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mr Goodwill [35]
3 years ago
7

Can somebody please help me. I have less then 10 mins to get the right answer

Mathematics
2 answers:
Dafna1 [17]3 years ago
8 0

the bottom cube = 5in

middle=4

top =5

5+4+5=14in

iVinArrow [24]3 years ago
5 0

The stack is 3 inches high, and thus has four vertical rectangular areas 3 by 1 in^2 each, which constitutes a total vertical surface area of 4(3 in^2), or 12 in^2. Twice the area of the base is 2(1 in^2) = 2 in^2.


Combine 12 in^2 and 2 in^2:        14 in^2  is the total surface area of this 3-d object.

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You have 3/4 of a pie leftover after your party. Each guest takes home 1/6 of the leftover pie.
Anika [276]

we know that

1) You have 3/4 of a pie leftover after your party

2) Each

guest takes home 1/6 of the leftover pie

To find the fraction of the original pie does each guest take home,

Multiply 3/4 by 1/6

so

\frac{3}{4} *\frac{1}{6} =\frac{3}{24}

<u>Simplify </u>

Divide by 3 both numerator and denominator

\frac{3}{24}=\frac{1}{8}

therefore

<u>the answer is</u>

\frac{1}{8}

8 0
3 years ago
Read 2 more answers
The Ferry family rented 50 chairs for $150. Which expression can be used to find the cost per chair?There are 330 walnuts in 6 b
True [87]

Step-by-step explanation:

Quesion 1

The cost of one chair can be found by dividing the cost of the total chairs by the number of chairs

hence, cost per chair= 150/50= $3 per chair

Question 2

let us find the number of walnuts per bag

= 330/6

=55 walnuts per bag

hence in two bags there will be 55*2= 110 walnuts

Question 3

Option D is an example of a unit rate.

The unit rate is defined as the cost of one unit of an item, or the value that represents a unit of a quantity... D 18 miles driven in a week

4 0
2 years ago
Please simplify y(-16+2x)=
Liula [17]
The answer is -16y + 2yx
4 0
3 years ago
Find the area of the regular polygon
11Alexandr11 [23.1K]

Answer:

AREA OF THE POLYGON

7 \times  \frac{1}{2}  \times 4 \times 4.2 \\ 58.8 {inch}^{2}

4 0
2 years ago
A cone of height 9cm has a volume of ncm³ curved surface area of ncm². Find the vertical angle of the cone
avanturin [10]

Answer:

Step-by-step explanation:

let the radius be r and the slant height be L

then first of all: L^2 = r^2 + 9^2

= r^2 + 81

Surface area = πrL = n

volume = (1/3)πr^2 (9) = 3πr^2 = n

then 3πr^2 = πrL

3r = L , then in L^2 = r^2 + 81

9r^2 = r^2 + 81

8r^2 = 81

r = 9/√8

L^2 = 81/8 + 81 = 729/8

L = √1458/4

cos(baseangle) = (9/√8) / (√1458/4)

= 1/3

angle of base = appr 70.5°

check my arithmetic

5 0
2 years ago
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