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3 years ago

Pls help me give u a brainlest

Mathematics

1 answer:

Snezhnost [94]3 years ago

3 0

Answer:

2,139

Step-by-step explanation:

Volume= length X Width X Height

L= 15.5 cm

W= 9.2 cm

H= 15

L X W X H= ?

15.5 X 9.2 X 15=?

2,139

you are suppose to multiply all of them 2 get ur answer

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Use the identity (x+y)(x2−xy+y2)=x3+y3 to find the sum of two numbers if the product of the numbers is 10, the sum of the square

professor190 [17]

Answer:

The sum of two numbers is 7.

Step-by-step explanation:

Given : the product of the numbers is 10, the sum of the squares of the numbers is 29, and the sum of the cubes of the numbers is 133.

Using identity $(x+y)(x^2-xy+y^2)=x^3+y^3$ and given details, we have to find the sum of two numbers.

Since, given that the product of the numbers is 10 that is $xy=10$

Also, given the sum of the squares of the numbers is 29 that is $x^2+y^2=29$

and the sum of the cubes of the numbers is 133 that is $x^3+y^3=133$

Using, the given identity $(x+y)(x^2-xy+y^2)=x^3+y^3$ ,

Substitute, the given values, we have,

$(x+y)(29-10)=133$

Simplify , we get,

$(x+y)(19)=133$

Divide both side by 19, we have,

$(x+y)=7$

Thus, the sum of two numbers is 7.

7 0

3 years ago

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The amount of a sample remaining after t days is given by the equation P(1) - Al2where A is the initial amount of

Bezzdna [24]

Answer:

The answer is actually 74 days. I know how to algebraically solve this, however I am unsure how to transpose my work onto the computer.

Step-by-step explanation:

I can also tell you that edgenuity will say 74 is correct.

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2 years ago

SOMEONE PLEASE HELP ME ASAP PLEASE!!!

Darya [45]

Answer:

Valid

Step-by-step explanation:

No calculations, but,

Def. of isosceles triangle= two congruent sides.

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3 years ago

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(CO 6) If the linear correlation coefficient is -0.491, what is the

Sedbober [7]

The value of co-efficient of determination is 0.241.

<h3>What is the relationship between linear co-relation co-efficient and co-efficient of determination ?</h3>

The co-efficient of determination R² is similar to the linear correlation co-efficient.

We can think of co-relation of determination as a percentage. It gives us the data for how much percentage of data will fall within the linear co-relation.The higher the percentage the more data falls within.If the coefficient is 0.5 then 50% of data falls within the linear co-relation.

According to the given question

Linear correlation coefficient is -0.491

∴ Co-efficient of determination is (-.491)² which is equal to 0.241.

Learn more about Linear regression here :

brainly.com/question/14313391

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1 year ago

Solve this equation.<br> 2/3x−1/5x=x−1

olga55 [171]

2/3x-1/5=x-1

Add similar elements 23x-15=8x

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Simply 7x=-x

Divide both sides by 7 7x = -1
__ __. *Simply: x=-1/7
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