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a_sh-v [17]
3 years ago
6

Question 8 of 10

Mathematics
1 answer:
Leviafan [203]3 years ago
4 0

Answer:

option c is the answer for your question

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Y=6x4 + 7x2 and x = vw +1
belka [17]

Answer:

w=-1/6 or w=-3

Step-by-step explanation:

Substitute the value of x and y into the first equation and solve for w:

y=6x^4+7x^2\\10=6(\sqrt{w+1})^4+7(\sqrt{w+1})^2\\10=6(w+1)^2+7(w+1)\\10=6(w^2+2w+1)+7w+7\\10=6w^2+12w+6+7w+7\\0=6w^2+19w+3

Solve for w with the quadratic formula:

w=\frac{-b\±\sqrt{b^2-4ac}}{2a} \\w=\frac{-19\±\sqrt{19^2-4(6)(3)} }{2(6)}\\w=\frac{-19\±\sqrt{361-72}}{12} \\w=\frac{-19\±\sqrt{289} }{12} \\w=\frac{-19\±17}{12}

After simplifying, we get either w=-1/6 or w=-3.

Not sure if w needs to satisfy all conditions while maintaining everything as real numbers, because if w=-3, then x is an imaginary number. But both values work just as fine.

4 0
2 years ago
X 2 + 6x + 8 = 0 Final answer: x = x = ____
mezya [45]
-1 im not sure if you meant 2x+6x+8=0
6 0
4 years ago
What’s the coordinates?
Gnesinka [82]

Answer:

A: (3,4)

B: (4,3)

C: (2,1)

Step-by-step explanation:

The first number in each coordinate is the x value, which is the number of units you go across starting from the origin

The second number in each coordinate is the y value, which is the number of units you go up starting from the origin

3 0
3 years ago
PLz help with these questions. For questions 1 and 2 , write each expression using a single exponent. 1)   x^9/x^2 2) h^14/h^5 F
Zepler [3.9K]
For questions 1 and 2 , write each expression using a single exponent.

1) \ x^9:x^2=x^7\\
\\
2) \ h^{14}:h^{5}=h^9

<span>For questions 3 and 4, simplify each expression.
</span>
3) \ 4^4:4^6=4^{-2}=\frac{1}{4^2}=\frac{1}{16}\\&#10;\\&#10;4) \ 5^0=1

<span>For questions 6-8, multiply the following polynomial.
</span>
6) \ -2r(8r+5)=-16r^2-10r\\&#10;\\&#10;7) \ 4a(a^2+7a+4)=4a^3+28a^2+16a\\&#10;\\&#10;8) \ (2y-3)(3y-2)=6y^2-4y-9y+6=6y^2-13y+6




4 0
3 years ago
Can someone please explain to me how I would do this, I cannot figure out how to do this equation at all!!
Marina86 [1]

Answer:

First, do 4x*4x. then,16x*16x. next, 64x*64x. and,256x*256x. answer:1024x. Divide 1024x by 8x. answer to that is 128.

4 0
3 years ago
Read 2 more answers
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