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3 years ago

What is equivalent to 8-8x

1 answer:

3 0

8 - 8x is already in its simplest form.

Without knowing the value of x, you cannot find what is equivalent to 8 - 8x, but you can it if is an equation, such as 8 - 8x = 88 (x would be -10).

However, you can still rewrite it as -8x + 8, which is equivalent to 8 - 8x.

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They told her they charge $45 to install the cable box and $60 each month for the service.

Nady [450]

The answer is 2,700
This is because

60
x45
------------
300
+2400
--------------

Or Use Partial Products

60. 0. 1.0x40
___________. 2.60x40
I2400 I. 30. I.
40I. I. I. 3.0x40
|---------I----------I. 4.0x5
5I. 0. I. 0. I
l____ I______I
I hope this helped because this was a lot and I mean a lot of work

3 0

3 years ago

What is the slope of the line determined by the points (5,-3) and (-9,-6)

Serggg [28]

Answer:

slope = $\frac{3}{14}$

Step-by-step explanation:

Calculate the slope m using the slope formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (5, - 3) and (x₂, y₂ ) = (- 9, - 6)

m = $\frac{-6+3}{-9-5}$ = $\frac{-3}{-14}$ = $\frac{3}{14}$

6 0

3 years ago

Bruce invested $420 at a rate of 4% per year compound interest. Calculate the total amount Bruce has after 2 years. Give your an

kirill115 [55]

Answer:

436.96

Step-by-step explanation:

Using the compoybd interest formula A=P(1+R÷N)^nt

A= Final amount 436.96

P= Initial Balance 420

r= interest rate 4%

n= number of times interest applied per time period 2

t = number of times periods elapsed 2

3 0

2 years ago

Ms. Ashley planned to stay at a hotel that charges $88 per night for a room and $20 per night in fees and taxes. She used this e

Fudgin [204]

Step-by-step explanation:

Since 88 is for one night and 20 per night in fees and taxes.

Step 1 : Calculate for $88

$\frac{88n}{88} \\$ make N the subject of formula

$n = \frac{88}{88} \\$

N= 1

Step 2: Calculate for $20

$\frac{20n}{20} \\$

make N the subject of formula

$n = \frac{20}{20}$

N = 1

3 0

2 years ago

Could you please look at this question?

MrMuchimi

Answer:

a. see attached

b. H(t) = 12 -10cos(πt/10)

c. H(16) ≈ 8.91 m

Step-by-step explanation:

The cosine function has its extreme (positive) value when its argument is 0, so we like to use that function for circular motion problems that have an extreme value at t=0. The midline of the function needs to be adjusted upward from 0 to a value that is 2 m more than the 10 m radius. The amplitude of the function will be the 10 m radius. The period of the function is 20 seconds, so the cosine function will be scaled so that one full period is completed at t=20. That is, the argument of the cosine will be 2π(t/20) = πt/10.

The function describing the height will be ...

H(t) = 12 -10cos(πt/10)

The graph of it is attached.

See part a.

The wheel will reach the top of its travel after 1/2 of its period, or t=10. Then 6 seconds later is t=16.

H(16) = 12 -10cos(π(16/10) = 12 -10cos(1.6π) ≈ 12 -10(0.309017) ≈ 8.90983

The height of the rider 6 seconds after passing the top will be about 8.91 m.

8 0

2 years ago