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Vikentia [17]
3 years ago
7

HELP PLEASE?!

Mathematics
1 answer:
ollegr [7]3 years ago
5 0

Answer:

8

Step-by-step explanation:

When we use the scale factor

The lengths increase by the scale factor

the area increases by the scale factor squared

The volume increases by the scale factor cubed

The scale factor is 2

We want the volume

2^3 = 8

The volume is increased by a factor of 8

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An on-demand movie company charges $2.95 per movie plus a monthly fee of $39.95. Which expression represents the yearly
MakcuM [25]

Answer: 2.95x+39.95(12)

Step-by-step explanation:

Hi, to answer this question we have t write an expression with the information given:

The yearly cost for x movie rentals is equal to : the product of the cost of each movie (2.95) and the number of movies (x) ;plus the product of the monthly fee (39.95) and the number of months in a year (12)

Mathematically speaking:

2.95x+39.95(12)

5 0
4 years ago
Read 2 more answers
Help me please
Ivan

Answer:

==7x3−5x2+6x−5

Step-by-step explanation:

=5x3+7x+(-8)+2x3+−5x2+−x+3

Combine Like Terms:

=5x3+7x+−8+2x3+−5x2+−x+3

=(5x3+2x3)+(−5x2)+(7x+−x)+(−8+3)

=7x3−5x2+6x−5

4 0
2 years ago
Gary used candle molds, as shown, to make candles that were perfect cylinders and spheres:
Nimfa-mama [501]

Answer:

A

Step-by-step explanation:

Find the volume of both shapes.

Cylinder - V = πr²h = π·2²·4 = 50.26548

Sphere - V = 4/3πr³ = 4/3π·2³ = 33.51032

Find the difference between the two.

50.26548 - 33.51032 = 16.75516, or 16.75

-hope it helps

6 0
2 years ago
What is the middle splitting term
8090 [49]

Answer:

In Quadratic Factorization using Splitting of Middle Term which is x term is the sum of two factors and product equal to last term. To Factor the form :ax 2 + bx + c. Factor : 6x 2 + 19x + 10. 1) Find the product of 1st and last term( a x c).

Step-by-step explanation:

I hope that helped you!! sorry if not!!

8 0
3 years ago
Raul is attempting to factor the expression 3x^2-14x-5. In his first step, he rewrites the expression as 3x^2+15x-x-5. Which of
Papessa [141]
It would be C and here's why:
you originally start with 3x² - 14x - 5.  The AC method to factoring says you have to get two middle terms that multiply to whatever 3 × -5 is and have to add to -14. Well 3 × -5 is -15. Raul chose two middle terms of 15x and -1x and 15 × -1 is -15 so that part is correct. However 15 - 1 = 14. The middle term of our original trinomial is -14 so "<span>The two middle coefficients multiply to the correct number, but do not add to the correct number."</span>
7 0
4 years ago
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