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nordsb [41]
2 years ago
6

During a drought, the water level in a reservoir dropped 3 in. each week for 5 straight weeks. Express the overall change in wat

er level as a signed number.​
Mathematics
1 answer:
aliina [53]2 years ago
6 0

Answer:

v = -3w

Step-by-step explanation:

water level/volume = -3 x weeks

v = -3w

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15. A cylindrical glass 10 cm tall and 8 cm in diameter is filled to 1 cm
ANTONII [103]

Answer:

No. The new height of the water is less than the height of the glass(6.33 cm<10 cm)

Step-by-step explanation:

-For the water in the glass to overflow, the volume of the inserted solid must be greater than the volume of the empty space or the ensuing height of  water >height of glass.

#Volume of the golf ball:

V=\frac{4}{3}\pi r^3\\\\=\frac{4}{3}\pi \times 4^3\\\\\approx 268.08\ cm^3

#The volume of the water in the glass:

V=\pi r^2 h\\\\=\pi \times 4^2\times 10\\\\\approx 50.27\ cm^2

We then equate the two volumes to the glass' volume to determine the new height of the water:

V=\pi r^2h\\\\(206.08+50.27)=\pi r^2 h\\\\h=318.35/(\pi \times 4^2)\\\\=6.33\ cm

Hence, the glass will not overflow since the new height of the water is less than the height of the glass(6.33 cm<10cm).

4 0
3 years ago
Choose ALL that apply:
Anni [7]
The executor of an estate handle the financial matters, D
They also handle the property and everything else owned by their deceased client. including the sortment or thier "will".
7 0
3 years ago
The matrix below represents a system of equations.
UkoKoshka [18]

Answer:A

Step-by-step explanation:

just took it

7 0
1 year ago
Bryan cuts a piece of cardboard in the shape of a trapezoid.the area of the cutout is 43.5 square centimeters.if the bases are 6
Nimfa-mama [501]
<span>trapezoid area = ((sum of the bases) ÷ 2) • height
height = </span>trapezoid area / ((sum of the bases) ÷ 2)
height = 43.5 / ((6 + 8.5) / 2)
height = 43.5 / ((14.5) / 2)
height = 43.5 / (7.5)
height = 6 centimeters

Source:
http://www.1728.org/quadtrap.htm


4 0
3 years ago
What is the product written in scientific notation?
wel
Answer is C. Definitely not d right off the bat because both exponents are negative so cross that out. After that its just counting zeros.
5 0
3 years ago
Read 2 more answers
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