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garri49 [273]
4 years ago
15

In a woodworking class, you need to make five triangles out of plywood. Each triangle has a height of 6 inches and a base of 14

inches. Which equation can you use to solve for the total amount of plywood you will need?
Mathematics
2 answers:
Usimov [2.4K]4 years ago
7 0

Answer:

5 ⋅ (1/2 ⋅ 6 ⋅ 14) = x

Step-by-step explanation:

i got it right on ttm

vampirchik [111]4 years ago
6 0
The area of a triangle can be calculated through the equation,
                            A = bh / 2
where A is area, b is base, and h is height. 
Substituting the known values from the given above to the equation
                            A = (14 in)(6 in) / 2 = 42 in²
Since, there are five of these triangles, the total area is,
                            total area = 5(42 in²) = 210 in²
Thus, the total area of the plywood needed is 210 in².
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(2x^4 - 6x^2+8) + (-x^4+ 2x^2-12)
Neko [114]
(2x^4 - 6x^2+8) + (-x^4+ 2x^2-12)
=2x^4-6x^2-x^4+2x^2-12
=x^4-4x^2-12

Just watch your signs when opening up the brackets and then collect like terms.
3 0
4 years ago
Determine Cove’s break-even point in units and sales dollars. 2. Determine the bakery’s margin of safety if it currently sells 4
swat32

Answer:

a) At break even point, Q = 380 units, Sales dollar = $5247.8

b) Margin of safety at Q = 400 units is 0.05 × 100 = 5

c) Number of cakes that need to be sold before a profit of $2200 is made = 595 cakes

Step-by-step explanation:

Let the number of units be Q

Cost equation = (fixed cost) + (Variable cost)

Fixed Cost = $3898.8

Variable Cost = Variable cost per unit × number of units produced = (2.32 + 1.11 + 0.12) × Q = 3.55Q

Cost equation = 3898.8 + 3.55Q

Revenue = price per unit × number of units sold = 13.81 × Q = 13.81Q

At break even point,

Total cost = Revenue

3898.8 + 3.55Q = 13.81Q

10.26Q = 3898.8

Q = 380 units

In sales dollars, R = 13.81Q = 13.81 × 380 = $5247.8

b) Margin of safety = 100 × (Current sales - Breakeven point sales)/(current sales)

Breakeven point sales = $5247.8

At Q = 400 units, Current sales = 13.81 × 400 = $5524

Margin of safety = 100 × (5524 - 5247.8)/5524 = 5

c) number of cakes that Cove must sell to generate $2,200 in profit.

Profit = Revenue - Total Cost

2200 = 13.81Q - (3898.8 + 3.55Q)

2200 = 10.26Q - 3898.8

10.26Q = 2200 + 3898.8 = 6098.8

Q = 594.4 = 595 units

5 0
3 years ago
Ellen collected 88 empty cans to recycle,and Carl collected 72 cans. They packed an equal number of cans into each of two boxes
Mice21 [21]

ellen had 44 per box and carl had 36 per box

but if they had only two boxes altogether then each box had 80 cans in it

8 0
3 years ago
Using y=mx+b find the slope for<br> 7) 8x + 3y = −9
malfutka [58]

Answer:

-8/3

Step-by-step explanation:

8x + 3y = - 9

Let's make y the subject of the formula.

y = - 9/3 - 8x/3

Rearrange

y = - 8x/3 - 3

The slope is the coefficient of x which is - 8/3

If you don't understand, please leave a comment

Please gimme brainliest

7 0
3 years ago
Calculate the distance between the points H=(-2, -5) and K=(-7, 1) in the coordinate plane.
Rzqust [24]

Answer:

d=\sqrt{61}

Step-by-step explanation:

The distance is given by the expressiond=\sqrt{(\Delta x)^2+(\Delta y)^2}= \sqrt{[(-2)-(-7)]^2+[(-5)-(1)]^2} = \sqrt{(-2+7)^2+(-5-1)^2}=\sqrt{(5)^2+(-6)^2}=\sqrt{(25+36)}=\sqrt {61}

8 0
2 years ago
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