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Damm [24]
3 years ago
8

GIVING BRAINLIST........

Mathematics
2 answers:
Otrada [13]3 years ago
7 0

Answer:

36

Step-by-step explanation:

1^{3} + 2^{3} +3^{3} = 36

1^{3} = 1 x 1 (= 1) x 1 = 1

2^{3} = 2 x 2 (= 4) x 2 = 8

3^{3} = 3 x 3 (= 9) x 3 = 27

27 + 8 + 1 = 36

Hope this helps :)

Bezzdna [24]3 years ago
4 0

Answer:

36

Step-by-step explanation:

for the equation, we have to add 1 cubed, 2 cubed and 3 cubed together to get the answer. That equation would look like this

1^3 + 2^3 + 3^3

or expanded out

(1x1x1)+(2x2x2)+(3x3x3)

Solving that down, the equation turns into this

1 + 8 + 27

Adding those values together leaves us with 36!

Hope this helped, have a good rest of your day!

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If f(x) = x2 – 1 and g(x) = 2x – 3, what is the domain of (fºg)(x)?
RUDIKE [14]

Answer:

(-∞, ∞)

Step-by-step explanation:

Given,

f(x)=x^2-1 \ and\ g(x)=2x-3

Then (fºg)(x) would be ,

(2x-3)^2-1\\4x^2-12x+9-1\\4x^2-12x+8

Since this is a polynomial, we know domain of a polynomial is all real number.

Therefore the domain of this (fºg)(x) is (-∞, ∞).

5 0
3 years ago
Help please it would help my grade alot
Alexxandr [17]

Answer:

It cooled 58.4 degrees

Step-by-step explanation:

T(t) = 68 + 144e ^(-.052t)

We want to find the value when t= 10

T(10) = 68 + 144e ^(-.052*10)

        = 68 +85.611

 T(10)         =153.611

We also need to know

T(0)= 68 + 144e ^(-.052*0)

       =68+144

        =212

We want to know how much it cools

That would be the temperature at  time 0 minus the temperature at  time 10


T(0) - T (10)

212-153.611

58.389

To the nearest tenth

58.4 degrees

3 0
3 years ago
PLEASE HELP ME OUT...
katrin2010 [14]

Answer:

area = 144\pi

Step-by-step explanation:

volume =  \frac{4}{3} \pi {r}^{3}  \\  \\ 288\pi =  \frac{4}{3} \pi {r}^{3} \\  \\ 3(288\pi) = 4\pi {r}^{3} \\  \\  \frac{3(288\pi)}{4\pi}  =  {r}^{3}  \\  \\ 216 =  {r}^{3}  \\  \\ r =  \sqrt[3]{216}  \\ r = 6

area = 4\pi {r}^{2}  \\ area = 4\pi ({6}^{2})  \\ area = 144\pi

7 0
3 years ago
Tom saves 35% of his salary . Jerry spends 3/5 of his salary and saves rthe rest of his salary work out who saves the most money
NikAS [45]

Answer:

jerry 5% saves more than tom

Step-by-step explanation:

tom saves 35%

and jerry saves 40%

3 0
3 years ago
What is the answer to <br> 3/2x - 5 = y
77julia77 [94]

Answer:

x = \frac{2y + 10}{3}

y = \frac{3}{2}x -5

Step-by-step explanation:

Hope this helps!

6 0
3 years ago
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