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hjlf
3 years ago
11

Please answer 20 questions i WILL MARK YOU BRAINLIEST PLEASE HELP ME 5 QUESTIONSSSSS PLEASEEE HELPPP

Mathematics
2 answers:
allochka39001 [22]3 years ago
8 0
The answers should be 1D, 2C, 3B, 4A, and 5A.
tekilochka [14]3 years ago
3 0

Answer:

The answers should be 1D, 2C, 3B, 4A, and 5A.

Step-by-step explanation:


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Which equation represents the line that is perpendicular to and passes through (-12,6)?.
Evgesh-ka [11]

The equation that represents the line that is perpendicular is

3y + 5x = -42

The standard equation of a line in point-slope form is expressed as:

y-y_1=m(x-x_1)

  • m is the slope of the lne
  • (x1, y1) is any point on the line.

  • Given the equation y = 3/2x + 1, the slope of the line is 3/5

  • The s<u>lope of the line perpendicular</u> is -5/3

Substitute the point (-12, 6) and the slope m = -5/3 into the equation above to have:

y-6=-5/3(x-(-12))\\3(y-6)=-5(x+12)\\3y-18=-5x-60\\3y = -5x - 60 + 18\\3y + 5x = -42\\

Hence the equation that represents the line that is perpendicular is

3y + 5x = -42

Learn more on equation of a line here:brainly.com/question/19417700

7 0
2 years ago
The length of each side of a regular pentagon is increased by 8 inches, so the perimeter is now 65 inches. What is the original
evablogger [386]

<em>Here</em> as the <em>Pentagon</em> is <em>regular</em> so it's <em>all sides</em> will be of <em>equal length</em> . And if we assume It's each side be<em> </em><em><u>s</u></em> , then it's perimeter is going to be <em>(s+s+s+s+s) = </em><em><u>5s</u></em>.And as here , each <em>side</em> is increased by <em>8 inches</em> and then it's perimeter is <em>65 inches</em> , so we got that it's side after increament is<em> (s+8) inches</em> and original length is <em>s inches </em>. And if it's each side is <em>(s+8) inches</em> , so it's perimeter will be <em>5(s+8)</em> and as it's equal to <em>65 inches</em> . So , <em><u>5(s+8) = 65</u></em>

{:\implies \quad \sf 5(s+8)=65}

{:\implies \quad \sf 5s+5\times 8=65}

{:\implies \quad \sf 5s+40=65}

{:\implies \quad \sf 5s=65-40}

{:\implies \quad \sf 5s=25}

{:\implies \quad \sf s=\dfrac{25}{5}=5}

{:\implies \quad \bf \therefore \quad \underline{\underline{s=5\:\: Inches}}}

As we assumed the original side to be <em><u>s</u></em> .

<em>Hence, the original side's length 5 inches </em>

8 0
2 years ago
The bank has accepted Mrs. Hudson's application for a mortgage to buy property worth $375,575. She has to pay 19 percent of the
Lostsunrise [7]
The loan amount will equal to 304,215.75
3 0
3 years ago
Read 2 more answers
Jimmy pays $2.93 for each gallon of gas. Which table best represents the relationship between g, the number of gallons purchased
Varvara68 [4.7K]
1 gallon = 2.93
2 gallons = 5.86
3 gallons = 8.86

Therefore the correct table is D.
3 0
3 years ago
Solve for u in terms of s, t, and v. <br> t = u + s + v
harina [27]

Answer:

t = u + s + v \\  \boxed{u = t - s - v}

  • <u>u = t-s-v</u> is the right answer.
7 0
2 years ago
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