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Alex
3 years ago
9

solve the inequality below. use the drop down menus to describe the solution and its graph -7x+13 ≥41

Mathematics
2 answers:
snow_tiger [21]3 years ago
8 0

Answer:

x ≥-4

Step-by-step explanation:

-7x+13 ≥41

-7x ≥28 (subtraction property of equality on both sides-subtract 13)

x ≥-4 (division property of equality on both sides-divide by -7)

zimovet [89]3 years ago
8 0
The answer is x>_ -4 I did the homework
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Divde 3/4÷5/7 what was the error 5/7÷3/4=5/7*4/3=20/21
Dmitriy789 [7]

he change 3/4 instead of 5/7

3 0
3 years ago
2. Samuel used clay to make a diorama of the pyramids in Ancient Egypt. He made two triangular pyramids and three rectangular py
zalisa [80]

Answer:

124.16 cubic meter of clay will be used to create all the pyramids

Step-by-step explanation:

The remaining part of the question is given in the attached file

Solution

The total clay used is equal to the sum of volumes of two triangular and three rectangular pyramids.

For Rectangular Pyramid,

Volume of three rectangular pyramids

3 * \frac{BH}{3} = BH

Substituting the given values in above equation, we get -

15.5 * 5 = 77.5 cubic centimeter

For triangular Pyramid,

Volume of two  triangular pyramids

2 * \frac{BH}{3}\\2 * \frac{10 * 7}{3}

46.67  cubic centimeter

Total clay used = Volume of 3 rectangular pyramid + volume of 2 triangular pyramid = 77.7 + 46.67 = 124.16 Cubic centimeter

5 0
3 years ago
Find the volume of a hexagonal prism whose base area is 15 yd² and whose height is 10 yd.
stiks02 [169]

Answer:

Volume = 150 cubic yards

Step-by-step explanation:

The basic formula for volume is:

Volume = area of base * height

The image of hexagonal prism is shown attached.

If the base is in different shape, we can use different formula (for that shape the base is in) and find area of base.

But, this problem explicitly gives

Area of Base = 15

Height = 10

We simply substitute in volume formula to find the volume. Shown below:

Volume = Area of Base * Height

Volume = 15 * 10

<u>Volume = 150 cubic yards</u>

3 0
4 years ago
9. (8x - 31)° \(5y + 35) (6x + 3)
Jobisdone [24]
Dang that looks hard
6 0
4 years ago
Please give me an approximation of how long it would take to evacuate a population of 91,000 to a destination 21 miles away, usi
RoseWind [281]

Answer:

The time will depend on the number of people who move on each trip from the point of origin to the destination. If done at the maximum speed allowed using 100 vehicles of 50 seats each, the evacuation would be done in 63.68 hours

Step-by-step explanation:

Population = 91,000 ppl

Speed limit = 60 mph

Distance = 21 miles.

1. <em>Assuming that people is evacuated at the max. speed allowed, it means that each trip will take</em>:

T = D/V

D= 21 miles

V = 60 mph:

So;

T = 21 miles / 60mph

T= 0,35 h

2. Asumming that we are going to use an amount of 100 vehicles  with 50-seats in each trip for evacuating people, it means that we could evacuate

500 people every 0,35 h ≈ 1,429 ppl/hour <em>(evacuation rate)</em>

To know how long it would take us to evacuate 91,000 people under these conditions, we would have to divide the total amount by the previously calculated evacuation rate

T= 91,000/ 1,429 = 63,68 hours

             

6 0
4 years ago
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