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2 years ago

Please... help me..I have a confusion..is the (-5 + -3 ) is =( -5 - +3)

Mathematics

1 answer:

ira [324]2 years ago

7 0

Answer:

They are the same

Step-by-step explanation:

We are to check if (-5 + -3 ) =( -5 - +3)

First you must know that the product of a positive and a negative n=sign will result in a negative sign i.e. + * - = -

Applying this in question;

(-5 + -3 )

= -5 - 3

= -8

similarly

( -5 - +3)

= -5 - 3

= -8

Since both values are the same hence, (-5 + -3 ) =( -5 - +3)

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If f(x)=x-5, find x when f(x)=15

Leya [2.2K]

Answer:

x = 20

Step-by-step explanation:

we are given the value of f(x), replace it in the first equation

15 = x - 5

solve for x by adding 5 on both sides

15 + 5 = x

20 = x or x = 20

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2 years ago

Graph the hyperbola y^2/16-x^2/9=1. What type of transverse axis does it have?

gulaghasi [49]

<span>Center(0,0)
a^2=16
a=4
b^2=9

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3 years ago

WILL GIVE BRAINLIEST. Point C is at (-3, -2). After being reflected across the x-axis, what are the coordinates of Point C? (

ZanzabumX [31]

Answer:

the answer is (3, 2)

Step-by-step explanation:

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3 years ago

An open box is made from an 8 by ten-inch rectangular piece of cardboard by cutting squares from each corner and folding up the

natka813 [3]

Please find the attachment.

Let x represent the side length of the squares.

We have been given that an open box is made from an 8 by ten-inch rectangular piece of cardboard by cutting squares from each corner and folding up the sides. We are asked to find the volume of the box.

The side of box will be $8-x-x=8-2x$ and $10-x-x=10-2x$ .

The height of the box will be $x$ .

The volume of box will be area of base times height.

$\text{Volume of box}=(8-2x)(10-2x)\cdot x$

Now we will use FOIL to simplify our expression.

$\text{Volume of box}=(80-16x-20x+4x^2)\cdot x$

$\text{Volume of box}=(80-36x+4x^2)\cdot x$

Now we will distribute x.

$\text{Volume of box}=80x-36x^2+4x^3$

$V(x)=80x-36x^2+4x^3$

Therefore, the volume of the box would be $V(x)=80x-36x^2+4x^3$ .

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2 years ago

What is the correct answer to this question?<br><br> F/2=5/8

ANTONII [103]

Answer:

F = 1.25

Step-by-step explanation:

All you would have to do is cross multiply, so our equations starts at $\frac{F}{2} = \frac{5}{8}$ . We would now multiply F by 8 and 2 by 5. We now have 8F = 10. We can now divide both sides of the equation by 8 to get F = 1.25.

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2 years ago

Please... help me..I have a confusion..is the (-5 + -3 ) is =( -5 - +3)​

Please... help me..I have a confusion..is the (-5 + -3 ) is =( -5 - +3)