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jok3333 [9.3K]
3 years ago
15

Solve the inequality: 4x - 3 < 13 I

Mathematics
1 answer:
Lyrx [107]3 years ago
5 0
Hey I’m not sure if I have to sub 13 into x but here’s how it’s solved.


=4(13)-3
=52-3
=49
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RSM HOMEWORK HELP!!! PLEASE HELP ME ASAP!!
frutty [35]

Answer:

x = 27

Step-by-step explanation:

AC // DE

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m∠ADB + m∠BDE + m∠EDF = 180°

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x = 27°

4 0
3 years ago
Solve x2 + 15x = –56.
Black_prince [1.1K]
15x = 7x + 8x

x^2+15x=-56\\\\ x^2+15x+56=0\\\\ x^2+7x+8x+56=0\\\\x(x+7)+8(x+7)=0\\\\ (x+7)(x+8)=0 \\\\ x=-7 \ or \ x=-8
6 0
3 years ago
Read 2 more answers
For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 20 N acts on
jeka94

The acceleration of the object will be 10 m/s²

Step-by-step explanation:

Direct variation is a relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other

  • If y varies directly with x, then y ∝ x
  • y = k x, where k is the constant of variation

For a moving object, the force acting on the object varies directly with the object's acceleration.

Assume that the force is F and the acceleration is a

∵ F ∝ a

∴ F = k a

∵ F = 20 newtons

∵ a = 4 m/s²

- Substitute these values in the equation above to find k

∵ 20 = k (4)

∴ 20 = 4 k

- Divide both sides by 4

∴ k = 5

- Substitute the value of k in the equation

∴ F = 5 a ⇒ equation of variation

∵ F = 50 Newtons

∵ F = 5 a

∴ 50 = 5 a

- Divide both sides by 5

∴ 10 = a

∴ a = 10 m/s²

The acceleration of the object will be 10 m/s²

Learn more:

You can learn more about variation in brainly.com/question/10708697

#LearnwithBrainly

7 0
3 years ago
Order these weights from lightest to heaviest 10 ounces 1 pond and 1 ounce
Alchen [17]
1 ounce, 10 ounces, 1 pound.

1 pound = 16 ounces
6 0
3 years ago
Please I need some answers
timama [110]
A) -8
b) -27
c) 32
d) X
3 0
2 years ago
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