Number eight is my question

Mathematics

1 answer:

lys-0071 [83]3 years ago

5 0

Which is 592/17 = 34.82 Rounding to the nearest tenth? Is 35.

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What is the exact volume of the cylinder

GrogVix [38]

V=hpir^2
h=20
r=12

v=20pi12^2
v=20pi144
v=2880pi

2nd one is answer

3 0

3 years ago

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A bar graphs shows that sports books received 9 votes. If the scale is 0 to 20 by twos , where should the bar end for the sports

olya-2409 [2.1K]

A little past the 8.

7 0

4 years ago

Dylan solved the exponential equation 3x+1 = 15 and his work is shown below. What is the first step he did incorrectly?

seraphim [82]

The answer is Step 2.

The exponential equation is: 3ˣ⁺¹ = 15.
Step 1: log3ˣ⁺¹ = log15
Step 2: (x + 1) * log3 = log15
Step 3: x + 1 = log 15 / log 3
Step 4: x + 1 = 1.18 / 0.48
Step 5: x + 1 = 2.46
Step 6: x = 2.46 - 1
Step 7: x = 1.46

8 0

3 years ago

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Find a possible formula for a fourth degree polynomial g that has a double zero at -2, g(4) = 0, g(3) = 0, and g(0) = 12. g(x) =

astraxan [27]

<h2>Answer:</h2>

The possible formula for a fourth degree polynomial g is:

$g(x)=\dfrac{1}{4}(x^4-3x^3-12x^2+20x+48)$

<h2>Step-by-step explanation:</h2>

We know that if a polynomial has zeros as a,b,c and d then the possible polynomial form is given by:

$f(x)=m(x-a)(x-b)(x-c)(x-d)$

Here the polynomial g has a double zero at -2, g(4) = 0, g(3) = 0.

This means that the polynomial g(x) is given by:

$g(x)=m(x-(-2))^2(x-4)(x-3)\\\\i.e.\\\\g(x)=m(x+2)^2(x-4)(x-3)\\\\i.e.\\\\g(x)=m(x^2+2^2+2\times 2\times x)(x(x-3)-4(x-3))\\\\i.e.\\\\g(x)=m(x^2+4+4x)(x^2-3x-4x+12)\\\\i.e.\\\\g(x)=m(x^2+4+4x)(x^2-7x+12)\\\\i.e.\\\\g(x)=m[x^2(x^2-7x+12)+4(x^2-7x+12)+4x(x^2-7x+12)]\\\\i.e.\\\\g(x)=m[x^4-7x^3+12x^2+4x^2-28x+48+4x^3-28x^2+48x]\\\\i.e.\\\\g(x)=m[x^4-7x^3+4x^3+12x^2+4x^2-28x^2-28x+48x+48]\\\\i.e.\\\\g(x)=m[x^4-3x^3-12x^2+20x+48]$