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Sphinxa [80]
2 years ago
10

Solve this system of equations y = 2x x = -y + 6

Mathematics
2 answers:
Trava [24]2 years ago
4 0
X = -2x + 6
3x = 6
x = 2

Answer: x=2, y=4
stepan [7]2 years ago
4 0

Answer:

y-2=0

x+y=6

Step-by-step explanation:

x = -2x + 6             3x = 6

x = 2

Answer:

x=2

y=4

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If angle symbol1 and angle symbol2 are complementary angles and if the measure of angle symbol1 is 5454degrees° more than the me
Misha Larkins [42]
<span>Complementary angles by definition sum up to 90 degrees.
   Let x = measure of angle2.
 It's given that angle1 = x + 54

   Since complementary, we know (x+54)+x = 90
 2x+54=90
 2x=36
 x=18.
 So angle2 measures 18 degrees and angle1 is 18 degrees+54 degrees, or 72 degrees. 72+18 = 90 as expected for complementary angles.</span>
7 0
3 years ago
Can someone help with this math word problem.
iragen [17]

Answer:

Step-by-step explanation:

Time taken to eat the pizza in seconds =28×60=1680 seconds

If it takes 20seconds to lift, bite and chew,

Then the total bites taken to finish the pizza =1680/20 =84 bites

If for each bite 9cm² disappeared, then area that disappeared for 84bites =84×9cm² = 756cm²

Total area of pizza =756cm²

If area =(πd²)/4,

Then d² =(4×A)/π

d²=4×756/3.14=963.06

d=√963.06 = 31.03cm

1 centimeter=0.394inches

31.03cm= 0.394×31.03=12.23 inches ≈ 12inches(to the nearest inch)

The diameter of the pizza is 12inches

7 0
3 years ago
Barnabus caught 84 fish in 4 days. Each day he caught 10 more than on the day before. How many fish did he catch each of the 4 d
balandron [24]
X + x + 10 + x + 20 + x + 30 = 84.
4x + 60 = 84.
84 − 60 = 24
4x =  24.
24 / 4 = 6 = x.

Answer:
Day One:  6 fish
Day Two:  16 fish
Day Three:  26 fish
Day Four:  36 fish
5 0
3 years ago
What is the area of the regular polygon?
BartSMP [9]

Answer:

You could use the polygon area formula OR here's an easier solution

We draw the lines DC and DE

Angle ADC = 120°

Triangle ADC is a 30 60 90 triangle

In such a triangle Line AE = hypotenuse * sq root (3) /2

Line AE = 3 * 0.8660254038  = 2.5980762114

Line DE = 1.5

Area of Triangle ADE = .5 * 1.5 * 2.5980762114 =

1.9485571586   square meters and entire area of Triangle

ABC = 6 * 1.9485571586

which equals 11.6913429513  square meters

Step-by-step explanation:

6 0
2 years ago
Ella and three friends run in a relay that is 14 miles long.Each person runs equal parts of the race.How many miles does each pe
sergeinik [125]
Each Person Runs: 3.5 miles.
14÷4= 3.5.
3 0
2 years ago
Read 2 more answers
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