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julia-pushkina [17]
3 years ago
15

What expression is equivalent to -3n-7+(-6n)+1

Mathematics
1 answer:
nekit [7.7K]3 years ago
4 0
-3n-7+(-6n)+1 = 0
-3n-7-6n+1 = 0
-9n-6 = 0

So, -9n-6
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How many solutions can be found for the equation 4z 2(z − 4) = 3z 11? none one two infinitely many
Rus_ich [418]

There is only one solution for the equation 4z + 2(z -4) = 3z + 11 because the exponent for the power of z is 1.

<h3>What is an equation?</h3>

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

<h3>What is the Solution?</h3>

A solution is any value of a variable that makes the specified equation true.

According to the given information:

4z + 2(z-4)= 3z+11

Solve the equation,

4z+2z-8=3z+11

6z-3z=11+8

3z =19

z=

Hence,

Number of solution that can be found for the equation 4z + 2(z-4)= 3z+11 is option(2) one

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8 0
2 years ago
What is the area of this figure?<br><br><br> 49.5 in²<br><br> 66.5 in²<br><br> 84 in²<br><br> 91 in²
Nookie1986 [14]
D 19 in2
find the area of a square, width times height
then find the area of the triangle, width times height divided by 2
6 0
3 years ago
Read 2 more answers
What is 2X to the power of 3 divided by -8X to the power of 4?
PIT_PIT [208]

Answer: 8 = 23 (-8)4 = (23)4 = 212

1/(2048x)

Step-by-step explanation:Negative number raised to an even power is positive

For example let's look at (-7)6 , where (-7) , a negative number, is raised to 6 , an even exponent :

(-7)6 can be written as (-7)•(-7)•(-7)•(-7)•(-7)•(-7)

Now, using the rule that says minus times minus is plus, (-7)6 can be written as (49)•(49)•(49) which in turn can be written as (7)•(7)•(7)•(7)•(7)•(7) or 76 which is positive.

We proved that (-7)6 is equal to (7)6 which is a positive number

Using the same arguments as above, replacing (-7) by any negative number, and replacing the exponent 6 by any even exponent, we proved which had to be proved

Dividing exponential expressions :  x3 divided by x4 = x(3 - 4) = x(-1) = 1/x1 = 1/x

Final result :

1/2048x

im in middle school

6 0
2 years ago
For a shape to be symmetrical do both sides have to be the same when divided?
rewona [7]
Yes in order for them to be symmetrical they both have to be Symmetrical or the same
6 0
3 years ago
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If 2x − 3 = 7, evaluate 3x + 4.
timofeeve [1]
X equals 5 so 3x+4= 19 ..................
6 0
3 years ago
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