2 years ago

5th grade math. correct answer will be marked brainliest.

Mathematics

1 answer:

givi [52]2 years ago

3 0

Answer:

The answer will be 41/14

Step-by-step explanation:

2.928571429

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A light bulb manufacturer claims that the lifetime of the bulbs is normally distributed with a mean of 5000 hours and a standard

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3 years ago

5.607 is what percent of 89 step by step

MrMuchimi

Answer:

6.3%

Step-by-step explanation:

so 5.607 = x% * 89

to find the percent u need to divide : 5.607/89 which is : 0.063

to convert 0.063 to a percent multiply 0.063 by 100 = 6.3%

check :

6.3% *89 = 5.607

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3 years ago

A survey of 350 people found 150 like birds. 170 like squirrels and 30 like both animals. How many like neither?

Arada [10]

Answer:

Step-by-step explanation:

150 + 170 + 30 = 350

170 + 30 = 200

200 + 150 = 350

Hope this helps! :)

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3 years ago

GIVING BRAINIEST IF CORRECT!!<br><br> Factor x^4 - 16 completely

ioda

Answer:

$(x^2 + 4)(x + 2)(x - 2)$

Step-by-step explanation:

Hello!

We can use the difference of square method.

<h2>Difference Of Squares (DOS)</h2>

The formula for the DOS is $(a + b)(a - b) = a^2 - b^2$

It is a simple way to factor polynomials.

The criteria:

Has to begin and end with a perfect square
The operation has to be subtraction

<h3>Factor:</h3>

$x^4 - 16$

Begins with a perfect square (x² * x²) and ends with a perfect square (4 * 4)

$(x^2 + 4)(x^2 - 4)$

Warning! Watch out, there may be another DOS!

$x^2 - 4$ is another DOS

$(x^2 + 4)(x + 2)(x - 2)$

The x² + 4 is not a DOS because the operation is addition.

The final factored form is $(x^2 + 4)(x + 2)(x - 2)$

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2 years ago

A 6-pound watermelon costs $2.40 before a 30% discount. Which equation will allow you to find the discounted price of the waterm

V125BC [204]

Answer:

$1.68

Step-by-step explanation:

2.40 x .70 =1.68

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3 years ago

Read 2 more answers