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3 years ago

Need help please need it quick

Mathematics

2 answers:

Strike441 [17]3 years ago

8 0

<h3>option a is the correct answer</h3>

s2008m [1.1K]3 years ago

5 0

Answer:

Choice A

Step-by-step explanation:

An arithmetic sequence is one which has an incremental change.

for our answer, our change is +5

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Are the two lines parallel, perpendicular, or neither? Explain your answer. Show work needed to answer the question.

tatuchka [14]

Answer:

The lines are perpendicular

Step-by-step explanation:

<u><em>The correct question is </em></u>

Are the two lines parallel, perpendicular, or neither? Explain your answer

3x + 7y = 15

7x − 3y = 6

we know that

If two lines are parallel, then their slopes are equal

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of the slopes is equal to -1)

Remember that

The equation of the line in slope intercept form is equal to

$y=mx+b$

where m is the slope

b is the y-intercept

we have

$3x + 7y = 15$ ----> equation A

isolate the variable y and convert the equation in slope intercept form

$y=\frac{15-3x}{7}$

$y=\frac{15}{7}-\frac{3}{7}x$

The slope of the line A is $m_A=-\frac{3}{7}$

$7x-3y = 6$ ---> equation B

isolate the variable y and convert the equation in slope intercept form

$y=\frac{7x-6}{3}$

$y=\frac{7}{3}x-2$

The slope of the line B is $m_B=\frac{7}{3}$

Compare the slopes

$m_A\neq m_B$ ---> the lines are not parallel

$m_A* m_B=(-\frac{3}{7})*(\frac{7}{3})=-1$

The slopes are opposite reciprocal

therefore

The lines are perpendicular

8 0

3 years ago

Dog purchase line for $8000 in 1995. The value of the land is depreciated by 4% each year there after. Use an exponential functi

Vika [28.1K]

The answer to the purchase line is 67

5 0

3 years ago

(free points)

asambeis [7]

Answer:

yeah but give the lamp to the homie below me

3 0

3 years ago

What is the value of x?

Juliette [100K]

Answer:

Step-by-step explanation:

The triangle is split into two similar triangles. They have the same shape but not the same size. To solve, write a proportion to find KY.

$\frac{95.2}{168}=\frac{34}{KY}$

Cross multiply to solve for KY.

95.2(KY) = 168(34)

95.2KY = 5,712

KY = 60

Add KY to 34 to find x.

60 + 34 = 94.

4 0

4 years ago

The product of two integers is 112. One number is four more than three times the other. Which of the following equations could b

shepuryov [24]

Answer:

The equations could be used to find one of the numbers is, $3a^2 + 4a =112$

Step-by-step explanation

Let two integers be a and b.

As per the given statement:

The product of two integers is 112.

⇒ $ab =112$ ......[1]

Also, One number is 4 more than three times the other.

⇒b = 3a +4 ......[2]

Now substitute equation [1] in [2] we get

$a(3a+4) =112$

Using distributive property i.e, $a \cdot (b+c) = a\cdot b + a\cdot c$

$(a)(3a)+ 4a = 112$

Simplify:

$3a^2 + 4a =112$

therefore, the equation that could be used to find one of the numbers is;

$3a^2 + 4a =112$

4 0

3 years ago