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3 years ago

Find me midpoint of -9 and 6

Mathematics

2 answers:

Ymorist [56]3 years ago

4 0

The answer I believe is -2. Thank you come again

Alexandra [31]3 years ago

4 0

Answer:

-3/2 or -1.5

Step-by-step explanation:

1) Write out the numbers:

-9, -8, -7, -6, -5, -4, -3, [-2, -1] 0, 1 , 2, 3, 4, 5, 6

2)-2 and -1 are in the middle

3)Add the numbers in the middle and divide by 2

Add the 2 numbers: (-2)+(-1)=-3

Divide by 2: -3/2
Answer: -1.5

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What is the solution to the equation 6n+7=55

weeeeeb [17]

Answer:

n = 8

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

6n + 7 = 55

Step 2: Solve for n

Subtract 7 on both sides: 6n = 48
Divide 6 on both sides: n = 8

Step 3: Check

Plug in n into the original equation to verify it's a solution.

Substitute in n: 6(8) + 7 = 55
Multiply: 48 + 7 = 55
Add: 55 = 55

Here we see that 55 does indeed equal 55.

∴ n = 8 is a solution of the equation.

7 0

2 years ago

Read 2 more answers

3. Marissa collected 8 seashells. Her sister Emily

eimsori [14]

Answer:

Step-by-step explanation:

There are 15 shells all together

there is 5 friends

15 divided by 5 is 3

Therefore the answer is three

8 0

2 years ago

Read 2 more answers

Solve the qn in attachment .

galina1969 [7]

Answer:

$\implies \dfrac{ -4x+7}{2(x-2) }$

Step-by-step explanation:

The given expression to us is ,

$\implies \dfrac{\frac{ 3}{x-1} -4 }{ 2 -\frac{2}{x-1}}$

Now take the LCM as ( x - 1 ) and Simplify , we have ,

$\implies \dfrac{\frac{ 3 -4(x-1) }{x-1} }{ \frac{2-2(2x-1)}{x-1}}$

Simplifying further , we get ,

$\implies \dfrac{ -4x+7}{2(x-2) }$

Hence the second option is correct.

5 0

2 years ago

What is 5.5x + 1−(1.5x+17)?

mrs_skeptik [129]

Answer:

4x - 16

Step-by-step explanation:

5.5x + 1 - (1.5x + 17)

5.5x + 1 -1.5x -17

Combine like terms

4x + 1 -17

4x -16

7 0

2 years ago

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Joe will build a rectangular pen for his dog. A wall will form one side of the pen. Joe has 40 ft of fencing to form the other t

ra1l [238]

The length would be 16 ft on both sides.. The width would be 7 ft, I think since a wall is forming one side, and he 40 ft, so in order to make the other three side the maximum would be 39 ft, so I think you get it now. This is just my guess... I'm only in sixth grade :/

7 0

2 years ago