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algol13
3 years ago
5

Need help with 3x + 4xwill mark branlist​

Mathematics
2 answers:
AnnZ [28]3 years ago
8 0
It is 7x (variable remains the same!)
vazorg [7]3 years ago
3 0

Answer:

That's 7x

Step-by-step explanation:

Since the two have the exponent x then you can just add. <3

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A wire 24inches long is to be cut into four pieces to form a rectangle whose shortest side has a length of x:
Fynjy0 [20]
If the function is the Area, then Area = length*width = x*(12-x) = 12x - x^2Domain is x>0, since you can't have a rectangle with negative length.

0 < x<6, If x is 7 then width would be 5, but x must be shorter

8 0
3 years ago
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2. Write four thousand twenty four and seventy six thousandths in<br> number<br> inta decimall
nikdorinn [45]

Answer:

k

Step-by-step explanation:

m

5 0
3 years ago
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A set of pulleys is used to lift a piano with a mass of 102 kg. The piano is lifted 3 meters in 1 minutes. How much power is use
agasfer [191]

Answer:

50.031 watts

Step-by-step explanation:

Formula

Power = Force * distance / time

The units are critical

distance = meters

time = seconds

force = newtons = kg * m / s^2

Solution

F = m * a

a = 9.81

m = 102 kg

F = 102 * 9.81 = 1000.62 Newtons

T =  minute = 60 sec/min * 1 min

T = 60 seconds

d = 3 meters

Power = 1000.62 * 3 / 60

Power = 50.031

3 0
3 years ago
Which of the following is an example of how cultural and social factors can influence a consumers decisions to buy a product? A:
serg [7]

Answer: A makeup brand is endorsed by a celebrity

Step-by-step explanation:

Cultural and social factors can influence a consumers decisions to buy a product. Due to the way of life of certain people and the society, some people make decisions that goes in line with what the society wants or thinks is the best.

For example, when people see celebrities using a particular product, they see the product as being more fashionable and trendy and therefore will want to use such product too. The believe since celebrities are using that particular product, using it or buying such product will mean the person has a unique taste or trendy and fashionable.

Therefore, a makeup brand is endorsed by a celebrity is the right answer.

4 0
4 years ago
Two trees are in a garden. The 20-foot tree casts a shadow four feet long. If the other tree is 15-foot tall, how long will its
Kobotan [32]
They are similar triangles so 20/4=15/x
solve for x
20x=15*4=60
x=3
4 0
4 years ago
Read 2 more answers
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