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Veseljchak [2.6K]
2 years ago
15

Please, please, please help me

Mathematics
1 answer:
kari74 [83]2 years ago
6 0

Answer: u = 6.1

Step-by-step explanation:

"Cross multiply"  13 × 8 = 104,

then divide 104 ÷ 17 = 6.117647059

Round to nearest 10th   u ≈ 6.1

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Fill the blank bellow.....
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£8.40 is shared equally between three brothers. How much does each brother receive?
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in a sale there is 25% off and a bed costs 33 pounds in the sale so how much was it before the sale ?
IceJOKER [234]
44 pounds 
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6 0
3 years ago
I need help on this question
rosijanka [135]

Answer:

11. Volume = 2181.2mm^3

12. Surface Area = 1204.49mm^2

Step-by-step explanation:

We first need to find the hypotenuse side of the triangle using the Pythagorean theorem:

a^2+b^2 = c^2

13.3^2+20.5^2 = c^2

176.89+420.25 = c^2

597.14 = c^2

24.44 = c

Now we can find the volume using the formula:

V = 1/4(16)sqrt-13.3^4+2(13.3*20.5)^2+2(13.3*24.44)^2

-20.5^4+2(20.5*24.44)^2-24.44^4

V = 2181.2mm^3

To find the surface area using the surface area formula:

A = (13.3*16)+(20.5*16)+(24.44*16)+1/2sqrt

13.3^4+2(13.3*20.5)^2+2(13.3*24.44)^2

-20.5^4+2(20.5*24.44)^2-24.44^4

A = 1204.49mm^2

7 0
3 years ago
Can someone help me do these it’s really hard
Elena L [17]

Answer:

40 cubes

Step-by-step explanation:

multiply side lengths or the prism by 2, then solve for volume

2.5 * 2 = 5

2 * 2 = 4

1 * 2 = 2

5 * 4 * 2 = 40

4 0
2 years ago
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