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3 years ago

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Mathematics

2 answers:

Diano4ka-milaya [45]3 years ago

7 0

Answer:

c) natural numbers

Step-by-step explanation:

Natural numbers is the correct answer for this.

Dafna11 [192]3 years ago

4 0

Natural numbers are a part of the number system which includes all the positive integers from 1 till infinity and are also used for counting purpose. It does not include zero. they are also called counting numbers.Excluding zero, fractions, decimals and negative numbers.

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The length of a rectangular storage room is 3 feet longer than its width. if the area of the room is 40 square feet, find the wi

xenn [34]

Answer:

Width of rectangular storage room= 5 feet.

Step-by-step explanation:

Let x be the width of storage room.

We have been given that the length of a rectangular storage room is 3 feet longer than its width. So the length of storage room will be x+3.

We are also given that the area of the room is 40 square feet.

Since the area of a rectangle is length times width.

$\text{Area of rectangle}=\text{Length* Width}$

Let us substitute our given values in area formula.

$40=x*(x+3)$

Upon distributing x we will get,

$40=x^2+3x$

$x^2+3x-40=0$

Now let us factor out our quadratic equation using splitting the middle term.

$x^2+8x-5x-40=0$

$x(x+8)-5(x+8)=0$

$(x+8)(x-5)=0$

$x+8=0$ or $x-5=0$

$x=-8$ or $x=5$

Since width can not be negative, therefore, the width of rectangle will be 5 feet.

Let us verify our answer.

Length of rectangular storage room is 3 feet longer than its width. So length will be 5+3=8.

Given: Area=40 square feet.

5*8=40.

Hence, width of rectangular storage room is 5 feet.

7 0

3 years ago

Darius and Matthew have three fruit bars. They are both hungry after playing football and decide to split the fruit bars evenly.

IgorC [24]

They each get one whole one and then half of one.

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3 years ago

Write the phrase as an expression.<br><br> the sum of a number n and 14<br><br> An expression is

Harlamova29_29 [7]

Answer:

n+14

Step-by-step explanation:

To write an expression, we often have to interpret a written phrase. For example, the phrase “6 added to some number” can be written as the expression x + 6, where the variable x represents the unknown number.

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3 years ago

Consider the diagram. BC is parallel to DE. Find the length of BC.

Lubov Fominskaja [6]

Answer:

It should be 5 but my brain is literally dead

Step-by-step explanation:

Please give brainlest

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2 years ago

Which property is illustrated by the following statement 9a(bc)=(9a)bc

Mice21 [21]

This is the associative property of multiplication.

When there are multiple numbers that are only being multiplied, the grouping of such numbers (with parentheses) does NOT matter.

6 0

3 years ago

Read 2 more answers