MATHEMATICS MIDDLE SCHOOL

Subtract -3x/11 - 5/11 . Reduce, if possible.

Answers

Answer 1

Answer:

Answer:

NEGATIVE 3X + 5 OVER 11

Step-by-step explanation:

TO SUBTRACT FRACTIONS, FIND THE LCD, THEN COMBINE !

ANSWER =

$-(3x+5)/(11)$

Answer 2

Answer:

Answer:

- 3x + 5/11 reduce - 3x/11 - 5/11

Step-by-step explanation:

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Bx30=m

which is the dependent and independent variable

Answers

B * 30 = m

The dependent variable is m. Its value changes when B changes.
The independent variable is B. It does not rely on anything for it to change its value.
30 is the constant of the equation. This means that its value does not change even if changes occur in the equation as a whole.

My sub was doing other things and not helpful and now I have homework I don't know how to do -5x+3y=19
-5x+7y=11

Answers

-5x+3y=19
-5x+7y=11

Here, we use substitution to solve for both variables.

Solve for y first

-5x + 3y = 19
+5x +5x

3y = 19 + 5x
y = 19/5 + 5/3x

Now plug that into the other equation. -5x+7(19/5 + 5/3x) =11

-5x + 26.6 + 35/3x = 11
-5x + 35/3x = 20/3x

20/3x + 26.6 = 11
-26.6 -26.6

11 - 26.6 = -15.6

20/3x = -15.6

x = -119.6

Ahhh, now time to solve for y

-5x+3y=19
-5(-119.6) + 3y = 19
598 + 3y = 19
-598 -598

19 - 598 = -579

3y = -579
y = - 193

WE ARE DONE!!!

Answer: y = -193 and x = -119.6

A circuit is supplied with 24 volts and its load offers a total resistance of 400 ohm. What’s the total circuit power?

Answers

Answer:

P = 1.44 Watts

Step-by-step explanation:

We know that the relation between voltage and current in a simple circuit with a resistor is

V = I.R

Where

V = the voltage of the source

I = current of the circuit

R = resistance

The power is defined as

P = V.I

Which is the same as

P = V.(V/R)

P = (24 v)^2 / (400 ohm)

P = 1.44 Watts

What is the answer to 3-3x6+2=

Answers

The answer to the given expression 3 - 3 × 6 + 2is -13. This expression is simplified using the concepts of PEMDAS.

In mathematics, an expression is a combination of numbers, variables, and operators that represents a mathematical value.

An expression consists of letters or numbers and mathematical operations.

For instance, the following expression: "2 + 3" is a mathematical expression that represents the value 5.

The operations are ordered as follows:

Parentheses
Exponents
Multiplication and Division
Addition and Subtraction

According to PEMDAS, first, the numbers inside the parentheses are operated, and then the exponential function is solved. Then after, multiplication took place, followed by division, addition, and at last subtraction.

$3 -3* 6 +2 = 3 - 18 + 2$

$= - 13$ .

Hence, we conclude that the answer to the above expression is -13.

Learn more about expressions here:

brainly.com/question/34132400

#SPJ4

it equals -13
remember PEMDAS
multiplication is before adding and subtracting so
3-3x6+2
3-18+2
=-13
Apps such as Photomath and Mathway are quick free and easy ways to check math questions like this

Payton plays 15 games of fortnight in 15 minutes. If he maintains this rate, how many games will he play in 3 hours