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Allisa [31]
3 years ago
7

If the expression 9x + (4 – 3x) + 7is simplified completely, how many terms will the expression contain?

Mathematics
2 answers:
tamaranim1 [39]3 years ago
4 0

Answer: 2 terms

Step-by-step explanation:

There are two terms because

One is __x the other is the constant

9x + 4 - 3x + 7

6x + 4 - 7

6x - 3 has two terms

laila [671]3 years ago
3 0

Answer:

3 terms.

Step-by-step explanation:

9x + (4 – 3x) + 7

36x-27x^2 +7

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4x+5-2x=2(x+1) help me please
harina [27]
So I'm not 100% on this, but I believe that first you need to combine like terms. The 4x and the -2x make 2x and distribute the 2 so you get 2x+1. That all equals 2x+5=2x+2. You need to get the variable by themselves so I will minus the 2. You then get 2x+3=2x. You then need to minus the 2x, which makes 0. So the answer is 3=0, or undefined. Is that about what you guys are working on? Have you learned about undefined?
3 0
3 years ago
A new car is purchased for $50,000 and over time it’s value depreciates by one half every 5 years. What is the value of the car
Setler79 [48]

The value of the car after 5 years would be $23914.85

<u>Explanation:</u>

Given:

Worth of the new car = $50,000

Every 5 years the value depreciates by 1/2

i.e., every 5 years the value depreciates by 50%

So, we can say that every year the value depreciates by 10%

The worth of the car after 7 years would be

W = C (1 - \frac{D}{100} )^t

where,

W is the depreciated value

C is the current value

D is the depreciation rate

t is the time

Substituting the value in the equation we get:

W = 50000( 1 - \frac{10}{100} )^7\\\\W = 50000 (\frac{9}{10} )^7\\\\W = 23914.85

Therefore, the value of the car after 5 years would be $23914.85

7 0
3 years ago
13 points I meant to add his in the other one
REY [17]
15 people
8 older than 30
9 have facial hair
over 30 and facial hair= 5/15
5/15= 33.3%
8 0
4 years ago
Help ASAP I’m so confused
BabaBlast [244]

Answer:

1)  0.1 unit

2)  0.1 unit²

3)  0.15 unit²

3 0
3 years ago
What is the nth derivative of 1/x?
Juli2301 [7.4K]

Answer:

(-1)^n × (n!) × x^-(n+1)

Step-by-step explanation:

I've attached the solution

8 0
3 years ago
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