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3 years ago

14^-3x14^5 using a single positive exponent

2 answers:

8 0

Is that ok if you have to do that one time for you to do it tomorrow morning and then i can do that and then i can give you the money to get it out and then i will go eat

lesya692 [45]3 years ago

6 0

Answer:

1/14^3x times 14^5

Step-by-step explanation:

Sorry I dont have one but I hope this helps, GodBless.

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-5(5-3v)=-115 Helpp me please

prisoha [69]

we start by opening the brackets so it will be -25 plus 15 v is equals to 115. negative times a negative is a positive so -5 times -3 we we have gotten positive 15v there I hope you understood so our new equation is -25 + 15v is equals to 115 collect the like terms 15v is equals to 115 + 25 15 v is equals to 140 divide both sides by 15 so v is equals to 9 and 1/3

8 0

3 years ago

The sum of the first and third of three consecutive integers is 140. find the three even integers

Elina [12.6K]

Answer:

It would be 68,70,72

Step-by-step explanation:

The sum of first and third of 3 consecutive number is 140 as 68+72 is 140.

68 is the first

72 is the third

They are all even numbers as well

6 0

3 years ago

4(x+9)=8x-7 Solve for x

valentina_108 [34]

Answer:

x = 10.75

Step-by-step explanation:

4(x+9)=8x-7

Step 1: Distribute the 4 to the x and 9

4 * x = 4x

4 * 9 = 36

We now have 4x + 36 = 8x - 7

Step 2: add 7 to both sides

36 + 7 = 43

-7 + 7 cancels out

We now have 4x + 43 = 8x

Step 3 subtract 4x from both sides

4x - 4x cancels out

8x - 4x = 4x

We now have 4x = 43

step 4 divide both sides by 4

4x / 4 ( the 4s cancel out and we're left with x )

43/4 = 10.75

We're left with x = 10.75

3 0

2 years ago

practice factoring a difference of squares. which expressions represent a perfect square monomial and its square root? check all

ohaa [14]

The perfect square monomial and its square root are shown in options 1, 2, and 5.

A perfect square in mathematics is an expression that factors into two equally valid expressions. A monomial is a single phrase that is made up of the product of positive integer powers of the constants, variables, and constants. Consequently, a monomial that factors into two monomials that are the same is called a perfect square monomial.
1) 121, 11
11² = 121
A perfect square monomial and its square root are represented by this equation.
2) 4x², 2x
(2x)² = 4x²
A perfect square monomial and its square root are represented by this equation.
3) 9x²-1, 3x-1
(3x-1)² = 9x²- 6x +1
This phrase does not depict a square monomial and its square root in perfect form.
4) 25x, 5x
(5x)² = 25x²
This phrase does not depict a square monomial and its square root in perfect form.
5) 49(x^4), 7x²
(7x²)² = 49(x^4)
A perfect square monomial and its square root are represented by this equation.