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4 years ago

This is hard, but I really need help!

Mathematics

1 answer:

sukhopar [10]4 years ago

4 0

Please see pic, I'd solved in it.

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9/11 - 1/2 in it's simplest form

Murrr4er [49]

Answer:

7/22

Step-by-step explanation:

Step 1: Define/explain.

To subtract fractions with different denominators, you must first find the least common denominator (LCM).

You can do this by listing the multiples of each denominator.

Step 2: Solve.

11: 11, 22, 33, 44, 55, 66, 77, 88, 99, 110

2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22

22 is the LCM.

Now, we change the fractions to where they both have denominators of 22.

**REMEMBER: WHICHEVER NUMBER YOU MULTIPLY THE DENOMINATOR BY, YOU MULTIPLY IT BY THE NUMERATOR AS WELL!!**

$9/11*2/2=18/22$

$1/2*11/11=11/22$

Now, subtract as normal.

$18/22-11/22=7/22$

$7/22 (simplified).$

Step 3: Conclude.

Therefore, 9/11 - 1/2 = 7/22.

5 0

3 years ago

6x + y = -2 y= -3x + 1 Graph the solution

Gala2k [10]

6x + y = -2
y = -3x + 1

Substitute the value of y in first equation,
6x -3x + 1 = -2
3x = -2-1
x = -3/3
x = -1

Now, Substitute it in 2nd equation,
y = -3(-1) + 1
y = 3+ 1 = 4

Coordinates would be: (-1,4) Mark that point and join with origin.

Hope this helps!

6 0

3 years ago

What is the sum of 12 1/4 and it’s additive inverse?

aalyn [17]

Given :

A number $12\dfrac{1}{4}=\dfrac{49}{4}$ .

To Find :

What is the sum of 12 1/4 and it’s additive inverse .

Solution :

Fist we should know what is additive inverse .

Additive inverse of a number is that number , when added to it yield zero ,

Basically , for a real number , it reverses its sign :

The opposite to a positive is negative .

The opposite to a negative is positive .

Therefore , the sum of $12\dfrac{1}{4}$ and it's additive inverse is 0 .

Hence , this is the required solution .

5 0

3 years ago

Solve 4x - c=k for x

kumpel [21]

Answer:

x=k/4+c/4

Step-by-step explanation:

4x-c=k

4x=k+c

x=k/4+c/4

8 0

4 years ago

Read 2 more answers

Felix reported that the coldest day on record for his town was five times colder than yesterday, -4 c . What is the temperature

lapo4ka [179]

Answer:

Coldest day on record = -20°C

Step-by-step explanation:

Given:

Yesterday temperature = -4°C

Coldest day on record = 5 times than yesterday

Find:

Coldest day on record

Computation:

Coldest day on record = 5 × Yesterday temperature

Coldest day on record = 5 × (-4)

Coldest day on record = -20°C

3 0

4 years ago