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4 years ago

Simplify: ( 6 to the second power minius 7 times 3 ) + 3 cubed

Mathematics

1 answer:

Tju [1.3M]4 years ago

5 0

Answer:

Step-by-step explanation:

6 to the second power minius 7 times 3 is 15 then with is cubed it would be 42

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What is the unit if 8 pencils costs 3.44

vesna_86 [32]

3.44 divided<span> by 8=0.43</span>
<span>1p=43¢
8 pencils=43*8=</span><span>344</span>

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3 years ago

Read 2 more answers

The heights of American men are normally distributed. If a random sample of American men is taken and the confidence interval is

solmaris [256]

Answer:

Step-by-step explanation:

Given the confidence interval of the heights of american heights given as (65.3,73.7);

Lower confidence interval L = 65.3 and Upper confidence interval U = 73.7

Sample mean will be the average of both confidence interval . This is expressed mathematically as $\overline x = \frac{L+U}{2}$

$\overline x = \frac{65.3+73.7}{2}\\\overline x = \frac{139}{2}\\\overline x = 69.5$

Hence, the sample mean is 69.5

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3 years ago

How do you tell the base and height of a triangle?

Wittaler [7]

Answer:

In triangles

In the case of a triangle, a common way to calculate its area is 'half of base times height' where the 'height' is the altitude, or the perpendicular distance from the base to the opposite vertex. The base can be any side, not just the one drawn at the bottom.

Step-by-step explanation:

hope this helps

7 0

4 years ago

Prime number after 167, 118, 82, 57, 41,

Fiesta28 [93]

The prime numbers after 167, 118, 82, 57, 41 are 37, 31, 29, 23, 19, 17, 13, 11, 7, 5, 3, 2.

Prime numbers are numbers that are divisible by 1 and itself.

This are number greater than one with only two factors which are 1 and itself.

In other words, this number, when they are divided by another number other

than 1 or itself , one will get a remainder that is not zero.

Example of prime numbers are 2, 5, 7, 11, 13 etc.

The prime numbers after 167, 118, 82, 57, 41 are as follows:

37, 31, 29, 23, 19, 17, 13, 11, 7, 5, 3, 2.

learn more about prime number here: brainly.com/question/26013414

8 0

3 years ago

Use the prime factors of 3136 and 2744 to evaluate:✓3136/3✓2744

Tresset [83]

Answer:

3136 = 2^6 × 7^2

2744 = 2^3 x 7^3

✓3136/3✓2744 = ✓(2^6 × 7^2)/3✓(2^3 x 7^3) = (2^3 x 7)/3 x 14(✓14) = 56/42✓14 =4/3✓14

5 0

3 years ago