Add the decimals 64.5 +2.407+ 10+12.95

Answers

Answer 1

Answer: The Answer Is 89.857 :D :v

Answer 2

Answer: line up the decimal points.

64.5
2.407
10
+12.95=89.857

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How many roots of the polynomial 30x^4 + 7x^3-125x^2-54x+72 have absolute value greater than 1?

Answers

Answer:

There are 3 roots of the given polynomial that have absolute value greater than 1.

Step-by-step explanation:

We are given the polynomial:

$p(x) = 30x^4 + 7x^3-125x^2-54x+72$

We can factorize the given polynomial as:

$p(x) = 30x^4 + 7x^3-125x^2-54x+72\n=(x-2)(2x+3)(5x-3)(3x+4)=0$

$\text{Solving for}\n(x-2) = 0\nx = 2\n|x| = 2 > 1$

$\text{Solving for}\n(2x+3) = 0\nx = (-3)/(2)\n\bigg|(-3)/(2)\bigg| = (3)/(2) > 1$

$\text{Solving for}\n(5x-3) = 0\nx = (3)/(5)\n\bigg|(3)/(5)\bigg| = (3)/(5) < 1$

$\text{Solving for}\n(3x+4) = 0\nx = (-4)/(3)\n\bigg|(-4)/(3)\bigg| = (4)/(3) > 1$

Thus, there are 3 roots of the given polynomial that have absolute value greater than 1.

9+4(x+2)-3x select the term that describes 3

Answers

Answer:

Step-by-step explanation: hope it helps

Which one is the greater quantity 1/3 of a box of corn crinkles or 50% of a box of corn krinkles

Answers

1/3=0.3333333333333
50%=0.50

0.50>0.33333333333333
50%>1/3

50% is biger

50% is bigger because if you divide 1/3 it equals 0.333333 and it just keeps going. 50% equals 0.5

What is 37.025 written in word form

Answers

thirty-seven and twenty-five thousanths

37.025 in written form is:

Thirty-seven and twenty-five thousandths

Hope I Helped You!!! :-)

Have A Good Day!!!

the theatre charges $9 for each adult ticket and $6 for each child ticket. the theatre sold 144 tickets for the first showing of the new release. the total money collected from ticket sales for that show was $1164. write a system of equations that could be used to find the number of child tickets and the number of adult tickets sold, and solve the system algebraically.

Answers

x=number of adult tickets
y=number of child tickets
I suggest this system of equations:
x+y=144
9x+6y=1164
we can solve this system of equations by substitution method.
x=144-y

9(144-y)+6y=1164
1296-9y+6y=1164
-3y=1164-1296
-3y=-132
y=-132/-3=44

x=144-y
x=144-44=100

Answer: the theatre sold 100 adult tickets and 44 child tickets.

A paper drinking cup in the shape of a cone has a heightof 10 centimeters and a diameter of 8 centimeters.

Which of the following is closest to the volume
of the cup in cubic centimeters?

27 cm
53 cm
80 cm
160 cm

Answers

The solution is, 160 cm is closest to the volume of the cup in cubic centimeters.

What is volume of cone ?

The formula for the volume of a cone is ⅓ r2h cubic units, where r is the radius of the circular base and h is the height of the cone.

here, we have,

a cone has a height of 10 centimeters

and a diameter of 8 centimeters.

so, we know,

Volume = ⅓ r²h

i.e. V = 167.55

Hence, 160 cm is closest to the volume of the cup in cubic centimeters.

to learn more on volume of cone click:

brainly.com/question/1984638

#SPJ6

Answer:

I am pretty sure it is 53cm.

Step-by-step explanation:

If it were in a cylinder shape 10 x 8 is 80 but is is in the shape of a cone so the volume lessens so it can't be 80cm or 160cm. 27cm is a bit to low so that is why I am 90% sure it is 53cm.

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