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kozerog [31]
3 years ago
11

(y-7)^2=2y^2-4y+73 solve for y

Mathematics
1 answer:
masya89 [10]3 years ago
7 0

Answer:

y=-4 or y=-6

Step-by-step explanation:

y^2-14y+49=2y^2-4y+73

y^2+10y+24=0

(y+4)(y+6)=0

y=-4 or y=-6

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3. There are 124 acorns laying on the ground in your yard, it is predicted that the number of acorns will
Gennadij [26K]

Answer:

507,409

Step-by-step explanation:

if every 5 days the number quadruples (x4), and we want to know how many acorns fall after 30 days, we can divide 30 by 5 so we only have to calculate for the amount of time the take to quadruple.

30 ÷ 5 = 6

so we only have to quadruple the acorns 6 times.

if we start off with 124 acorns, this is what it will look like:

Day 0: 124 acorns

Day 5: 124 x 4 = 496 acorns

Day 10: 496 x 4 = 1984 acorns

Day 15: 1984 x 4 = 7936 acorns

etc... until day 30.

Day 30: 507904 acorns

I hope this was helpful :-)

5 0
3 years ago
WILL GIVE BRAINLIEST PLEASE HELP!!
Anastasy [175]
Hi.

Your answer is going to be

C.) 33

Hope this helps! :)
5 0
4 years ago
Which of the following is equivalent to the equation below?
DerKrebs [107]
B is the correct answer R=Q-7s/4
6 0
3 years ago
Who can help me and answer the 2 questions for me :(
Art [367]
For Question 1:
angle CAB, angle ABC, angle BCA

Question 2: angle BCD
8 0
3 years ago
(11c^4)^3 ? I need help
Bad White [126]
To do this, you cube each section. You cube the 11 and the c^4. 11^3=1331 and (c^4)^3=c^12 (You multiply the 2 exponents). So your answer is 1331c^12
5 0
3 years ago
Read 2 more answers
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