MATHEMATICS MIDDLE SCHOOL

Use all four operations without parentheses to write an expression that has a value of 1.

Answers

Answer 1
Answer:

Answer:

The expression can be 1+1÷1×1-1 or 5×2+1-20÷2

Step-by-step explanation:

Consider the provided information.

The all four basic operation of mathematics are: +, -, ×, ÷

We need to use all the above operations to write an expression that has a value of 1.

There can be several ways to write an expression that has a value of 1.

Few of them are shown below:

1+1÷1×1-1=1

The another expression that has a value of 1 is:

5×2+1-20÷2=1

Hence, the expression can be 1+1÷1×1-1 or 5×2+1-20÷2
Answer 2
Answer: 2x1-1+1/2=1
im pretty sure i used the four operations:
multiplication
division
addition
subtraction

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Candace used 5/8 of her savings to buy a $531.25 laptop.  How much did she have in savings before purchasing the laptop?

Answers

x-savings\n\n(5)/(8)x=531,25\ \ \ \ |\cdot(8)/(5)\nx=850\n\nCandance\ had\ \$ 850\ savings.

Final answer:

To find out how much Candace had in savings before purchasing the laptop, we will use the equation: Savings before purchase = Total savings + Amount spent on laptop. Candace had $849.20 in savings before purchasing the laptop.

Explanation:

To find out how much Candace had in savings before purchasing the laptop, we will use the equation:

Savings before purchase = Total savings + Amount spent on laptop

Since Candace used 5/8 of her savings to buy the laptop, the amount spent on the laptop is 5/8 of the total savings. We can set up the equation as:

  1. Total savings = Amount spent on laptop / 5/8
  2. Total savings = $531.25 / 5/8
  3. Total savings = $531.25 * 8/5
  4. Total savings = $849.20

Therefore, Candace had $849.20 in savings before purchasing the laptop.

Learn more about Savings calculations here:

brainly.com/question/33031196

#SPJ1

The ratio of damaged to undamaged toys was 3/17. If there were a total of 200 toys, how manywere undamaged?

Answers

Answer:

What I would do is find how many undamaged toys per 1 toy and then times that by 200.

Step-by-step explanation:
okay, so basically it’s the ratio of damaged to undamaged toys. which means that damaged is ‘3’ and undamaged is ‘17’. what i would do, is that i would:

17+3=20

200/20=10

so, ‘1’ refers to 10 toys. therefore we multiply the amount of undamaged toys by 10 which would get u the answer

10x17=170

which, equals to 170 undamaged toys.

i hope this helped u :)

Name three kinds of parallelograms to complete the hierarchy. quadrilaterals parallelograms

Answers

Answer:

Rhombus

Rectangle

Square

Step-by-step explanation:

A parallelogram is a shape of four sides, quadrilateral, that has equal and opposite sides. In this case, the problem is asking to name three kinds of parallelograms to complete the hierarchy.

In the hierarchy, quadrilaterals come first because a quadrilateral is a polygon of four edges, no matter if the sides of the polygon are irregular.

Then comes the parallelograms that are quadrilaterals with equal, opposite sides.

And some types of parallelograms are:

Rhombus in which all the sides are equal but the angles are not right angles

Rectangle that has right angles

Square all the sides are equal and it has right angles
rhombus, rectangle, square

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Answers

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an elevator on the tenth floor goes down 9 floors. Then it goes up 19 floors, down 3, and finally down 12. what floor does it end up on?

Answers

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Read and write the number four hundred eight thousand seventeen in two other forms

Answers

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