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antiseptic1488 [7]
4 years ago
14

I have a question for you guys to please do

Mathematics
1 answer:
Akimi4 [234]4 years ago
5 0

Answer:

(3, 6 ) and (- 3, 18 )

Step-by-step explanation:

Equate the right side of both equations, that is

x² - 2x + 3 = - 2x + 12 ← subtract - 2x + 12 from both sides

x² - 9 = 0 ← in standard form

(x - 3)(x + 3) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 3 = 0 ⇒ x = 3

x + 3 = 0 ⇒ x = - 3

Substitute these values into f(x) = - 2x + 12

f(3) = - 2(3) + 12 = - 6 + 12 = 6 ⇒ (3, 6 )

f(- 3) = - 2(- 3) + 12 = 6 + 12 = 18 ⇒ (- 3, 18 )

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Amelia, Luis, Shauna, and Clarence used different approaches to solve the inequality
mezya [45]

Answer:

Luis’s, because he flipped the inequality sign when he subtracted

Step-by-step explanation:

7.2b + 6.5 > 4.8b – 8.1.

Amelia started by subtracting 7.2b from both sides to get

6.5 > –2.4b – 8.1

Correct

Luis started by subtracting 4.8b from both sides to get

2.4b + 6.5 < – 8.1

Incorrect

Shauna started by subtracting 6.5 from both sides to get

7.2b > 4.8b – 14.6

Correct

Clarence started by adding 8.1 to both sides to get

7.2b + 14.6 > 4.8b

Correct

Luis’s is incorrect because he flipped the inequality sign when he subtracted

6 0
3 years ago
Find the difference: (6y3 17y − 3) − (4y3 − 11y 9)
Natali [406]
If you would like to find the difference (6y^3 + 17y - 3) - (4y^3 - 11y + 9), you can do this using the following steps:

(6y^3 + 17y - 3) - (4y^3 - 11y + 9) = 6y^3 + 17y - 3 - 4y^3 + 11y - 9 = 2y^3 + 28y - 12

The correct result would be 2y^3 + 28y - 12.
8 0
3 years ago
crystal is picking blueberries.so far,she has filled 2/3 of her basket,and the blueberries weigh 3/4pound .the equation 2/3w=3/4
vesna_86 [32]
In order to do this, we multiply both sides be the amount that would make the left side equal to 1.  This number is the reciprocal of the fraction, so we multiply both sides by 3/2.  This is equal to:

w = 9/8

So, the blueberries in crystal's basket will weigh 9/8 pounds when it is full.
7 0
4 years ago
There are 60 animal exhibits at the local zoo. What percent of the zoo's exhibits does each animal class represent?​
snow_lady [41]

Answer:

30+15+12+3=  60

for mammal 30/60=0.50%

reptile 15/60=0.25%

fish  12/60= 0.20%

bird 3/60=0-05%

i hope that helps

8 0
3 years ago
How do you simplify the answer for 185/200
butalik [34]

Answer:

37/40

Step-by-step explanation:

Divide by 5 to both numbers, since they both end in a 0 or 5.

185/5= 37

200/5= 40

I believe this is your answer since it cannot be simplified anymore.

8 0
4 years ago
Read 2 more answers
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