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Aneli [31]
3 years ago
7

Don’t know how to do this

Mathematics
1 answer:
garik1379 [7]3 years ago
6 0
I’m Kendall and when do you have to turn this in by
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Cole said All prime numbers are odd and all composite numbers are even do you agree with cole?
Anit [1.1K]
A prime number is such that it is divisible by only itself and one. ... Two is a prime because it is divisible by only two and one. All the other even numbers are not prime because they are all divisible by two. That leaves only the odd numbers.
3 0
3 years ago
Read 2 more answers
Solve for y x=y^2+4y
Lorico [155]
x=y^2+4y\\ y^2+4y-x=0\\\Delta=4^2-4\cdot1\cdot(-x)=16+4x\\\\
1.\ \Delta0\\
\sqrt{\Delta}=\sqrt{16+4x}=\sqrt{4(4+x)}=2\sqrt{x+4}\\
y_1=\frac{-4-2\sqrt{x+4}}{2\cdot1}=-2-\sqrt{x+4}\\
y_2=\frac{-4+2\sqrt{x+4}}{2\cdot1}=-2+\sqrt{x+4}\\

-----------------------------------------------------

x=y^2+4y\\ y^2+4y-x=0\\
y^2+4y+4-4-x=0\\
(y+2)^2=x+4\\
y+2=\sqrt{x+4} \vee y+2=-\sqrt{x+4}\\
y=-2+\sqrt{x+4} \vee y=-2-\sqrt{x+4}\\

4 0
3 years ago
<strong>Racionaliza las siguientes expresiones:</strong><br />a) 1-√3/5√2<br />b) 3-√3/3+√3
Nostrana [21]
a) \frac{1- \sqrt{3} }{5 \sqrt{2} } = \frac{\sqrt{2}- \sqrt{6}  }{10} \\\\
b) \frac{3- \sqrt{3} }{3+\sqrt{3}} = \frac{3\sqrt{3}-3}{6} = \frac{3(\sqrt{3}-1)}{6} =\frac{\sqrt{3}-1}{2}.
7 0
3 years ago
.) Find the sum of the first n terms of the geometric sequence for the values of a1and r.
Vinvika [58]
Sn = a(r^n - 1)/(r - 1)
S4 = 228(4.8^4 - 1)/(4.8 - 1) = 228(530.8416 - 1)/3.8 = 228(529.8416)/3.8 = 120,803.8848 / 3.8 = 31,790.496
3 0
3 years ago
Please help ASAP!
Taya2010 [7]

Answer:

I think

Step-by-step explanation:

If you chose Isosceles Right Triangle Reflection to prove ASA Congruence,. You can use the distance formula to show congruency for the sides. To show an angle is congruent to a corresponding angle, use your compass and straightedge.

8 0
3 years ago
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