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Likurg_2 [28]
2 years ago
8

Find unit rate for me pls ? which check marks which box

Mathematics
1 answer:
Scilla [17]2 years ago
5 0

Answer:

the answers are

60

90

30

30

60

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A decorator uses the expression 6s2 to model the minimum amount of fabric needed to cover an ottoman in the shape of a cube. If
erastova [34]

Answer:

Divide the measurement by 36 to determine the number of yards needed. For example, if the pattern pieces cover an area of floor equal to 72 inches in length, then divide 72 by 36 to get 2, the number of yards of 54-inch wide fabric needed for the ottoman.

5 0
2 years ago
NEED HELP BRANLIEST TO FIRST ANSWER
Juliette [100K]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
Gravel is being dumped from a conveyor belt at a rate of 20 ft3/min, and its coarseness is such that it forms a pile in the shap
11Alexandr11 [23.1K]

Answer:

0.25 feet per minute

Step-by-step explanation:

Gravel is being dumped from a conveyor belt at a rate of 20 ft3/min. Since we are told that the shape formed is a cone, the rate of change of the volume of the cone.

\dfrac{dV}{dt}=20$ ft^3/min

\text{Volume of a cone}=\dfrac{1}{3}\pi r^2 h

Since base diameter = Height of the Cone

Radius of the Cone = h/2

Therefore,

\text{Volume of the cone}=\dfrac{\pi h}{3} (\dfrac{h}{2}) ^2 \\V=\dfrac{\pi h^3}{12}

\text{Rate of Change of the Volume}, \dfrac{dV}{dt}=\dfrac{3\pi h^2}{12}\dfrac{dh}{dt}

Therefore: \dfrac{3\pi h^2}{12}\dfrac{dh}{dt}=20

We want to determine how fast is the height of the pile is increasing when the pile is 10 feet high.

h=10$ feet$\\\\\dfrac{3\pi *10^2}{12}\dfrac{dh}{dt}=20\\25\pi \dfrac{dh}{dt}=20\\ \dfrac{dh}{dt}= \dfrac{20}{25\pi}\\ \dfrac{dh}{dt}=0.25$ feet per minute (to two decimal places.)

When the pile is 10 feet high, the height of the pile is increasing at a rate of 0.25 feet per minute

5 0
3 years ago
Find the surface area
xz_007 [3.2K]

Answer:

base -l*b - 13*6.5 - 84.5

6 0
3 years ago
Help me answer for 11 points
Tcecarenko [31]

Answer:

Just Transposition...

Step-by-step explanation:

12×7=84=d

92-49=43=e

28+57=85=f

96÷16=6=g

11×8=88=h

95+5-29=100-29=71=I

55-6+21=70=j

88+8÷4=96÷4=16=k

19+24-97=-97-43=54=m

-20+17+61=61+3=64=n

hope it helps

4 0
3 years ago
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