MATHEMATICS MIDDLE SCHOOL

Calculate the surface area of this box

Answers

Answer 1

Answer:

Answer:

40 cm²

Step-by-step explanation:

A = 2(lw + lh + wh)

= 2(4×2 + 4×2 + 2×2)

= 2(8 + 8 + 4)

= 2×20

= 40 cm²

Answer 2

Answer:

Answer:

40cm^6

Step-by-step explanation:

surface area of this box

=2(lw+lh+wb)

=2(2×4+4×2+2×2)cm^6

=2(8+8+4)cm^6

=2×20cm^6

=40cm^6

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5 times 7/8 then converted to simplest form?

Answers

5*7/8 = 4 3/8
5/1 * 7/8 = 35/8
convert into mixed number because numerator is bigger than the denominator so it it
4 3/8

Please Help!: 36x = $45.00

Answers

45.00/ 36
move the decimal. do the same to the 36.
4500/ 3600
1.25

Evaluate 5ny - 2c when n=-1/5, y= 6, and c= -3.

Answers

Answer:

Step-by-step explanation: plug 1/5 in for the "n", plug 6 in for the "y" and plug -3 in for the "c". This gives you 5 x 1/5 which equals 1. So now you have 1 times 6 which equals 6. Lastly you subtract 2(-3) which is -6. This results in 6 - (-6) which equals 12.

Marty wants to plant grass in a rectangular section of his backyard. The section where he wants grass measures 6.62 meters by 4.55 meters. What is the area of this section? (Area = length × width) Do not round your answer.

Answers

Lets first look at the formula, then substitute for the formula, then solve. lets do it:-

A = lw
A = Area
l = lentgh
w = width

A = lw
l = 6.62 meters
w = 4.55 meters

A = lw
A = 6.62 × 4.55
A = 30.121 meters

So, the area of this section is 30.121 Meters.

Hope I helped ya!! xD

a=l×w
6.62m×4.55m
=30.121m

What is the area of this trapezoid?A) 108 in²
B) 139.5 in²
C) 166 in²
D) 171 in²

Answers

Answer:

B)139.5

Step-by-step explanation:

Right-angled triangle formula A=ab/2 so find the area of both triangles left side: 2*9/2=9 right side 5*9/2= now find the area of the rectangle 9*12= add all them together 9+22.5+108=139.5

$10 + ($6-n) if n =$3
What is the final product
Of this mathematical question?

Answers

If n = $3 then plug it in
$10 + ($6-$3)
$6-$3 = $3
$10 + $3 = $13

$10+($6-$3)=
$10+$3=$13