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faltersainse [42]
3 years ago
6

Mr.Frazer needs Mr. Freezer needs to grade 100 Majid he graded 35 tests on Monday afternoon spending six minutes per test he gra

ded the remaining test Tuesday afternoon spending four minutes per test, how many hours in or did it take Mr. Fraser to grade his 100 math sheets?
Mathematics
1 answer:
Naddika [18.5K]3 years ago
3 0

Answer:

Mr.Frazer needs Mr. Freezer needs to grade 100 Majid he graded 35 tests on Monday afternoon spending six minutes per test he graded the

Step-by-step explanation:

er test he graded the remaining test Tuesday afternoon spending four minutes per test, how many hours in or did it take Mr. Fraser to grade his 100 math sheets?

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Graph the quadratic functions y=-2xandy=-2x2 + 4 on a separate piece of paper. Using those graphs, compare and contrast the shap
dedylja [7]

Y = -2x^2

h = Xv = -B/2A = 0/-4 = 0.

k = -2*0^2 = 0.

V(0,0).

Use the following points for graphing:

Y = -2x^2.

(x,y)

(-2,-8)

(-1,-2)

V(0,0)

(1,-2)

(2,-8)

Y = -2x^2 + 4.

h = Xv = -B/2A = 0/-4 = 0.

k = Yv = -2*0^2 + 4 = 4.

V(0,4).

(-2,-4)

(-1,2)

V(0,4)

(1,2)

(2,-4)

8 0
2 years ago
Janice wants to buy carpet for a trapezoid shaped room. The bases of the trapezoid are 12 feet and 14 feet, and the height is 15
Usimov [2.4K]
For this case, the first thing to do is find the area of the trapezoid.
 We have then:
 A = (1/2) * (b1 + b2) * (h)

 Where,
 b1: b2: Trapezoid bases
 h: height of the trapezoid
 Substituting values we have:
 A = (1/2) * (12 + 14) * (15)

A = 195 ft ^ 2
 Then, the cost per square foot is given by:
 C = 5.50A

C = 5.50 * 195

C = 1072.5
 Answer:
 
The new carpet for the room will cost:
 
C = 1072.5 $
4 0
3 years ago
Angelique is thinking about buying a house for $179,000. The table below shows the projected value of two different houses for t
marusya05 [52]

Answer:

A)  both functions are linear

B) f(x) = 7446.4x + 178713.6 and f(x) = 11000x + 179000

C) House 2 will value $106894.4 more than house 1.

Step-by-step explanation:

A) Value Increase from year 1 to year 2:

House 1: 193,606.40 - 186,160 = 7446.4

House 2: 201,000 - 190,000 = 11000

Value Increase from year 2 to year 3:

House 1: 201,350.66 - 193,606.40 = 7744.26

House 2: 212,000 - 201,000 = 11000  

This means that a constant increament in x variable gives a constant increament in both houses vales. Then, both functions are linear.

B) The slope is the same as the value increment from one year to the next one.

slope (m) of House 1: 7446.4

slope (m) of House 2: 11000

General formula of a line:

f(x) = mx+b

Replacing with a known point:

<u>House 1</u>

186,160 = 7446.4(1) + b

b = 186,160 - 7446.4 = 178713.6

equation: f(x) = 7446.4x + 178713.6

<u>House 2</u>

190,000 = 11000(1) + b

b = 190,000 - 11000 = 179000

equation: f(x) = 11000x + 179000

C) Replacing x = 30 into each equaiton:

<u>Value of House 1 after 30 years</u>

f(x) = 7446.4(30) + 178713.6 = 402105.6

<u>Value of House 2 after 30 years</u>

f(30) = 11000(30) + 179000 = 509000

Then, house 2 will value 509000 - 402105.6 = $106894.4  more than house 1.

8 0
3 years ago
24 divded by v + k when v = 3 and k = 12
konstantin123 [22]
What? i’m confused haha
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3 years ago
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