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Airida [17]
3 years ago
9

For the following system, if you isolated x in the first equation to use the substitution method, what expression would you subs

titute into the second equation?
−x + 2y = −6
3x + y = 8


−2y + 6


2y − 6


2y + 6


−2y − 6
Mathematics
1 answer:
Musya8 [376]3 years ago
5 0

Answer:

x = 2y + 6

Step-by-step explanation:

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one teaspoon equals 0.5 centimeters. how many liters equals 50 teaspoons? Round the answer to the nearest hundredth.
alukav5142 [94]

50 teaspoons would equal 50*0.5 = 25 centimeters

1 cm = 0.001 liter

25*0.001 = 0.025 liters

8 0
3 years ago
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<img src="https://tex.z-dn.net/?f=2%20%2B%20y%20%3D%201" id="TexFormula1" title="2 + y = 1" alt="2 + y = 1" align="absmiddle" cl
zvonat [6]

Answer: y= -1

Step-by-step explanation:

2+y=1  

y=1-2

y=-1

8 0
3 years ago
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3(5z - 7) - 2 (9z - 11) = 4 (8z - 13) - 17
marysya [2.9K]

Answer z=2

See picture attached for the math

3 0
2 years ago
Use Pythagorean theorem
kogti [31]

Answer:

15

Step-by-step explanation:

a^2+b^2=c^2

y^2+8^2=17^2

Step 1: Simplify both sides of the equation.

y^2+64=289

Step 2: Subtract 64 from both sides.

y^2+64−64=289−64

y^2=225

Step 3: Take square root.  

y=15  

4 0
3 years ago
HOW do you find the value of TAN 88 degrees 22' 45'' and COT 36 degrees???
storchak [24]
Part 1
We want to find the tan of 88 degrees, 22' 45''.

88° 22' 45''
= 88 + 22/60 + 45/3600 degrees
= 88.3792°

From the calculator, obtain
tan(88.3792°) = 35.3409

Answer: 35.3409

Part 2
We want to find cot(36°).

By definition, cot(x) = 1/tan(x).
From the calculator, obtain
tan(36°) = 0.7265
Therefore
cot(36°) = 1/0.7265 = 1.3764

Answer: 1.3764

3 0
4 years ago
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