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Darina [25.2K]
3 years ago
15

Pls help I need to find out the equation

Mathematics
2 answers:
Sauron [17]3 years ago
7 0

Answer:

2x + 1.5y = 15

Step-by-step explanation:

2x + 1.5y = 15 because just plug in the variables.

vlada-n [284]3 years ago
4 0

Answer:

2x + 1.5y = 15

Step-by-step explanation:

You just take what they give you plug in your variables and get your answer

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A force of 60 N is used to stretch two springs that are initially the same length. Spring A has a spring constant of 4 N/m, and
goblinko [34]

Answer:

D:Spring A is 3 m longer than spring B because 15 – 12 = 3.

Step-by-step explanation:

In this question, you should remember the Hooke's Law in physics.

The Hooke's Law simply explains that the extension that occurs on a spring is directly proportional to the load applied on it.

The mathematical expression for this law is

F=-kx

where;

F= force applied on the spring

x = the extension on the spring

k= the spring constant which varies in spring.

The question will need you to calculate the extension on the springs A and B then compare the values obtained.

<u>In spring A</u>

Force, F=60N and spring constant ,k=4 N/m

To find the extension x apply the expression;

F=-kx\\\\60=-4*x\\\\60=-4x\\\\\frac{60}{-4} =\frac{-4x}{-4} \\\\\\-15=x

Here the spring extension is 15 m

<u>In spring B</u>

Force, F=60N and spring constant , k=5N/m

To find the extension x apply the same expression

F=-kx\\\\60=-5*x\\\\60=-5x\\\\\\\frac{60}{-5} =\frac{-5x}{-5} \\\\\\-12=x

Here the extension on the spring is 12 m

<u>Compare</u>

The extension on spring A is 3 m longer than that in spring B because when you subtract the value of spring B from that in spring A you get 3m

=15m-12m=3m

5 0
3 years ago
jakes fruit stand sells mixed bags of apples and oranges. a bag containing 7 apples and 5 oranges weighs 118 ounces.
Marianna [84]

Answer:

what is the question...

Step-by-step explanation:

4 0
2 years ago
Presley bought 3 1/2 yards of fabric for $15.25 how much did Presley pay per foot of fabric round to the nearest cent
Deffense [45]
Your answer would be about $1.45.
4 0
3 years ago
10 + 2-x\3 = 7<br><br><br> \ = divided by<br><br> TIA!
Lemur [1.5K]
Your answer to this problem is 15


10 + 2 - 15 / 3 = 7


Hope it helped :)

8 0
3 years ago
Whats the answers guys
aivan3 [116]
How am i supposed to draw it ??
3 0
3 years ago
Read 2 more answers
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