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alexdok [17]
2 years ago
13

Classify the solution set of each equation below as one of the following types of surfaces: A. parabolic cylinder, B. ellipsoid,

C. elliptic paraboloid, D. hyperbolic paraboloid, E. cone, and F. hyperboloid.

Mathematics
1 answer:
taurus [48]2 years ago
3 0

Answer:

the complete question is found in the attachment

1) D. hyperbolic paraboloid

2)C. elliptic paraboloid

3)E. cone

4)F. hyperboloid.

Step-by-step explanation:

The complete explanation is found in the attachment

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Kim's business earns $10,000 per month. Kim's non-employee expenses are $3,000 per month. If Kim wants $2,000 in profit per mont
MA_775_DIABLO [31]

Answer:

Kim's business earns $10,000 per month.

Kim's non-employee expenses are $3,000 per month.

If Kim wants $2,000 in profit per month, then the maximum amount Kim can spend for employee:

10000 - 3000 - 2000 =5000

If each employee costs $1,000 per month, Kim can recruit 5000/1000 = 5 as the maximum number of employees.

Hope this helps

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8 0
2 years ago
Read 2 more answers
A car with 15 gallons of gasoline drives 420 miles until the tank is empty. Write a linear equation that describes the amount of
DedPeter [7]

Answer:

g = 15 - m/28

Step-by-step explanation:

let g = gasoline

let m = miles

  • g = 15 - m/28

since you can drive 420 miles with 15 gallons of gas, you can drive 28 miles with one gallon (= 420/15 = 28)

e.g.

you drive 100 miles, then you will have:

g = 15 - 100/28 = 15 - 3.57 = 11.43 gallons of gas left

you drive 240 miles:

g = 15 - 240/28 = 6.43 gallons

4 0
2 years ago
Howard has a scale model of the Statue of Liberty. The model is 15 inches tall. The scale of the model to the actual statue is 1
sergiy2304 [10]

Answer:

Required equation \frac{1}{6.2}=\frac{15}{x}

The height of statue of liberty is 93 meters.

Step-by-step explanation:

Given : Howard has a scale model of the Statue of Liberty. The model is 15 inches tall. The scale of the model to the actual statue is 1 inch : 6.2 meters.

To find : Which equation can Howard use to determine x, the height in meters, of the Statue of Liberty?

Solution :

The model is 15 inches tall.

The scale of the model to the actual statue is 1 inch : 6.2 meters.

Let  x be the height in meters of the Statue of Liberty.

According to question, required equation is

\frac{1}{6.2}=\frac{15}{x}

Cross multiply,

x=15\times 6.2

x=93

Therefore, the height of statue of liberty is 93 meters.

4 0
2 years ago
What is the solution for x in the equation? -4 + 5x − 7 = 10 + 3x − 2x A.  B.  C.  D. 
laiz [17]

Answer:

x=21/4

Step-by-step explanation:

1. combine like terms

-4+-7= -11  3x-2x=x

2. subtract x

5x-11=x+10

4x-11=10

3. add 11

4x=21

4. divide 21 by 4 = 21/4

8 0
2 years ago
three positive numbers are in Arithmetic Progression (A.P). the sum of the squares of the three numbers is 155. while the sum of
Alecsey [184]
Given:
Three numbers in an AP, all positive.
Sum is 21.
Sum of squares is 155.
Common difference is positive.

We do not know what x and y stand for.  Will just solve for the three numbers in the AP.
Let m=middle number, then since sum=21, m=21/3=7
Let d=common difference.
Sum of squares
(7-d)^2+7^2+(7+d)^2=155
Expand left-hand side
3*7^2-2d^2=155
d^2=(155-147)/2=4
d=+2 or -2
=+2  (common difference is positive)

Therefore the three numbers of the AP are
{7-2,7,7+2}, or
{5,7,9}


6 0
2 years ago
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