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3 years ago

How t solve and graph x-2>4 inequalities

Mathematics

1 answer:

Ymorist [56]3 years ago

4 0

Please help with this

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Simplify the expression.<br><br> (–1 + 6i) + (–4 + 2i)

mina [271]

(-1+6i)+(-4+2i) =====> -5+8i (simplified)

4 0

3 years ago

Read 2 more answers

32<br> what value of x is the equation 2^2x+ 7 = 2^15true?

Talja [164]

Value of x = 7.499

Step-by-step explanation:

We need to find value of x in the equation: $2^{2x}+ 7 = 2^{15}$

This can be solved using natural log

Solving:

$2^{2x}+ 7 = 2^{15}$

Subtract 7 from both sides:

$2^{2x}+ 7-7 = 2^{15}-7$

Simplifying:

$2^{2x}=32768-7$

$2^{2x}=32761$

Using rule if f(x)=g(x) then, ln(f(x))=ln(g(x))

So,

$ln(2^{2x})=ln(32761)$

Applying log rule: logₐ(x^b)= b logₐ(x)

$2x(ln(2))=ln(32761)$

Divide both sides by 2ln(2)

$2x(ln(2))=[tex]\frac{2x(ln(2))}{2(ln(2))}=\frac{ln(32761)}{2(ln(2))} \\x=\frac{ln(32761)}{2(ln(2))}\\Rewriting\,\,32761\,\,as 181^2\\x=\frac{ln(181^2)}{2(ln(2))}\\x=\frac{2ln(181)}{2(ln(2))}\\x=\frac{ln(181)}{ln(2)}\\x=7.499$

So, Value of x = 7.499

Keywords: Solving Equations

Learn more about Solving Equations at:

#learnwithBrainly

3 0

4 years ago

What is 49 x 138 - 37 x 49

likoan [24]

49 x 138 = 6762
37 x 49 =1813
6762 - 1813 = 4949 so your answer is 4949.

7 0

3 years ago

What is usually the highest percentage of family income that lenders allow for monthly mortgage payments

bonufazy [111]

I would say about 28%. this would include the mortgage principal, mortgage interest , and all taxes and home insurance. hope this helped

3 0

3 years ago

An apartment building has 35 floors with 12 apartments on each floor. There are 300 apartments that have 2 bedrooms. The rest of

Lena [83]

Answer:

120 is the answer, if we multiply 35×12= 420 apartments and there is 300 with 2 bedrooms. 420-300= 120 apartments with 1 bedroom. I hope it was helpful!

4 0

3 years ago