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3 years ago

Find the amount of molding needed for a 10' x 7' floor.

1 answer:

6 0

To calculate the amount of molding needed for 10 feet by 7 feet floor, we need to assume some parameters. We can assume that the floor is a regular rectangle with sides 10 and 7 feet. Then the molding needed will be the area of the rectangular floor:

A = l x w
A = 10 feet x 7 feet
A = 70 square feet.

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Factor out the greatest common factor. 2s4 - 4s2

mamaluj [8]

Greatest common factor in this case is 2s^2. The resulting polynomial would be 2s^2(s^2-2)

5 0

3 years ago

-1.6 + (-2.4) add. write your answer in simplest form

alukav5142 [94]

Answer:

-4

Step-by-step explanation:

Step 1: Combine

Adding a negative number is same as subtracting a number.

-1.6 + (-2.4)

-1.6 - 2.4

-4

Answer: -4

5 0

3 years ago

Read 2 more answers

70 points!!!! Find the horizontal and the vertical components of f.

choli [55]

Answer:

F = (16.74, -2.95)

Explanation:

1) Horizontal component

The horizontal component is related to the magnitude of the force by the cosine ratio:

cos (α) = Fx / | F |

Where α in the angle (-10º), Fx is the horizontal component, and | F | is the magnitude of the force (17).

cos(-10º) = Fx / 17 ⇒ Fx = cos (-10º) × 17 = 16.74

2) Vertical component

The vertical component is related to the magnitude of the force by the sine ratio:

sin (α) = Fy / | F |

Where α in the angle (-10º), Fy is the vertical component, and | F | is the magnitude of the force (17).

sin(-10º) = Fy / 17 ⇒ Fy = sin (-10º) × 17 = -2.95

3) Form (x,y)

F = (16.74, -2.95)

6 0

3 years ago

M=-3/7 ; (-5,6) what is the equation of the line

exis [7]

Y - 6 = -3/7(x + 5)

y - 42/7 = -3/7x - 15/7

y = -3/7x + 27/7

6 0

3 years ago

HELP ME PLEASE I REALLY NEED HELP!? :(

Aleksandr [31]

Just answers since long and many simplifiction
it's like doing those multiplication memory things that had like 100 questions but now with algebra fractions

5. fourth or $\frac{5x-15}{x^{2}-3x-28}$
6. third or $\frac{4x+25}{x^{2}+5x+4}$
7.the answe ris x+3 since it can be factored out of the 5x+15 tingie (second )
8. fourth or $\frac{x^{2}+4x}{4}$
9. fourth or $\frac{2y+6}{9y-7}$ times $\frac{3}{2}$
10. third or $\frac{(x+3)(x+8)}{(x-8)(x-8)}$
11. second or $\frac{x-5}{x-4}$
12. third or 11(x+7)=60

5 0

2 years ago