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tia_tia [17]
3 years ago
10

PLEASE HELP! I'M BEING TIMED :(( PLZ HELP!! Which point is an x-intercept of the quadratic function f(x) = (x – 8)(x + 9)? (0,8)

(0,–8) (9,0) (–9,0)
Mathematics
1 answer:
Anon25 [30]3 years ago
8 0
(-9,0) Is one of the x-intercepts
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Convert 30 mph to meters per s3cond and round to the nearest tenth​
Tamiku [17]

Answer:

13.4

Step-by-step explanation:

Divide the number of meters in a mile (1,609.344) by the number of seconds in an hour (3,600): 1,609.344 divided by 3,600 equals 0.44704. One mile per hour equals 0.44704 meters per second.

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What is 1.9 inches to the nearest fourth inch?
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3 years ago
Help plssss idk what to do!!!!!!!!!
Firdavs [7]

9514 1404 393

Answer:

  y = 1

Step-by-step explanation:

Recognize that 25 and 125 are powers of 5 and rewrite the equation in terms of powers of 5.

The applicable rules of exponents are ...

  (a^b)^c = a^(bc)

  (a^b)/(a^c) = a^(b-c)

  (a^b)(a^c) = a^(b+c)

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Your equation can be written as ...

  25^4\div5^{5y}=125^y\\\\(5^2)^4\div5^{5y}=(5^3)^y\\\\5^{8-5y}=5^{3y}\\\\8-5y=3y\qquad\text{equate exponents of the same base}

Now this can be solved as an ordinary linear equation.

  8 = 8y . . . . . . add 5y to both sides

  1 = y . . . . . . . divide by 8

The solution is y = 1.

4 0
3 years ago
What is 5x + 5 + 5x = -75
Dafna11 [192]

Answer:

-8

Step-by-step explanation:

first combine like terms 5x+5x=10x

then subtract 5 from -75= -80

divide -80 by 10= -8

you are left with -8=x

4 0
3 years ago
PLS HELP ME! Write a rule (function) for the data in this table.
yKpoI14uk [10]

Answer:

y = x - 3

<h3>How I know I'm correct:</h3>

if you plug in the numbers from the table, it checks out.

y = x - 3

0 = 3 - 3

0 = 0

y = x - 3

1 = 4 - 3

1 = 1

y = x - 3

2 = 5 - 3

2 = 2

and so on

5 0
3 years ago
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