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Debora [2.8K]
2 years ago
8

Which equation is true for x=5?

Mathematics
2 answers:
MrRissso [65]2 years ago
5 0

Answer:

The answer is t

Step-by-step explanation:

x works as an exponent so it was pretty easy

Alexandra [31]2 years ago
5 0
T- you subtract 5 from both sides and get 3x=15 then you divide 15 by 3 equaling 5
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An amusement park recently increased the cost of a family season pass. The original price was $150. The new price is $183. What
viva [34]

Answer:

1.22%

Step-by-step explanation:

150 x 1.22 = 183

6 0
2 years ago
Help me i dont know what i am doing at all
nika2105 [10]
You are doing the distributive property.
68.5j+76.54
7 0
2 years ago
What is an equation of the line that passes through the points ( 0,-7) and ( 5, -1)
tresset_1 [31]

Answer:

y = 5/6x - 5.167

Or

y = 5/6x - 31/6

Step-by-step explanation:

The equation of a line

y = mx + c

Step 1: find the slope

m = y2 - y1 / x2 - x1

Given points

( 0 , -7) ( 5 , -1)

x1 = 0

y1 = -7

x2 = 5

y2 = -1

Insert the values into the equation

m = -1 - (-7) / 5 - 0

m = -1 + 7 / 5

m = 6/5

y = 6/5x + c

Step 2: sub any of the two points given into the equation

y = 5/6x + c

( 5 , -1)

x = 5

y = -1

-1 = 5/6(5) + c

-1 = 5*5/6 + c

-1 = 25/6 + c.

c = -1 - 25/6

LCM = 6

c = -6 - 25 / 6

c = -31/6

c = -5.167

Step 3: sub c into the equation

y = 5/6x + c

y = 5/6x - 31/6

Or

y = 5/6x - 5.167

The equation of the line is

y = 5/6x - 5.167

7 0
2 years ago
The value V of a Porsche 718 Cayman that is t years old can be modeled by V(t) = 420,000(0.965)t (a) What would be worth the car
nordsb [41]

Answer:

<u>A. V (2) = $ 391,114.50</u>

<u>B. t = 7.2 years (rounding to the next tenth) or approximately 7 years, 2 months and 12 days  </u>

Step-by-step explanation:

Given formula:

V(t) = 420,000 * (0.965)^t

A. What would be worth the car′s worth in 2 years?

V(t) = 420,000 * (0.965)^t

We replace t by 2, as follows:

V(2) = 420,000 * (0.965)²

V(2) = 420,000 * 0.931225

<u>V (2) = $ 391,114.50</u>

B. In how many years will the car be worth $325,000?

V(t) = 420,000 * (0.965)^t

We replace V(t) by 325,000, as follows:

325,000 = 420,000 * (0.965)^t

325,000/420,000 = (0.965)^t

0.77381 =  (0.965)^t

t = log 0.965(0.7738)  

t = log 0.7738/log 0.965  

<u>t = 7.2 years (rounding to the next tenth) or approximately 7 years, 2 months and 12 days  </u>

0.2 years = 0.2 * 12 = 2.4 months

0.4 months = 0.4 * 30 = 12 days

7 0
2 years ago
Product of (x – 3)(2x + 1)?
Arada [10]

Answer:

If you need the expression: 2x^2-5x-3

If you need answers from a factored form: x=3 and x= -1/2

Step-by-step explanation:

(x-3)(2x+1)

2x^2+x-6x-3

2x^2-5x-3

3 0
2 years ago
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