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deff fn [24]
4 years ago
14

WILL GIVE BRAINLET !! 2/6 + - 5/12 ( show how u get the answer )

Mathematics
2 answers:
VLD [36.1K]4 years ago
7 0

Answer:

-\frac{1}{12}

Step-by-step explanation:

So we have the expression:

\frac{2}{6}-\frac{5}{12}

To subtract, we want to have a common denominator. So, let's find a common denominator by using the LCM.

The LCM of 6 and 12 is 12.

Since the second term is already 12, let's multiply the first term by 2 to get its denominator to be 12:

=(\frac{2}{2})\frac{2}{6}-\frac{5}{12}

Multiply:

=\frac{4}{12}-\frac{5}{12}

Now, we can combine the fractions:

=\frac{4-5}{12}

Subtract:

=\frac{-1}{12}

And we are done!

Bess [88]4 years ago
7 0

Answer:

\frac{-1}{12}

Step-by-step explanation:

\frac{(2*12)+(-5*6)}{6*12} =

\frac{-6}{72} =

\frac{-6}{72} ÷ both by 6

\frac{-1}{12}

hope this helps

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help me pleaseeeeeee,Which of the following choices matches the system? y ≥ 2x + 1 and y ≥ -x + 3 y ≤ 2x + 1 and y ≤ -x + 3 y ≤
professor190 [17]

Answer:

y<=-x+3 and y<=2x+1

Step-by-step explanation:

y=-x+3 is the orange line. The shaded region is below so its y<-x+3

y=2x+1 is the blue line. The shaded region is below so y<2x+1

4 0
3 years ago
Please someone help me to prove this. ​
morpeh [17]

Answer:  see proof below

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

Use the Double Angle Identity: sin 2Ф = 2sinФ · cosФ

Use the Sum/Difference Identities:

sin(α + β) = sinα · cosβ + cosα · sinβ

cos(α - β) = cosα · cosβ + sinα · sinβ

Use the Unit circle to evaluate: sin45 = cos45 = √2/2

Use the Double Angle Identities:   sin2Ф = 2sinФ · cosФ

Use the Pythagorean Identity: cos²Ф + sin²Ф = 1

<u />

<u>Proof LHS → RHS</u>

LHS:                                  2sin(45 + 2A) · cos(45 - 2A)

Sum/Difference: 2 (sin45·cos2A + cos45·sin2A) (cos45·cos2A + sin45·sin2A)

Unit Circle:    2[(√2/2)cos2A + (√2/2)sin2A][(√2/2)cos2A +(√2/2)·sin2A)]  

Expand:        2[(1/2)cos²2A  + cos2A·sin2A + (1/2)sin²2A]

Distribute:              cos²2A   + 2cos2A·sin2A + sin²2A  

Pythagorean Identity:    1 + 2cos2A·sin2A

Double Angle:                1 + sin4A

LHS = RHS:  1 + sin4A = 1 + sin4A   \checkmark

6 0
3 years ago
I need help with this ASAP
siniylev [52]

Answer:

Hi there!

The correct answer is 10 units²

Step-by-step explanation:

The area of a triangle is A= 1/2 Base * Height

then you need to replace the values that you given into the formula

A = 1/2 (4)(5)

6 0
3 years ago
On Monday, jack and Jill walked from their house up the hill to get to the bus stop. They walked 4 yards every three seconds. Wr
never [62]

Answer: Our required equation will be

3d=4t

Step-by-step explanation:

Since we have given that

Jack and Jill walked 4 yards every three seconds

As we know that

Speed=\frac{Distance}{Time}\\\\Speed=\frac{4}{3}\text{ yards per seconds}\\

Now, we need to find the find the equation to represent  the distance,<em>d</em>,

Jack and Jill walked over time <em>t </em>.

So here it is,

Distance=Speed\times Time\\\\d=\frac{4}{3}\times t\\\\d=\frac{4}{3}t\\\\3d=4t

Hence, our required equation will be

3d=4t

4 0
3 years ago
Why did 6 run away from 7
raketka [301]

Answer: Because 7 8 9

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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