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Kipish [7]
3 years ago
14

What 2 numbers equal -80

Mathematics
2 answers:
In-s [12.5K]3 years ago
5 0
-10 and 8.


-10 * 8 =  -80
mina [271]3 years ago
4 0
-10 and 8 multiply them to equal 80 but if there both negative it will be a positive 80 because if you multiply 2 negatives its postive hope this helps
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Why is 5 to the 2 power also read as 5 sqaured
Monica [59]

The reason for this has to do with finding the area of a square. When you are looking for the area of a square, you use the rectangle formula (since a square is also a rectangle).

The formula is Area = Length * Width

However, since in a square, the length and width are the same, both get changed to the word "Side". As a result, we get the following formula.

Area = Side * Side

This can be simplified to:

Area = Side^2.

Since each number to the second power also shows the area of a square with that given length sides, it can also be called "squared".

4 0
2 years ago
One of the two solutions to the equation $5x^2 - 11x - 36 = 0$ is $x = 4$. What is the other solution?
Firdavs [7]

Following are the calculation to the given equation:

Given:

\to 5x^2 - 11x - 36 = 0

one solution:

x=4

To find:

other solution=?

Solution:

\to 5x^2 - 11x - 36 = 0\\\\\to 5x^2 - (20-9)x - 36 = 0\\\\\to 5x^2 - 20x+9x - 36 = 0\\\\\to 5x(x - 4)+9(x - 4) = 0\\\\\to (x - 4) (5x+9) = 0\\\\\to x - 4=0 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 5x+9 = 0\\\\\to x = 4 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 5x = -9\\\\\to x = 4 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x = \frac{-9}{5}\\

Therefore, another solution is "-\frac{9}{5}".

Learn more:

brainly.com/question/3044722

8 0
2 years ago
Read 2 more answers
A taxi service charges a base fee of $5.00 for each fare. In addition, the service charges a $1.75 per minute fee. Which equatio
-BARSIC- [3]

Answer:

Equation is = 5+1.75m

Step-by-step explanation:

Given that,

A taxi service charge is $5.00 for each fare.

In addition, the service charges a $1.75 per minute fee.

It means, for every minute, $1.75 increases with time and $5.00 is fixed.

ATQ,

Total cost = 5+1.75m

Where m is time in minutes

Hence, the required equation is "5+1.75m".

3 0
2 years ago
PLZ HELP ASAP AREA OF A SECTOR
tigry1 [53]
The relationship of arcs is:
 S '/ S = ((2/5) * pi * r) / (2 * pi * r)
 Rewriting we have:
 S '/ S = ((2/5)) / (2)
 S '/ S = 2/10
 S '/ S = 1/5
 Therefore, the area of the shaded region is:
 A '= (S' / S) * A
 Where A: area of the complete circle:
 A '= (1/5) * 100 * pi
 A '= 20 * pi
 Answer:
 
The area of the shaded region is:
 A '= 20 * pi
4 0
3 years ago
Read 2 more answers
It cost $.06 per local call and $0.15 per international call you are charged $69.84 and your calls add up to 852 minutes write a
MAVERICK [17]

Answer: the number of minutes of local calls that you made is 644

the number of minutes of international calls that you made is 208

Step-by-step explanation:

Let x represent the number of minutes of local calls that you made.

Let y represent the number of minutes of international calls that you made.

It cost $.06 per local call and $0.15 per international call you are charged $69.84. This means that

0.06x + 0.15y = 69.84 - - - - - - - - 1

The total number of calls add up to 852 minutes. This means that

x + y = 852

Substituting x = 852 - y into equation 1, it becomes

0.06(852 - y) + 0.15y = 69.84

51.12 - 0.06y + 0.15y = 69.84

- 0.06y + 0.15y = 69.84 - 51.12

0.09y = 18.72

y = 18.72/0.09 = 208

x = 852 - y = 852 - 208

x = 644

7 0
2 years ago
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