3 years ago

What is the area of y?

Mathematics

1 answer:

Fofino [41]3 years ago

6 0

What does the A equal? Its to blurry to see

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8x+5y=24 y=-4x Solve for y and x

Cloud [144]

Answer:

x= -2 and y= 8

Step-by-step explanation:

8x+5y=24-------A

y=-4x---------B

Putting the value of y from B in A

8x+5(-4x)=24

8x +(-20x)= 24

8x-20x=24

-12x=24

x= -24/12

x=-2--------C y =-4(-2)=8

8 0

3 years ago

Please answer this question

Vladimir [108]

Answer:

a = 3/2
b = -1/2

Step-by-step explanation:

$\dfrac{\sqrt{5}-1}{\sqrt{5}+1}=\dfrac{(\sqrt{5}-1)(\sqrt{5}-1)}{(\sqrt{5}+1)(\sqrt{5}-1)}\\\\=\dfrac{5-2\sqrt{5}+1}{5-1}=\dfrac{6-2\sqrt{5}}{4}\\\\=\dfrac{3}{2}-\dfrac{1}{2}\sqrt{5}$

Comparing this to the form a+b√5, we see that ...

a = 3/2

b = -1/2

8 0

3 years ago

What is the degree of 15x^3+63x+27x^4+35? A) 0 B) 1 C) 3 D) 4

levacccp [35]

Answer:

D.) 4

Step-by-step explanation:

Your highest exponent is your degree.

Its easier if you put the polynomial in order:

27x^4+15x^3+63x+35

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3 years ago

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Which of the following is TRUE about protein and supplements in diets?

slavikrds [6]

Answer:

The answer is C. It is Uncertain whether many dietary supplements are Effective

Step-by-step explanation:

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3 years ago

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2/3 of 16 ...........................

maxonik [38]

Answer:

2/3 * 16

32/3 = 10.66

hope it helps

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3 years ago

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