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2 years ago

The function of f(x)=g(x) where f(x)=2x-3 and g(x) = x2 -5

Mathematics

2 answers:

kotegsom [21]2 years ago

7 0

Answer:

$x^{2} -2x-2$

Step-by-step explanation:

$2x-3=x^{2} -5\\x^{2} -2x-2$

Elena L [17]2 years ago

3 0

Answer:

i dont knwo you tell me

Step-by-step explanation:

HIIIIIIIIII

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What is the value of a?

Anna007 [38]

Answer:

15 units

Step-by-step explanation:

By using the Pythagoras Theorem,

C^2 = A^2 + B^2

Substitute in the given values,

25^2 = a^2 + 20^2

625 = a^2 + 400

625 - 400 = a^2 + 400 - 400

a^2 = 225

$a = \sqrt{225}$

= 15

Hope this too helped! ^^

I'd recommend watching a video or two on the topic of Pythagoras Theorem, if this explanation isn't clear enough.

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1 year ago

HELP ASAP: Factor By Grouping: 12a^3 - 9a^2 + 4a - 3

MAVERICK [17]

We have been given an expression $12a^3 - 9a^2 + 4a - 3$ . We are asked to factor the given expression by grouping.

First of all, we will make two groups of our expression as:

$(12a^3-9a^2)+( 4a - 3)$

Now we will factor of greatest common factor from each group.

$(3a^2\cdot 4a-3a^2\cdot 3)+( 4a - 3)$

$3a^2(4a-3)+1( 4a-3)$

Now we will factor out common terms $(4a-3)$ as:

$(4a-3)( 3a^2+1)$

Therefore, the factorized form of our given expression would be $(4a-3)( 3a^2+1)$ .

7 0

2 years ago

Evaluate the triple integral_E x^6e^y dV where E is bounded by the parabolic cylinder z = 25 - y^2 and the planes z = 0, x = 5,

Nimfa-mama [501]

Nothing crazy here, just a matter of figuring out the limits of integration.

$\displaystyle\iiint_Ex^6e^y\,\mathrm dV=\int_{-5}^5\int_{-5}^5\int_0^{25-y^2}x^6e^y\,\mathrm dz\,\mathrm dy\,\mathrm dx$

$=\displaystyle\int_{-5}^{-5}\int_{-5}^5x^6e^y(25-y^2)\,\mathrm dy\,\mathrm dx$

$=\displaystyle\left(\int_{-5}^5x^6\,\mathrm dx\right)\left(\int_{-5}^5e^y(25-y^2)\,\mathrm dy\right)=\boxed{\frac{625,000(3+2e^{10})}{7e^5}}$

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2 years ago

To use energy efficiently, a certain washing machine should wash at least 2 kilograms of clothes. To avoid overloading the machi

agasfer [191]

Step-by-step explanation:

the answer is in the image above

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2 years ago

55 is 40% of what number

Oxana [17]

It is important to do the calculations very carefully. Otherwise there is nothing complicated about this problem.
Let us assume the unknown number = x
Then
40x/100 = 55
40x = 55 * 100
40x = 5500
x = 5500/40
= 550/4
= 137.5
So 55 is 40% of 137.50. I hope the procedure is clear to you and in future you can solve such problems on your own without requiring any help from outside.This is the simplest way of solving such problems.

5 0

2 years ago

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