2 years ago

How do I simplify this expression?

1 answer:

7 0

The simplified form of this equation is 5^3.
You simplify these types of equations by adding/subtracting the exponents, since there is multiplication/division and the constant is the same throughout.

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Use the Distributive Property to rewrite each expression. <br> -3 (2b - 2a)

scoundrel [369]

-6b + 6a is the asnwer

4 0

2 years ago

The value of a car after t years can be found using the formula V = C(1 - r)t, where V is the current value of the car, C is the

Stells [14]

The given formula is
$V = C(1-r)^{t}$

Therefore
$(1-r)^{t} = \frac{V}{C} \\\\ 1-r = ( \frac{V}{C} )^{1/t} \\\\ r = 1 - ( \frac{V}{C} )^{1/t}$

Given:
C = $25,000
V = $12,000
t = 4.5 years

C/V = 0.48
1/t = 0.2222
Therefore
$r = 1 - 0.48^{0.2222} = 0.1505 = 15.05\%$

Answer: 15% (nearest integer)

8 0

2 years ago

Graph h(x) = 2/3x + 4

Travka [436]

Answer:

Step-by-step explanation:

6 0

2 years ago

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Last month$ Samkelo spent 39 hours watching TV and 36 hours playing sport. During the same months, Nkanyezi spent 42 hours watch

mel-nik [20]

Answer:

7is to 6

Step-by-step explanation:

u decide number with an common factor

8 0

2 years ago

Two tanks hold a total of 55 gallons of a toxic solvent. One tank holds 4 gallons more than twice the amount in the other. How m

Serhud [2]

Step-by-step explanation:

If x is the volume of the first tank, and y is the volume of the second tank, then:

x + y = 55

x = 2y + 4

Solve the system of equations using either substitution or elimination. Using substitution:

2y + 4 + y = 55

3y + 4 = 55

3y = 51

y = 17

Solve for x using either equation.

x + 17 = 55

x = 38

The first tank holds 38 gallons, and the second tank holds 17 gallons.

8 0

2 years ago

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