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ankoles [38]
2 years ago
10

Math help!!! Can somebody answer 1&2.

Mathematics
1 answer:
gregori [183]2 years ago
3 0

Answer:

1) MON 2) MPO

Step-by-step explanation:

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A new truck sells for $28,000depreciates (decreases in value) 13% each year. What is the Decay Factor, b?
sleet_krkn [62]
Not sure
te rate is r
for decay, it is
A=P(1-r)^t
r=rate
P=present amount
dunno what b is
but I guess
A=28000(1-0.13)^t
A=28000(0.87)^t
I would guess the decay factor would be 0.87
3 0
3 years ago
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Solve for t<br> 5t - 2 = 6t - 7
Dmitry_Shevchenko [17]

Answer:

The answer to the question is 5 (positive 5)

3 0
2 years ago
5. Sean has 56 bills in his pockets. The bills are only fives and tens.
noname [10]

Answer:

He have 43 bills of 10 and 13 bills of 5

Step-by-step explanation:

5x + 10y = 495

x + y = 56

Isolate x:

x = 56 - y

Substitute in the first equation:

5(56 - y) +10y = 495

280 -5y +10 y = 495

5y = 495 -280

5y = 215

y = 215/5

y= 43

Now substitute the value of y to find x:

x = 56 - y

x = 56 - 43

x = 13

3 0
2 years ago
The test scores of five students for the first two test of the semester are shown in the table below.
Mekhanik [1.2K]

Answer:

A

Step-by-step explanation:

Take test score from Test 1 and add them all together and divide by the number of test

ex) 77+82+69+85+93=406

    406/5= 81.2

Then repeat with Test 2

ex) 75+76+71+68+72=362

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Therefore the MAD of Test 1 > MAD of Test 2

8 0
2 years ago
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Which value must be added to the expression x^2– 3x to make it a perfect-square trinomial?
liraira [26]

Answer:

\frac{9}{4}

Step-by-step explanation:

Given

x² - 3x

add ( half the coefficient of the x- term)²

x² + 2(- \frac{3}{2})x + (- \frac{3}{2})²

= (x - \frac{3}{2})² + \frac{9}{4}

3 0
3 years ago
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