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Artyom0805 [142]
3 years ago
5

Identify the slope for each tables below .....Help me

Mathematics
1 answer:
LenaWriter [7]3 years ago
6 0
The slope of number 9 equals 0, becuase it is horizontal.
The slope of number 10 equals.
-  \frac{1}{2}
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1. The amount of extension in an elastic spring varies directly as the weight hung on it. If a weight of 150 gm produces an exte
gregori [183]

Answer:

900 g

Step-by-step explanation:

let e be extension and w be weight

given e varies directly as w then the equation relating them is

e = kw ← k is the constant of variation

to find k use the condition w = 150 , e = 2.9 , then

2.9 = 150k ( divide both sides by 150 )

\frac{2.9}{150} = k , that is

k = \frac{29}{1500}

e = \frac{29}{1500} w ← equation of variation

when e = 17.4 , then

17.4 = \frac{29}{1500} w ( multiply both sides by 1500 )

26100 = 29w ( divide both sides by 29 )

900 = w

3 0
2 years ago
Varies inversely as If x = 6 then y = 8. Find y when x = 4 .<br> Y=
icang [17]

Answer:

Explanation:

The statement is expressed as

y

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inverse means

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To convert to an equation introduce k, the constant of variation.

y

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×

1

x

⇒

y

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To find k use the given condition that y = 8 when x = 4

8

=

k

4

⇒

k

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=

32

⇒

equation is

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

∣

∣

∣

2

2

y

=

32

x

2

2

∣

∣

∣

−−−−−−−−−−−−

x

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8 0
2 years ago
The sum of three consecutive even integers is 36. Let X represent the first integer X plus to represent the second integer and X
tatuchka [14]

x,\ x+2,\ x+4-\text{three consecutive even integers}\\\\\text{The equation:}\\\\x+(x+2)+(x+4)=36\\\\3x+6=36\ \ \ \ |-6\\\\3x=30\ \ \ \ |:3\\\\x=10\\x+2=12\\x+4=14

6 0
3 years ago
Read 2 more answers
You decide to put $100 in a saving account to save for a $3000 down payment on a new car. if the account has an interest rate of
valkas [14]
Hi there
The formula is
A=p (1+r/k)^kt
A future value 3000
P present value 100
R interest rate 0.02
K compounded monthly 12
T time?
We need to solve for t
T=[log (A/p)÷log (1+r/k)]÷k
T=(log(3,000÷100)÷log(1+0.02÷12))÷12
T=170.202 years

So it's a
Hope it helps
4 0
3 years ago
Y = 4x + 7 at x = -2 ?
Artist 52 [7]

Answer:

-1=y

Step-by-step explanation:

6 0
3 years ago
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