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Aleks [24]
3 years ago
8

Plzzzz Find the value of x

Mathematics
1 answer:
Elena L [17]3 years ago
5 0

Answer:

the answer is 55

Step-by-step explanation:

x + x + 90 = 180

2x + 90 = 180

2x = 180- 90 = 110

x = 110 ÷ 2 = 55

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Find the equation of a line passing through the point (6,−5) and parallel to the line y = 7x + 1. answers : y = 7x − 47 y = −17x
Elan Coil [88]

Answer:

<h2>y = 7x-47</h2>

Step-by-step explanation:

y = 7x + 1.\\(6,-5)\\m= 7\\x1= 6\\y1 = -5\\y-y1=m(x-x1)\\y-(-5) = 7(x-6)\\y+5=7x-42\\y=7x-42-5\\y = 7x-47

3 0
3 years ago
How to round 1,199,495 to the nearest hundredth
ollegr [7]
The next bigger hundredth is 1,199,495.01 .
The next smaller hundredth is 1,199,494.99 .
The number in the question is exactly midway in between those. Neither of them is closer to the number than the other one is. So the number is already at the nearest hundredth.
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4 years ago
Read 2 more answers
What is the midpoint of the segment below?
Nastasia [14]
Answer is A: (7, 3)
7 0
3 years ago
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A submarine is at the surface of the ocean. It begins its descent at a rate of 100 feet per minute. Write a linear model in the
Bingel [31]

Answer:

d(t) = -100t

Step-by-step explanation:

The general expression for the linear model is:

d(t)=mt+b

Since the submarine already starts at sea level, b=0:

d(t)=mt

The constant "m" is the rate at which the submarine descends in feet per minute. Considering depth as a negative quantity, m=-100

d(t)=-100t

The linear model that represents the depth of the submarine relative to sea level, in feet, after t minutes is d(t) = -100t.

5 0
3 years ago
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The score on a trivia game is obtained by subtracting the number of incorrect answer from twice the number of correct answer. If
brilliants [131]

Answer:

The player answer correctly 30 questions

Step-by-step explanation:

First we have to develop the information that gives us as 2 equations

x = correct answer

y = incorrect answer

z = score = 40

h = total answer = 50

2x - y = z               x + y = h

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we clear the x of one equation and replace the value of x in the other equation

x = 50 - y

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2(50 - y) - y = 40

100 - 2y - y = 40

-3y = 40 -100

y = -60/-3

y = 20

x = 50 - y

x = 50 - 20

x = 30

3 0
3 years ago
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