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LekaFEV [45]
3 years ago
9

Can you make more arrays with 8 tiles then 9

Mathematics
2 answers:
Charra [1.4K]3 years ago
5 0
No because u have to have 9 or 9 or 8 and 8
bonufazy [111]3 years ago
5 0
Yes
8=1,2,4,8,
9=1,3,9
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Help.me its urgent<br>Find the total surface area and volum of given prism​
Marat540 [252]

Answer:

Total surface area = 434 cm²

Total volume = 470 cm³

Step-by-step explanation:

1. The prism can be decomposed into two rectangular prisms which are the bigger rectangular prism and the smaller rectangular prism

✔️Total surface area of the prism = (surface area of the bigger prism - area of the face joined to the smaller prism) + (surface area of the smaller prism - area of the face joined to the bigger prism)

Surface Area of bigger prism = 2(LW + LH + HW)

L = 10 cm

H = 8 cm

W = 9 - 5 = 4 cm

Area of bigger rectangular prism = 2(10*4 + 10*8 + 8*4)

= 304 cm²

Surface area of the smaller prism = 2(LW + LH + HW)

L = 10 cm

H = 3 cm

W = 5 cm

Area of bigger rectangular prism = 2(10*5 + 10*3 + 3*5)

= 190 cm²

Area of the face joining both rectangular prisms = L*W

L = 10 cm

W = 3 cm

Area = 10*3 = 30 cm²

✅total surface area of the prism = (304 - 30) + (190 - 30) = 274 + 160 = 434 cm²

2. Volume of the prism = volume of the bigger rectangular prism + volume of the smaller rectangular prism

✔️Volume of the bigger rectangular prism = L*W*H

L = 10 cm

H = 8 cm

W = 9 - 5 = 4 cm

Volume = 10*8*4 = 320 cm³

✔️✔️Volume of the bigger rectangular prism = L*W*H

L = 10 cm

H = 3 cm

W = 5 cm

Volume = 10*3*5 = 150 cm³

✅Total Volume of the prism = 320 + 150 = 470 cm³

8 0
3 years ago
Find the median of the set of data <br> 8.4, 4.9, 1.9, 1.3, 8.7, 9.4, 4.9, 5.5
sergejj [24]

Answer:

5.2

Step-by-step explanation:

1.3, 1.9, 4.9, 4.9, 5.5, 8.4, 8.7, 9.4

the median is the middle number, so it would be in between 4.9 and 5.5

the answer is 5.2

7 0
2 years ago
Read 2 more answers
C) work out the value of 3² + 2³ <br><br>d) work out the value of 2⁴ - 3²<br>​
ki77a [65]

Answer:

a) 2^6 = 2 x 2 x 2 x 2 x 2 x 2 = 64

b) 7^4 = 7*7*7*7 = 2401

c) 3^2 + 2^3

= 9 + 8

= 17

d) 2^4 - 3^2

= 16 - 9

= 7

6 0
3 years ago
Use implicit differentiation to find dy/dx
andreev551 [17]

Answer:

When you take the derivative of -tan(xy) you have to account for the chain rule in the xy.

Step-by-step explanation:

Your answer should be set up as such.

0 - sec^2(xy) ((y)+(x*dy/dx)) = 0

y + x*dy/dx = 0

dy/dx = -y/x

5 0
4 years ago
Issac has 18 eggs. He is packing cartons with 1/3 of his eggs of carton?
docker41 [41]
He us filling it with 6 eggs

7 0
4 years ago
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