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lilavasa [31]
2 years ago
12

Which is an equation of the line that passes through the point (8,7) and is perpendicular to the line whose equation is y = 4x-1

?
Mathematics
1 answer:
algol [13]2 years ago
7 0

Answer:

Y = -1/4x + 5

Step-by-step explanation:

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Explain why the expression 10 to the power of zero, one to the power of four and 1×1.0 to the power of zero have the same value
Nina [5.8K]

Answer:

10*0=1, according to the law of indices which states that anything to the zero power is equal to one

1*4=1×1×1×1=1

1×1.0=1.0=1

3 0
2 years ago
on Monday joe bought 10 cups of coffee and 5 doughnuts for his his office at the cost of $16.50. It turns out that the doughnuts
AfilCa [17]

X= be coffee

Y=be donuts


Set up equations


10x+5y=16.50

5x+10y=14.25


Now multiply first equation by -2 to get a negative


(-2)10x+5y(-2)=16.50(-2)


-20x-10y=-33


Now put both equations to solve for x


-20x-10y=-33

5x+10y=14.25

___________

-15x. = -18.75


Now divide -15 bith sides to get x alone


X= -18.75/-15


X= 1.25



The cost of each coffee cup$1.25



7 0
3 years ago
A team of seven workers started a job, which can be done in 11 days. On the morning of the fourth day, several people left the t
Lapatulllka [165]

Answer:

  • 3 people left

Step-by-step explanation:

  • The job can be completed by 7 people in 11 days
  • The job is equivalent of 7*11 = 77 people*days

<u>After 3 days, job left:</u>

  • (11 - 3)*7 =  56 people*days

This was completed by 7 - x people as x people left

<u>Time needed was 14 days, we have new equation:</u>

  • 14(7 - x) = 56
  • 7 - x = 4
  • x = 7 - 4
  • x = 3

As we found, 3 people left

6 0
2 years ago
What is the sum of the angle measures in this shape
Alexxx [7]

Answer:

180°

Step-by-step explanation:

The sum of angles in any triangle is 180°

3 0
2 years ago
I rlly suck at math so plz help lol
Jlenok [28]

Answer:

A. 81

Step-by-step explanation:

Combine fractions, that equals 2/5 in your exponent. Three to the 2/5 power is 81. So answer A.

6 0
3 years ago
Read 2 more answers
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