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Bas_tet [7]
3 years ago
11

Given the function f(x)=-2x+x, find f(7)

Mathematics
1 answer:
Allisa [31]3 years ago
4 0

Answer:

f(7)= -7

Step-by-step explanation:

f(x)= -2x+x  f(7) which basically means x=7

    = -2(7)+7

    =  -14+7

f(7)   =  -7

Hope this helps :)

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Pedro has a mass of 72kg. What would Pedro weigh on Mars? (The gravitational field strength on Mars is 3.7N/kg.)
Alisiya [41]

Answer:

The weight of Pedro on Mars is 266.4 N

Step-by-step explanation:

It is given that,

Mass of Pedro, m = 72 kg

Let W is the weight of Pedro on the Mars. We know that the product of mass and the acceleration due to gravity is called the weight on an object. Mass remains same everywhere. It can be calculated as :

W=mg

g is the gravitational field strength on Mars, g = 3.7 N/kg

W=72\ kg\times 3.7\ N/kg

W = 266.4 N

So, the weight of Pedro on Mars is 266.4 N. Hence, this is the required solution.

4 0
3 years ago
The number of computer games sold during the sale was 257. This is 162 more than the number sold the week before the sale. How m
Black_prince [1.1K]

Answer: 92

Step-by-step explanation: Subtract 257 & 162 to get your answer :)

5 0
3 years ago
What elements in domain has the image 5 under function f(x)= 3x+ 2?
bekas [8.4K]

Answer:

Step-by-step explanation:

hello

calculate x : 3x+2 =5

means : 3x+2-2 =5-2

3x = 3

so : x = 3/3 =1

1 is the  element in domain has the image 5 under function f(x)= 3x+ 2

7 0
2 years ago
Which segment is parallel to FE
mezya [45]

Answer:

THE ANSWER IS A)

Step-by-step explanation:

because when you compare they never intersect and are basically the same lines, expect one is shorter but this still shows that they are parallel. :)

3 0
3 years ago
Write the explicit formula for the geometric sequence. Then find the fifth term in the sequence.
Blababa [14]
Sequence: -4, 8, -16

rate of increase: -16/8 = -2
 
If you make A1 the first term in the sequence you must use (n-1) in the explicit formula. If you go backwards in the sequence to find A0 = 2 then you would use n.

The don't have A0 = 2 listed as an option so we use A1 = -4 and (n-1) terms.

An = -4(-2)^(n-1)

Solving for the 5th term A5, use n = 5

A5 = -4(-2)^(5-1)
A5 = -4(16)
A5 = -64

So the answer is B.

3 0
4 years ago
Read 2 more answers
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