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anastassius [24]
3 years ago
14

Ummm i know both of these are easy but i can't remember them please help

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
4 0
It is 4 because 3 times 4 equals 12
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Angle X and Angle Y are complementary angles. Given Angle Y is equal to 1/5th Angle X. Find the value of Angle X in degrees
Elis [28]

Answer:

75 degrees

Step-by-step explanation:

Complementary angles equal 90 degrees together. That is the case with angle X and Y. Set an equation to describe the situation.

Y=1/5X

X=5Y

Now, set another equation:

X+Y=90

Substitute the first equation into the second one.

5Y+Y=90

6Y=90

Y=15

Substitute this once again:

X+15=90

X=75

6 0
3 years ago
Find the solutions of the form x=a,y=0and x=0 ,y=b for the following equations: 2x+5y=10 and 2x+3y=6. is there any common soluti
Arlecino [84]

Answer:

 x=0 and y=2

Step-by-step explanation:

We have been given system of equations:

2x+5y=10     (1)

And 2x+3y=6     (2)

Subtract equation (2) from(1) we get:

2y=4

y=2

Now, substitute y=2 in equation(2) we get:

2x+3(2)=6

2x+6=6

2x=0

x=0

Hence, x=0 and y=2


8 0
3 years ago
6. Evaluate 7C4.<br> 840<br> 210<br> 6<br> 35
AleksAgata [21]

Answer:

210

Step-by-step explanation:

8 0
3 years ago
What’s the answer to 14?
vfiekz [6]

Answer:

  • |t -(-5)| = 1.5
  • [-6.5, -3.5] = [minimum, maximum]

Step-by-step explanation:

The magnitude of the difference between the temperature (t) and -5 will be 1.5 at the limits:

  |t -(-5)| = 1.5

This is equivalent to two equations:

  • t +5 = -1.5
  • t +5 = 1.5

In each case, the equation is solved by subtracting 5 from both sides:

  • t = -6.5 . . . . minimum allowed temperature
  • t = -3.5 . . . . maximum allowed temperature
7 0
3 years ago
Which option correctly replaces the letters X and Y? An x will bind to the Y of an enzyme so that the chemical reaction can occu
Marysya12 [62]

Answer:

c

Step-by-step explanation:

6 0
3 years ago
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