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Ainat [17]
3 years ago
14

2x²+10x+12 factor. how do I find the solution?

Mathematics
1 answer:
almond37 [142]3 years ago
8 0
2 * (x+3) * (x+2)
That is all I got
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Please help, if able! 10 points up^^
Debora [2.8K]

cosine=\dfrac{adjacent}{hypotenuse}\\\\sine=\dfrac{opposit}{hypotenuse}\\\\\boxed{\cos57^o=\dfrac{x}{51}}

7 0
3 years ago
Solve using quadratic equation: 6x^2 + 7x +2=0
Alika [10]
Step 1: Factor left side of equation.

(3x+2)(2x+1)=0

Step 2: Set factors equal to 0.

3x+2=0 or 2x+1=0

x=−23 or x=−12

Answer:

x=−23 or x=−12

3 0
3 years ago
Help help !! Please
JulijaS [17]

Answer:

mean = 70000

SD = 15239

X= 95000

Z  = (X-mean)/ SD

   = (95000-70000)/15239

   = 1.64

Now from Z-Table

% of employees = 100(1-.9495) = 5.02%

8 0
3 years ago
What is the formula for the confidence interval? Then, define what each variable represents.
Alisiya [41]
The confidence interval for a <span>(1−α)%</span> confidence level is given by
<span>
(<span>θ0</span>−<span>Z<span>α/2 </span></span><span>σ/√n</span>, <span>θ0</span>+<span>Z<span>α/2 </span></span><span>σ/√n</span>)

</span><span>θ0</span> is the measured statistic, <span>Z<span>α/2</span></span> is the cutoff/critical value, and <span>σ/<span>√n</span></span> is the standard error. σ is the population standard deviation (if known) or can be estimated by a sample standard deviation. n is the sample size. The cutoff value depends on the test you wish to use, and <span>θ0</span><span> depends on the statistic you wish to estimate.</span>
7 0
3 years ago
The school store sells markers for $0.35 each and pencils for $0.15
Reil [10]
4 markers and 9 pencils
8 0
3 years ago
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