3 years ago

The diagram shows a cuboid.

Mathematics

1 answer:

nika2105 [10]3 years ago

7 0

Cuboid has 6 faces. If each face was 2m squared, that would be 2m squared times 6 which is 12m squared

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Please help marking brainliest if it's correct and explain

yarga [219]

Imma take a guess maybe C

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3 years ago

1. If a - b = 4 and a + b = 12, what is the<br> value of a?

Marta_Voda [28]

A=8

Explanation: a+b=12 a-b=4
^^^^^^^ ^^^^^^
8+4=12 8-4=4
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8 0

3 years ago

The proportion of items in a population that possess a specific attribute is known to be 0.45. a. If a simple random sample of s

yanalaym [24]

Answer: 0.05

Step-by-step explanation:

Sampling error is the error occurs by considering sample for study instead of entire population.

Given : The proportion of items in a population that possess a specific attribute is known to be 0.45.

Sample size : n= 100

Sample proportion of items in a population that possess a specific attribute : $\hat{p}=0.48$

Now, the formula to find the sampling error :

$\text{Sampling error} =\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$\text{Sampling error} =\sqrt{\dfrac{0.48(1-0.48)}{100}}$

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Hence, the sampling error =0.05

4 0

3 years ago

Find the height of a triangle with a base of 4 1/4 cm and an area of 5 5/16 cm squared

Paha777 [63]

Answer:

hb=2.5

Step-by-step explanation:

base = 4

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6 0

3 years ago

Share R86,70 in the ratio 2 : 1

rusak2 [61]

Answer:

2:1

2=5780

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Step-by-step explanation:

2/2+1=2/3×86,70=5780

1/2+1=1/3×8670=2890

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3 years ago