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3 years ago

Plz help, asap!!

Mathematics

2 answers:

kicyunya [14]3 years ago

8 0

Answer:

Perimeter of base: 50 cm

Height: 30 cm

Base area: 60 cm

Volume: 21,600 cm

Surface area: I am sorry I forget how to do surface area, but I hope everything else helps.

Step-by-step explanation:

perimeter of base: 50 cm

13+13=26+24=50

Height: 30 cm

already shows height.

Base area: 60 cm

1) 24/2=12 2) 5*12=60

Volume: 21,600 cm

Length*Base*height/2=24*60*30=43,200/2=21,600

surface area:

Sorry I forget how to do surface area.

ella [17]3 years ago

4 0

Answer:

Perimeter of base: 50 cm

Height: 30 cm

Base area: 60 cm

Volume: 21,600 cm

Surface area: I am sorry I forget how to do surface area, but I hope everything else helps.

Step-by-step explanation:

perimeter of base: 50 cm

13+13=26+24=50

Height: 30 cm

already shows height.

Base area: 60 cm

1) 24/2=12 2) 5*12=60

Volume: 21,600 cm

Length*Base*height/2=24*60*30=43,200/2=21,600

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LenKa [72]

Answer:

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Step-by-step explanation:

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3 0

3 years ago

Help me ASAP for this question

ivann1987 [24]

Answer: Y= 2x

Step-by-step explanation:

1 x 2 = 2

3.4 x 2 = 6.8

5 x 2 = 10

7 x 2 = 14

So. Y = 2x

4 0

3 years ago

The diameter and height of this cylinder are equal to the side length,S,of the cube in which the cylinder is imscribed. What is

max2010maxim [7]

$V=B\times H$
$V=\pi r^{2}h$
$V=\pi (\frac{d}{2})^{2}h$
$V=\pi (\frac{s}{2})^{2}s$
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3 0

4 years ago

Melissa buys 2 1/2 pounds of salmon and 1 1/4 pounds of swordfish. She pays a total of $31.25, and the swordfish cost $.20 per p

julsineya [31]

Answer:

The combined cost of 1 pound of salmon and 1 pound of swordfish is $16.66

Step-by-step explanation:

Let us assume the cost of 1 pound salmon = $ m

So the cost of 1 pound of 1 pound swordfish cat = $ ( m - 0.20)

Now, the Amount of salmon purchased = 2 1/2 pounds

$2\frac{1}{2} = 2 + \frac{1}{2} = 2 + 0.5 = 2.5$

So, the amount of salmon purchased = 2.5 pounds

Cost of buying 2.5 pounds = 2.5 x ( 1 pound cost)

= 2.5 ( m) = $ 2.5 m ...... (1)

Also, the Amount of swordfish purchased = 1 1/4 pounds

$1\frac{1}{4} = 1 + \frac{1}{4} = 1 + 0.25 = 1.25$

So, the amount of swordfish purchased = 1.25 pounds

Cost of buying 1.25 pounds = 1.25 x ( 1 pound cost of swordfish)

= 1.25 ( m - 0.20) = $ 1.25 m - 0.25 .... (2)

Now, the combined cost paid = $ 31.25

⇒Cost of buying (2.5 pounds salmon + 1.25 pounds swordfish) = $ 31.25

or, 2.5 m + 1.25 m - 0.25 = 31.35 (from (1) and (2))

or, 3.75 m = 31.60

or, m = 31.60/3.75 = 8.43

⇒ m = $8.43

So, the cost of 1 pound salmon = m = $8.43

and the cost of 1 pound swordfish = m - 0.20 = $8.43 - 0.20 = $ 8.23

Hence, the combined cost 1 pound of salmon and 1 pound of swordfish = $8.43 + $ 8.23 = $ 16.66

6 0

3 years ago

Can anyone help me ?

gtnhenbr [62]

The formula for the volume of a sphere is V=(4/3) (pi) r^3. if r is doubled then you get 2r as the radius and V=(4/3) (pi) * 8r^3 so the volume is eight times bigger than the original r value. if r is tripled the r =3r and (3r)^3 so the volume is 27 times bigger. If r is multiplied by n the radius is nr and (nr)^3 =n^3 r^3, Therefore, the volume is n^3 times bigger than the original.

7 0

3 years ago