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vovangra [49]
3 years ago
5

A road repair crew spread 9/10 of a ton of gravel evenly over 3 feet of road. How many tons of gravel did they spread on each fo

ot of road?
Mathematics
2 answers:
Ede4ka [16]3 years ago
7 0

Answer:

3/10 ton per foot

Step-by-step explanation:

Take the amount of gravel and divide by the distance of road

9/10 ton ÷ 3 ft

Copy dot flip

9/10 * 1/3

9/30

3/10 ton per foot

Maru [420]3 years ago
5 0

If 9/10 tons of gravel got spread over 3 feet, then how much gravel is on each foot? Well, it's a ratio.

9/10 tons : 3 ft

So, we divide each side of the ratio by 3.

3/10 tons : 1 ft.

So, that 3/10 tons of gravel on each foot of road.

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A graph has a slope of -2 and a y-intercept of 4. Fill in the equation below using slope-intercept form. y= blank x+ blank
vfiekz [6]
Y=-2x+4 the first blank will be your slope and the second blank will be where your line crosses the y intercept
4 0
3 years ago
Explain how James Fenimore Cooper’s works connected the fine arts with changes in the American way of life.
MrRissso [65]

James Fenimore Cooper used his words to connect Fine Arts and the Changes in American culture by writing about America's Westward expansion and the Indians in this first western novel.

<h3>What did James Fenimore Cooper write in his first novels?</h3>

James Fenimore Cooper based his first western novels on themes relating to:

  • the frontier
  • White/Indian Conflicts
  • America's Westward Expansion
  • Romantic Ideas about the American West.

Hence the correct answer is A.

Learn more about James Fenimore Cooper at:

brainly.com/question/3886133

3 0
2 years ago
A rectangular storage container with an open top is to have a volume of 24 cubic meters. The length of its base is twice the wid
Mariana [72]

Answer:

419.25

Step-by-step explanation:

The calculation of the cost of materials for the cheapest such container is shown below:-

We assume

Width = x

Length = 2x

Height = h

where, length = 2 \times width

Base area = lb

= 2x^2

Side area = 2lh + 2bh

= 2(2x)h + 2(x)h

= 4xh + 2xh

Volume = 24 which is lbh = 24

h = \frac{24}{2x^2} \\\\ h = \frac{12}{x^2}

Now, cost is

= 13(2x^2) + 9(4xh + 2xh)\\\\ = 13(2x^2) + 9(4x + 2x)\times \frac{12}{x^2} \\\\ = 26x^2 + \frac{648}{x}

now we have to minimize C(x)

So, we need to compute the C'(x)

= 52x - \frac{648}{x^2}

C"(x)  = 52x - \frac{1,296}{x^3}

now for the critical points, we will solve the equation C'(x) = 0

= 52x - \frac{648}{x^2} = 0\\\\ x = \frac{648}{52}^{\frac{1}{3}}

C" = ((\frac{648}{52} ^{\frac{1}{3} } = 52 + \frac{1296}{(\frac{648}{52})^\frac{1}{3} )^3}\\\\ = 52 + \frac{1296}{\frac{648}{52} } >0

So, x is a point of minima that is

= (\frac{648}{52} )^\frac{1}{3}

Now, Base material cost is

= 13(2x^2)\\\\ = 26(\frac{648}{52} )^\frac{2}{3}

= 139.75

Side material cost is

= \frac{648}{x} \\\\ = \frac{648}{(\frac{648}{52})^\frac{1}{3}  }

= 279.50

and finally

Total cost is

= 139.75 + 279.50

= 419.25

4 0
3 years ago
Please help! I'm stuck:(
irina [24]

Answer:

1st graph is Y=1x+0

2nd Graph is Y=-2/1x + 0

Step-by-step explanation:

Your slope is 1 for the 1st graph

Your slope is -2/1 for the second graph

3 0
4 years ago
Please answer the whole page .
baherus [9]
1. Brandi was driving 60mph down the highway. Ratio is 60/1. 60mi per 1 hr

2. Brandi bought 5 apples at the store and 6 oranges. The ratio of apples to oranges is 5:6 or 5 to 6.

3. Brandi has 3 sisters and 1 brother. Ratio of sisters to brothers is 3:1 or 3 to 1.

4. Brandi has 20 shirts and 10 pants in her closet. The ratio of shirts to pants is 20:10 or 20 to 10.

5. Brandi has 12 boys in her class and 13 girls. The ratio of boys to girls is 12:13 or 12 to 13

Hope this helps:)
7 0
3 years ago
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