.

7 0
3 years ago
Read 2 more answers
Can u answer dis?<br><br> will mark brainliest
Grace [21]
The correct answer is B
325-45=280
8x35=280
3 0
2 years ago
I believe the answer is B but I think im wrong
brilliants [131]
The second one is the correct answer. Plug in -3 into the equation.
4 0
3 years ago
ASAP PLEASE HELP An ostrich egg has a mass of 1.2 kg to the nearest tenth of a kilogram. Find the minimum and maximum possible m
katen-ka-za [31]

The maximum possible measurement is 1.25 Kg and the minimum possible measurement is 1.15 kg

<u>Solution:</u>

Given mass of an ostrich egg is 1.2 Kg

We have to find the minimum and maximum possible measurements to the nearest tenth of a kilogram

The greatest possible error in measurement nearest tenth of a kilogram, is a half a tenth of a kilogram which is:-

\frac{1}{2} \times \frac{1}{10}=\frac{1}{20}

Now, the maximum value will be equal to calculated amount plus the error in measurement of value .i.e.

\text { Maximum value }=1.2+\frac{1}{20}=1.2+0.05=1.25

Now, the minimum value will be equal to calculated amount minus  the error in measurement of value .i.e.

\text { Minimum value }=1.2-\frac{1}{20}=1.2-0.05=1.15

Hence, maximum possible measurement is 1.25 Kg

And the minimum possible measurement is 1.15 kg

3 0
3 years ago
The angle of elevation from an observer to the bottom edge of the Delaware River drawbridge observation deck located 200 feet fr
aleksklad [387]

The height of the chimney above the floor of the observation deck is 52.4 ft

Two right angle triangle will be formed.

<h3>Right angle triangle:</h3>

Right angle triangle are triangle that has one of its angle as 90 degrees.

Therefore, using trigonometric ratio,

adjacent side = distance of observer from the bottom edge of the Delaware River drawbridge observation deck

Therefore,

tan 40 = opposite / adjacent

Where

x = height of the observer to the top of the observation deck

tan 40 = x / 200

x = 200 tan 40

x = 167.819926235

x = 167.82 ft

tan 30 = opposite / adjacent

y = height of the observer to the bottom of the observation deck

tan 30 = y / 200

y = 200 tan 30

y = 115.470053838

y = 115.47 ft

The height of the chimney above the floor of the observation deck = height of the observer to the top of the observation deck - height of the observer to the bottom of the observation deck

The height of the chimney above the floor of the observation deck = 167.82 - 115.47 = 52.35 ft

learn more on trigonometric ratio here: brainly.com/question/23854119

5 0
2 years ago
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