3 years ago

Answer Please ⠀⠀⠀⠀⠀⠀⠀⠀

Mathematics

1 answer:

seraphim [82]3 years ago

6 0

Answer:

if;3=1.98 what about 2

3-1.98

2-?

2×1.98÷3=$1.32

Ans: 2 cans for $1.32

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Surface area of hemisphere with diameter of 18

saul85 [17]

Answer:

In terms of pi: 243 $\pi$

in decimal form: 763.407

Step-by-step explanation:

to find surface area of a hemisphere the formula is,

$3\pi r^{2}$

diameter (d) = 18

radius = d / 2 = 18 / 2

radius = 9

$3\pi (9)^{2} \\3\pi (81)\\243\pi \\OR\\763.407$

6 0

2 years ago

Complete the ratio 4 : 32 = 1 : ?

zavuch27 [327]

Answer:

1: 8

Step-by-step explanation:

4 : 32

Divide both the left and right side by 4

4/4 =1

32/4 = 8

4:32 becomes 1:8

6 0

3 years ago

Read 2 more answers

Jamie is trying to work out the surface area of the cuboid below. Spot any mistakes and write the correct answer.

umka21 [38]

Step-by-step explanation:

The dimensions of the cuboid are 5 cm, 7 cm and 9 cm.

The formula for the surface area of the cuboid is as follows :

$A=2(lb+bh+hl)$

We have,

b = 9 cm, l = 7 cm and h = 5 cm

So,

$A=2(9\times 7+9\times 5+7\times 5)\\\\A=2\times 143\\\\A=286\ cm^2$

Jamie forgets to multiply 143 by 2 as the formula for surface area contains 2 as well.

7 0

3 years ago

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Natali5045456 [20]

Try the last one; it doesn't mention anything foreign.

3 0

3 years ago

Help? Meeeeeeeeeeeeeeeeeeeeeeeee e

Setler79 [48]

Answer:

a or d im very positive that is d

Step-by-step explanation:

5 0

3 years ago