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bekas [8.4K]
3 years ago
9

-6 - (-8) x 5 ÷ (-10)

Mathematics
2 answers:
blondinia [14]3 years ago
6 0

Answer and Step-by-step explanation:

According to PEMDAS (Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction),

First we multiply, then divide, then finally add/subtract.

-8 times 5 is -40.

-40 divided by -10 is 4.

-6 - 4 = -10

The answer to the expression is -10.

<u><em>#teamtrees #PAW (Plant And Water)</em></u>

Aleks04 [339]3 years ago
3 0

Answer:

- 10

Step-by-step explanation:

-6+8×5÷-10

-6+40÷-10

-6-4

-10

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Solve the simultaneous equations y=x-2 and y=3x+5
IgorLugansk [536]

Answer:

(- 3.5, - 5.5 )

Step-by-step explanation:

Given the 2 equations

y = x - 2 → (1)

y = 3x + 5 → (2)

Substitute y = 3x + 5 into (1)

3x + 5 = x - 2 ( subtract x from both sides )

2x + 5 = - 2 ( subtract 5 from both sides )

2x = - 7 ( divide both sides by 2 )

x = - 3.5

Substitute x = - 3.5 into either of the 2 equations and evaluate for y

Substituting into (1)

y = - 3.5 - 2 = - 5.5

Solution is (- 3.5, - 5.5 )

3 0
4 years ago
How do I solve x2+10x-75=0
otez555 [7]
<span>Solution for x^2+10x+75=0 equation: Simplifying <span>x2</span> + 10x + 75 = 0 Reorder the terms: 75 + 10x + <span>x2</span> = 0Solving 75 + 10x + <span>x2</span> = 0 Solving for variable 'x'.</span><span>
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8 0
3 years ago
Read 2 more answers
Select all that apply.
Zarrin [17]

Answer:

real and rational

Step-by-step explanation:

If you look at the picture below, you'll see that -5/8, which is a negative fraction, falls into these two categories.

4 0
3 years ago
B<br> 6x+7<br> 3x+c<br> 2x-1<br><br> What is the value of c in degrees
andreev551 [17]

Answer:

1.x=15

2.<A=29

Step-by-step explanation:

(2x-1)+(3x+9)+(6x+7)=180

2x-1+3x+9+6x+7=180

11x+15=180

11x=180-15

11x=165

x=165/11

x=15

2.<A=2x-1

  <A=2*15-1

  <A=30-1

  <A=29

   

3 0
3 years ago
Consider the system of equations:
AVprozaik [17]

\large{\underline{\underline{\pmb{\sf {\color {blue}{Solution:}}}}}}

Since, we know that in Elimination method we have to first the value of "x" or either "y". For that we have to multiply a number which makes the both equation's "x" or "y" equal so that we cut cancel it and find the solution.

Here's an example:

Like, in here

Equation 1: - 2x + 3y = 9

Equation 2: - 8x - 7y = 10

We can see that in "Equation 1" the first number is "- 2x" and in "Equation 2" the first number is "-8x". So, what we do in Elimination method is that we have to make the first number of both the equations equal or same.

Eg:

- 2x + 3y = 9.

- 8x + 7y = 10--(ii)

Now,we can see that in "Equation 2" the first number is "8x" whereas in "Equation 1" the first number is "-2x". We have to multiply with any number that makes the both the first number of equation is same.

So, I'm taking the number "4" to multiply it with equation 1, which gives us the result,

4( - 2x  + 3y) = 9 \times 4 \\  \\  \leadsto - 8x + 12y = 36

Now, we've subtract both the equation to get the results.

\boxed{ \frak \red{brainlysamurai}}

6 0
2 years ago
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