Ask question

Ask question

All categories

3 years ago

15

what is the total surface area in square millimeters, of the rectangle solid shown below? HELP PLEASE!

1 answer:

ValentinkaMS [17]3 years ago

5 0

Answer:

D) 290

Step-by-step explanation:

w = 5

l = 12

h = 5

Formula:

SA = 2(wl + hl + hw)

SA = 2(5*12 + 12*5 + 5*5)

SA = 2(60 + 60 + 25)

SA = 2(145)

SA = 290

You might be interested in

The prism shown has a volume of 798 cm3.

a_sh-v [17]

Answer:

10.5 cm

Step-by-step explanation:

Volume = base area × height

798 = (9.5 × 8) × height

height = 798/76

height = 10.5

4 0

3 years ago

Simplify 8r - 3j + 9j - 2r

Shkiper50 [21]

Answer:

6j + 6r :)))))))))))))))))

3 0

3 years ago

Read 2 more answers

Express the following quotient in scientific notation

mihalych1998 [28]

1.98 x 10^-12 1.98

------------------ = ---------- x 10^-10

3.6 x 10^-2 3.6

=0.55 x 10^-10

=5.5 x 10^-11

4 0

3 years ago

12.A T.V. is sold for Rs. 17,280 at a profit of 20%. Find the cost price of the T.V.

GaryK [48]

Answer:

Rs. 13,824

Step-by-step explanation:

20% of Rs. 17,280

= Rs.3456

Rs.17,280- Rs.3456

=Rs.13,824

7 0

3 years ago

Read 2 more answers

Which expression has the greatest value when x=3?

FrozenT [24]

Answer:

3) $(2x)^{3}$

Step-by-step explanation:

x = 3

1) $2x^{3}$

2 x $3^{3}$

= 54

2) $2x^{3} + 5$

2 x $3^{3}$ + 5

= 59

3) $(2x)^{3}$

(2 x 3 $)^{3}$

$6^{3}$

=216

4) $(x - 1)^{3}$

(3 - 1 $)^{2}$

$2^{3}$

= 8

6 0

3 years ago