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Sonbull [250]
3 years ago
13

Helppppppppppppppppppppp​

Mathematics
2 answers:
yawa3891 [41]3 years ago
8 0

Answer:

$7.20

Step-by-step explanation:

60% of 4.5 = 2.7

4.5+2.7 = $7.2

Hitman42 [59]3 years ago
8 0

Answer:

7.2

Step-by-step explanation:

So u do 60% of 4.5 and add ur answer to 4.5

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∆ABC is dilated using a scale factor of 12 to produce ∆A'B'C'.
Contact [7]

Answer:

C, F.

Step-by-step explanation:

All angle measures are preserved in a dilation. And if all angle measures are preserved, it makes the triangles similar by the AA similarity theorem.

7 0
3 years ago
Geometry <br> Surface area and volume
Zigmanuir [339]

Answer:

volume=558.9

Step-by-step explanation:

find the volume of the cone and the hemisphere and add them together

<u>cone:</u>

Vcone=\pi r^{2} \frac{h}{3} \\\\V=\pi (5.3)^2(\frac{8.4}{3} )\\V=\pi (28.09)(2.8)\\V=247.09\pi \\V=247.1

<u>hemisphere:</u>

<u></u>Vhemisphere=\frac{2\pi r^3}{3} \\V=\frac{2\pi (5.3)^3}{3} \\V=\frac{2\pi (148.877)}{3} \\V=\frac{297.754\pi }{3} \\V=\frac{935.421}{3}\\ V=311.8

<u>add the volumes together:</u>

<u></u>Vol=247.1+311.8\\Vol=558.9

6 0
2 years ago
The force of an object (f) is equal to its mass (m) times its acceleration (a). Thus, the formula for calculating force is f = m
irina [24]
Acceleration = force ÷ mass: a = f/m
3 0
3 years ago
Read 2 more answers
What is the turning point or vertex of the parabola whose question is y=3x^2+6x-1
Anastaziya [24]

Answer:

I'm pretty sure the vertex is (-1, -4); apologizes if the answer turns out to be wrong

Step-by-step explanation:

as much as I would like to, I'm really not that great at explaining things

4 0
4 years ago
WILL BE MARKED BRAINLIEST!!!! <br> x-y=4 <br> How do you get the y alone?
yanalaym [24]

The answer is y = x-4.

<u>Step-by-step explanation</u>:

  • The given expression is x-y=4
  • Keep y alone on one side and move remaining terms to the other side.

⇒ -y = 4-x

  • To have y alone, Multiply the above expression with -ve sign on both sides.

⇒ y = x-4

5 0
3 years ago
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