MATHEMATICS MIDDLE SCHOOL

Simply this expression (-0.25x- 3) - (1.5x +1.4)

Answers

Answer 1
Answer:

1.75x-4.4

Expression:

  • An expression, often known as a mathematical expression, is a finite collection of symbols that are well-formed in accordance with context-dependent principles.

Simplification of expressions:

  • A mathematical expression is simplified when it is expressed in the simplest way possible.
  • The expression is usually reduced to its simplest form by using fundamental features of numbers, exponents, algebraic principles, etc. to eliminate any repetitions or redundancies.

Solution -

Given expression -(-0.25x-3)-(1.5x+1.4).

To find - Simplify the expression.

Since,

(-0.25x-3)-(1.5x+1.4)\n-0.25x-3-1.5x+1.4\n= 1.75x-4.4

Therefore, after simplification the expression is 1.75x-4.4.

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Answer 2
Answer: SOLUTION:

= ( - 0.25x - 3 ) - ( 1.5x + 1.4 )

= - 0.25x - 3 - 1.5x - 1.4

= - 1.75x - 4.4

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At the zoo, the Spencer family bought 3 adult tickets and 2 children's tickets for $23.50. The Yang family bought 2 adult tickets and 4 children's tickets for $25. How much would the Diaz family spend if they bought 3 adults tickets and 1 children's ticket?
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The perimeter of the triangle shown is 32 ft.

What is the value of x?

Answers

1. Add the KNOWN sides. In this case: 12 1/4   and    6 1/3
2. Take the perimeter, 32, then minus it by the answer of step 1.
3. There you go!

Answer:

13 5/12 is your answer

hope this helped!

What is the probability of selecting a red card from a standard deck of 52 playing cardships that does not contain a joker?

Answers

We know that the deck of cards contain half red and half black cards or you can say we have 26 red cards and 26 black cards.
we have to find probability of red cards from a deck of cards
so,
probability (selecting red card) = (26)/(52)
                                                     = (1)/(2)

Probability ( selecting red card ) =  (1)/(2) Answer
1/2. half of the cards(26 out of 52) are red. you can reduce 26/52 to 1/2.

Rhonda earned 324.65 delivering newspapers. She promised her sister 0.2 of her earnings for helping her. How much does Rhonda owe her sister?

Answers

Answer: 1623.25

324.65/0.2= 1623.25

What is the ratio of ounces to pounds in the weight of an object

Answers

Answer:

1 : 0.0625

Step-by-step explanation:

We are asked to find the ratio of ounces to pounds in the weight of an object.

We know that 1 pound equals 16.

Ratio of pound to ounce= 1 : 16

To find the ratio of ounces to pounds, we will divide 1 by 16.

(1)/(16)=0.0625

Ratio of ounce to pound= 1 : 0.0625

Therefore, our required ratio is 1 : 0.0625.
1 Pound = 16 Ounces
1 Ounce = 0.0625 Pounds

The school student council sponsored a Switch Day where students were able to switch classes every 20 minutes. The students are in school for 7 hours. If a student switched as often as possible, how many classrooms in all did that student visit? (Hint there are 60 minutes in 1 hour)

Answers

21 classes, because if the school hours are 7 hours long it would be 21 classes

What is equivelent to
4d+6+2d

Answers

The value of the equation 4d + 6 + 2d is A = 6 + 6d

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

A = 4d + 6 + 2d   be equation (1)

On simplifying the equation , we get

A = 4d + 2d + 6

A = 6d + 6

A = 6 ( d + 1 )

Therefore , the value of A is 6d + 6

Hence , the value of the equation is A = 6d + 6

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We can add like terms. Like terms are when the variables are alike, so you can add them to get a simpler form of your expression.equation.
4d and 2d are like terms, therefore, we can add them.

6d+6 is what we are left with.

Our final answer: 6d+6 is equivalent to 4d+6+2d
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