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ycow [4]
3 years ago
11

Find the zeros of fhe function. Enter the solutions from least to greatest. f(x)=(x-2)^2-9

Mathematics
1 answer:
dangina [55]3 years ago
3 0

Answer:

5, -1

Step-by-step explanation:

set the given equation equal to 0.

add 9 to both sides

take the square root of both sides and remove the exponent on left side.

x-2 = +3

x-2= -3

solve for x (for each equation)

x= 5, x= -1

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Which sentence can represent the inequality 2.4 (6.2 minus x) greater-than negative 4.5?
-BARSIC- [3]

Answer: Choice B

Two and four tenths multiplied by the difference of six and two tenths and a number is more than negative four and five tenths.

======================================================

Explanation:

2.4 = 2 + 0.4

2.4 = 2 and 4/10

2.4 = 2 and 4 tenths

2.4 = two and four tenths

-------------------

Through similar reasoning,

6.2 = six and two tenths

And also,

-4.5 = negative four and five tenths

---------------------

Notice how 6.2 - x translates into "difference of six and two tenths and a number"

We then multiply that by 2.4, aka two and four tenths.

So that's how we get the phrasing "Two and four tenths multiplied by the difference of six and two tenths and a number"

All of this is greater than -4.5 aka negative four and five tenths.

This points us to Choice B as the final answer.

7 0
3 years ago
Read 2 more answers
How do u do this please help!!
aev [14]

Answer:

<h2>C. 3 gal. 3 qt. 1 pt.</h2>

Step-by-step explanation:

1 gallon = 4 quarts

5 gallons 2 quarts 1 pint = 4 gallons 6 quarts 1 pint

(5 gallons 2 quarts 1 pint) - (1 gallon 3 quarts)

= (4 gallons 6 quarts 1 pint) - (1 gallon 3 quarts)

= 3 gallons 3 quarts 1 pint

7 0
3 years ago
Show work please thank you
Alenkinab [10]
Hey there!:)

b1+b2
--------- x h =area 
2

(3+5)/2h=area

8/2h=area

4(2)=area
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Hope this helps! Let me know if you need more help:) 
8 0
2 years ago
Find two numbers for which the sum is 101 and the difference is 47
ANEK [815]

Answer:

74 and 27

Step-by-step explanation:

let x and y be the numbers

x + y =101........eqn 1

x - y = 47.......eqn 2

solve simultaneously

from equation 2, make x the subject

x= 47 + y........eqn 3

put eqn 3 into eqn 1

(47+y) + y = 101

47 + 2y = 101

       2y= 101 - 47

       2y=54

         y= 54/2

         y= 27

put y=27 into eqn 3

x = 47 + 27

x = 74

5 0
3 years ago
Read 2 more answers
How to solve this problem <br> 9-0.2(4-7)^3
kkurt [141]

Answer:

3.6

Step-by-step explanation:

9-0.2(4-7)^3

9-0.2(-3)^3

9 -0.2 (-27)

9-5.4=3.6

7 0
3 years ago
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