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Alinara [238K]
3 years ago
14

Find the slope between (7,1) and (4,8).

Mathematics
2 answers:
stealth61 [152]3 years ago
4 0

Step-by-step explanation:

8-1/4-7 = 7/-3 this the answer I guess

Ivanshal [37]3 years ago
3 0

Answer:

-2.33

Step-by-step explanation:

1-8 =-7

7-4=3

-7 divided by 3 = -2.33

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5^2+b^2=13^2 steps to solve
Ket [755]

Answer:

b=12 or b=−12

Step-by-step explanation:

4 0
3 years ago
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Write an exponential function for graph that passes through the following points (-3,80);(-1,20)
padilas [110]

Answer:

y

=

4

(

1

2

)

x

Explanation:

An exponential function is in the general form

y

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a

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b

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We know the points

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−

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and

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2

)

, so the following are true:

8

=

a

(

b

−

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=

a

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2

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(

b

1

)

=

a

b

Multiply both sides of the first equation by

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8

b

=

a

Plug this into the second equation and solve for

b

:

2

=

(

8

b

)

b

2

=

8

b

2

b

2

=

1

4

b

=

±

1

2

Two equations seem to be possible here. Plug both values of

b

into the either equation to find

a

. I'll use the second equation for simpler algebra.

If

b

=

1

2

:

2

=

a

(

1

2

)

a

=

4

Giving us the equation:

y

=

4

(

1

2

)

x

If

b

=

−

1

2

:

2

=

a

(

−

1

2

)

a

=

−

4

Giving us the equation:

y

=

−

4

(

−

1

2

)

x

However! In an exponential function,

b

>

0

, otherwise many issues arise when trying to graph the function.

The only valid function is

y

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7 0
3 years ago
Please help use pic.
sertanlavr [38]
Let the reduced price be x

If he paid for 6 rounds, he paid 1 round at full price of $19 and 5 rounds at reduced price:
19 + 5x = 59
5x = 59 - 19
5x = 40
x = 40 ÷ 5 
x = 8

The reduced price is at $8 per round.

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