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Rashid [163]
2 years ago
9

Solve using the quadratic formula x^2-3x+1=0

Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
3 0
I don’t see a GCF or common factor so just use quadratic. 3+- Square root (9-(4))/2
X= ~2.62 or X=~.38
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Which graph represents y – 1 = 2(x – 2)?<br><br> Thank You! :)
Llana [10]
Y = 2(x – 2)+1
y = 2x – 4+1
y = 2x-3

insert x=0 -> y=-3, only the first graph passes through (0,-3) -> it is the first graph
5 0
3 years ago
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Suppose that there were a negative correlation between the variables a and b. If b is 90 when a is 8, which of these is most lik
Anastaziya [24]
I think this is D.45 but not to sure about that
3 0
3 years ago
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Veronika [31]
The answer would have to be 12
6 0
3 years ago
Find the product (4x-5y)^2
sleet_krkn [62]
To find the product of (4x-5y)^2,
we can rewrite the problem as:
(4x-5y)(4x-5y) (two times because it is squared)

Now, time to use that old method we learned in middle school:
FOIL. (Firsts, Outers, Inners, and Lasts)

FOIL can help us greatly in this scenario.
Let's start by multiplying the 'Firsts' together:
4x * 4x = <em>16x^2</em>

Now, lets to the 'Outers':
4x * -5y = <em>-20xy</em> 

Next, we can multiply the 'Inners':
-5y * 4x = <em>-20xy</em>

Finally, let's do the 'Lasts':
-5y * -5y = <em>25y</em>^2

Now, we can take the products of these equations from FOIL and combine like terms. We have: 16x^2, -20xy, -20xy, and 25y^2.
-20xy and -20xy make -40xy.

The final equation (product of (4x-5y)^2) is:
16x^2 - 40xy + 25y^2

Hope I helped! If any of my math is wrong, please report and let me know!
Have a good one.
4 0
3 years ago
Find the value for the side marked below.
KatRina [158]

Answer:

167.7

Step-by-step explanation:

210cos(37)=167.7134571

just type it in a calculator

7 0
3 years ago
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