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Brrunno [24]
3 years ago
11

Help me plz this is my last question of the day but plz help me

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
3 0

Answer:

Additive Inverse Property.

Step-by-step explanation:

the value that brings you back to the identity element under addition

So a+-a=0

Hope this helps!!!

~BBGLUVER

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Identify the value of y<br><br><br> (3y+5)=-4-8y+9+77
noname [10]

Answer:

Y=7

Step-by-step explanation:

(3y+5)= -4 -8y +9 + 77

     -5    -5            

    3y= -9 - 8y + 9 + 77

           +9          -9

    3y=  -8y + 77

    +8y    +8y

      11y = 77

      11y/11    77/11

        y = 7

1. subtract 5 from both sides

2. add -9 and +9 and you get 0

3. add 8y to both sides

4. divide both sides by 11

5. you get y=7

3 0
3 years ago
The difference of a number and -6 is less than 9 write an inequality and solve
Pavlova-9 [17]

Answer:

n - (-6) < 9

n < 3

Step-by-step explanation:

When setting up an inequality, using the key words from the problem will help.  The word 'difference' would indicate subtraction and 'less than' would be the '<' inequality sign.  Since the expression is 'the difference of a number and -6', we write:  

n - (-6) < 9

Whenever we subtract a negative number, we change both signs to positive:

n + 6 < 9

Using inverse operations to solve:  n + 6 - 6 < 9 - 6

n < 3

8 0
3 years ago
Solve the following exponential equation:<br><br>5^x=2 <br><br>e^x=10​
olya-2409 [2.1K]

Number 1.

5^x=2, first we will take the log of both of these numbers getting us,

x=\frac{log(2)}{log(5)}, which then gives us that x=0.4306777777....

Number 2

e^x=10, solve for our exponent, 2.718282^x=10, use the logarithmic formula, and we get,

x=\frac{log(10)}{log(2.718282)}, which then we get that x=2.302585

3 0
2 years ago
An arrow on a spinner is spun 250 times. Some of the results are shown below. The relative frequency of landing on a 4 is the sa
N76 [4]

Answer:

11/50

Step-by-step explanation:

The frequency numbers for landing on 1, 2, and 3 are:

25, 53, 62.

We add them up to get: 25 + 53 + 62 = 140

Since 250 spins were made, and 140 of them landed on 1, 2, or 3, then

250 - 140 = 110,

so 110 landed on 4 or 5.

We are told the numbers of spins landing on 4 and 5 are equal, so

110/2 = 55,

so the spinner landed 55 times on 4 and 55 times on 5.

relative frequency = 55/250 = 11/50

5 0
3 years ago
What are the defining properties of a parallelogram?
Anastaziya [24]

Answer:

Four sides

2 sets of parallel sides

7 0
3 years ago
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