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Nikolay [14]
2 years ago
14

You make party favors for an event. You tie 9 inches of ribbon around each party favor. Write an expression for the number of in

ches of ribbon needed for n party favors.
9n

The ribbon costs $3 for each yard. Write an expression for the total cost (in dollars) of the ribbon.

?

(I'm confused on the second question)

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
5 0

Answer:

y=27x

Step-by-step explanation:

first you have to do 3x9 to get the answer witch is 27 so then it wants an eqation so the eqation would be y=27x

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Which solid has a greater volume
Triss [41]

Answer:

The volume of cylinder and the volume of a cone, have equal volume measurements. So, the answer is C).

Step-by-step explanation:

Cylinder:

-Use the formula for the volume of a cylinder. Use both the radius and height for the formula in order to solve and get the volume:

V = \pi r^2 h

V = \pi 2^2 6

-Solve:

V = \pi 2^2 6

V = \pi \times 2^2 \times 6

V = \pi \times 4 \times 6

V = \pi \times 24

V = 24\pi \approx 75.39

--------------------------------------------------------------------------------------------------------

Cone:

-Use the formula for the volume of a cone and the radius and height for the formula and solve the formula to get the volume:

V = \frac{1}{3} \pi r^2h

V = \frac{1}{3} \pi 3^28

-Solve:

V = \frac{1}{3} \pi 3^28

V = \frac{1}{3} \times \pi \times 3^2 \times 8

V = \frac{1}{3} \times \pi \times 9 \times 8

V = \frac{1}{3} \times \pi \times 72

V = \frac{1}{3} \pi \times 72

V = 24\pi \approx 75.39

-So, according to the volume of a cylinder and the volume of a cone, They both have the same volume.

Cylinder: 75.39 ft^3

Cone: 75.39 ft^3

5 0
3 years ago
the area of a triangle is 384 square feet. If its base is 8 feet longer than its altitude, find the length of the base and the a
REY [17]
A=1/2bh
b=8+h
A=384

384=1/2(bh)
times 2
768=bh
sub
768=b(8+b)
768=8b+b^2
minus 768 both sides
0=b^2+8b-768
factor
0=(b-24)(b+32)
set to zero
b-24=0
b=24

b+32=0
minus 32
b=-32
false, legnths cannot be negative

b=24
24=8+h
minus 8
16=h

base=24ft
altetude=16ft
6 0
4 years ago
1/6 * 3/4<br> could be answers <br> 3/10<br> 1/6<br> 1/8 <br> 4/10
Dominik [7]

Answer:

it's a sooooooo it's the first one

5 0
3 years ago
Read 2 more answers
The equation y=1/2x represents a proportional relationship. What is the constant of proportionality ? I NEED HELP ASAP
hram777 [196]

Answer:

yx14

Step-by-step explanation:

3 0
3 years ago
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HELP HELP HELP HELP HELP
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Answer:

please help brainly.com/question/23055780

Step-by-step explanation:

7 0
3 years ago
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