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baherus [9]
2 years ago
10

Plz help i beg i will give brainlist and 20 points

Mathematics
2 answers:
defon2 years ago
6 0

Answer:

His equation is correct but his calculations are incorrect.

Step-by-step explanation:

180-40=140 so y=140

Hope this helps!

g100num [7]2 years ago
6 0

Answer:

Alex subtracted incorectly.

y + 40 = 180

180 - 40 = 140 not 120

so y = 140

brainlist please

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A plane can cover 9904 km in 8 hours how mucb distance will it cover in 1 hour?
bekas [8.4K]

In one hour the plane will cover a distance of 1238 km.

<h3>What is a linear equation?</h3>

  • A linear equation has one or two variables.
  • No variable in a linear equation is raised to a power greater than 1.
  • No variable is used as the denominator of a fraction.
  • A linear equation is defined as an equation that is written in the form of ax+by=c.
  • When solving the system of linear equations, we will get the values of the variable, which is called the solution of a linear equation.

solving this we will get the valve of Y is x is given.

calculation:-

today distance = 9904 km.

total time is taken = 8 hours.

∴total distance covered in one hour = 9904/8

                                                        = 1238 km.

Learn more about the equation here:- brainly.com/question/2972832

#SPJ2

5 0
2 years ago
The length of a rectangle is 7 centimeters longer than twice its width. If the perimeter is 68 centimeters, find the width and l
vredina [299]

Answer:

Length-25

Width-9

Step-by-step explanation:

x-width

2x+7-height

6x+14=68

     -14  -14

6x=54

x=9

6 0
3 years ago
Read 2 more answers
A ______ is a graph of data based on quartiles showing a rectangle with lines extending from both its ends.
marin [14]
<h3>Answer: boxplot</h3>

Another alternative answer is "box-and-whisker plot"

The box portion consists of data between Q1 and Q3, with the median somewhere in between. The whiskers represent stuff below Q1 and above Q3. The tip of each whisker represents the min and max, assuming there are no outliers. If there are outliers, then you'll have island points disconnected from the main boxplot.

4 0
2 years ago
Mother spent 1/3 of her money on a silver chain and 1/6 of the remainder on a bottle of perfume. She gave her daughter $60.00 an
Volgvan

Step-by-step explanation:

215÷3=71

143÷6=23.9

71+23.9+60=154.9

7 0
3 years ago
Plz help me with this
Delicious77 [7]

<em>Answer:</em>

<em>63°</em>

<em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>ABCD parallelogram => ∡A = ∡C</em>

<em>13x - 41 = 6x + 15</em>

<em>13x - 6x = 15 + 41</em>

<em>7x = 56</em>

<em>x = 56 : 7</em>

<em>x = 8</em>

<em>∡C = 6×8 + 15 = 48 + 15 = 63°</em>

<em>Good luck !</em>

6 0
4 years ago
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