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4 years ago

What are two lines in the same plane that intersect at right angles?

Mathematics

2 answers:

Tems11 [23]4 years ago

5 0

The correct answer is B.line Segment

Hope this helps

andrew11 [14]4 years ago

3 0

Answer:

its d trust me im on usatestprep

Step-by-step explanation:

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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

The triangular prism below has a base area of 9 cm and a height of 23 cm. What is the volume of the prism?

kaheart [24]

The answer is A you multiple base times height

4 0

3 years ago

Read 2 more answers

What is M and N? THE PICTURE IS DOWN

Elza [17]

Answer:

M and N is N and M

Step-by-step explanation:

4 0

3 years ago

Use the product rule to simplify the radical— square root 315

Luden [163]

Product rule with radicals: √ab = √a × √b

Using the product rule, simplify the radical as such:

√315 = √7 × √45 = √7 × √9 × √5 = 3 × √7 × √5 = 3√35

<u>The simplified radical of √315 is 3√35.</u>

5 0

4 years ago

A fire truck has a ladder that can extend to 120 ft in length. The ladder can be safely raised to the maximum angle of 75 with t

marta [7]

Answer:

the ladder is 60 feet and the angle is 75 degrees guess and check sin75=x/60

0.9659258263=x/60

57.9555=x

57.96=x

so B

3 0

3 years ago