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Yakvenalex [24]
3 years ago
8

Can someone solve this for me please this is due tomorrow

Mathematics
1 answer:
attashe74 [19]3 years ago
5 0
The answer is

ILOVEMADONNA

Do you need work?
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HURRY UP PLEASE !!
IRISSAK [1]

Answer:

<h2>The x-interecepts are 5.6 and -1.4, approximately.</h2>

Step-by-step explanation:

The given equation is

5x^{2} -21x=39

Where a=5, b=-21 and c=39, let's use the quadratic formula

x_{1,2}=\frac{-b(+-)\sqrt{b^{2}-4ac } }{2a} =\frac{-(-21) (+-)\sqrt{(-21)^{2} -4(5)(-39)} }{2(5)}\\ x_{1,2}=\frac{21(+-)\sqrt{441+780} }{10}=\frac{21(+-35)}{10}\\x_{1}=\frac{21+35}{10}=\frac{56}{10} \approx 5.6\\  x_{2}=\frac{21-35}{10}=\frac{-14}{10} \approx -1.4

Therefore, the x-interecepts are 5.6 and -1.4, approximately.

7 0
3 years ago
Help, this is for my exam
spayn [35]

Answer: Sorry this took so long, here is the photo

Solve for z by simplifying both sides of the equation, then isolating the variable.

6 0
3 years ago
-4 + -7 (-2) =? Minus equations always give me trouble :/
USPshnik [31]
<span>-4 + -7 (-2)
= -4 + 14 (a negative multiplies a negative equal positive)
= 10</span>
8 0
3 years ago
Read 2 more answers
Y = 40 (1.25) Does this equation represent exponential growth<br> or<br> decay?
Tasya [4]

Answer:

Exponential functions are patterns that get continuously multiplied by some number. It's exponential growth when the base of our exponential is bigger than 1, which means those numbers get bigger. It's exponential decay when the base of our exponential is in between 1 and 0 and those numbers get smaller.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the answer to the question?
IrinaVladis [17]

Answer:

the answer is option 4th

3 0
3 years ago
Read 2 more answers
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