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Komok [63]
2 years ago
15

HELLLPP

Mathematics
1 answer:
melisa1 [442]2 years ago
5 0
The first set of ordered pairs does not represent a function

reasoning: there cannot be more than one of the same number for the X value in a function
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A rectangular parking lot has a length 20 H more
leva [86]

Let the width = X

The length would be X + 20

Area = Length x width:

2400 = x * (x+20)

Simplify:

2400 = x^2 + 20x

Subtract 2400 from both sides:

x^2 + 20x - 2400 = 0

Factor:

(x-40) (x+60) = 0

Solve for both x's:

x = 40 and x = -60

The dimensions of a parking lot have to be positive values so you would use x = 40.

The width = x = 40

The length = x +20 = 40+20 = 60

The dimension of the parking lot is 40H x 60H

4 0
2 years ago
The drawing plan for an art studio shows a rectangle that is 10.2 inches by 6 inches. The scale in the plan is 3 in.: 5 ft. Find
Airida [17]
6 in= 10 ft
10.2 in= 17ft
Area= 170ft
3 0
2 years ago
Read 2 more answers
Find a8 when a1 = 40,000, r = 0.1
Sindrei [870]

Answer:

a8 = 0.004

Step-by-step explanation:

Q is abt a geometric series given by the eqn: an = a1*r^(n-1)

given a1 = 40000, r = 0.1

an = 40000*(0.1)^(n-1)

a8 = 40000*(0.1)^(8-1)

= 40000*(0.1)^7

= 0.004


3 0
3 years ago
Read 2 more answers
Help answer please!!
12345 [234]

Answer:

h = 19.7 ft.

Step-by-step explanation:

Use the Pythagoras Theorem

(Hypotenuse)^2 = (Base)^2 + (Perpendicular)^2\\\\(20)^2=(3.5)^2+(h)^2\\400=12.25+h^2\\400-12.25=h^2\\387.75=h^2\\

Now we take square root on both sides,

\sqrt{387.75} =\sqrt{h^2}\\19.69=h\\h=19.7\ ft\\

so the value of h equals 19.7 ft.

6 0
2 years ago
Six times the product of eleven and two
Pie

11x2=22

22x6=132

I believe the answer is 132

8 0
3 years ago
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