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Citrus2011 [14]
3 years ago
15

Choose the best definition for the following term:substitution

Mathematics
2 answers:
emmainna [20.7K]3 years ago
8 0
A strategy for solving<span> systems of equations that include </span>solving<span> for one variable and using that solution to find the other variable.</span>
choli [55]3 years ago
3 0
<span>the action of replacing someone or something with another person or thing</span>
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The initial cost for Travis and his band to record their first CD was $1500. Each CD will cost $4 to produce. If they sell their
a_sh-v [17]
C=1500+4x where x is cds, C is cost
R=10x where R is revenue
then, P=R-C
P=10x-1500-4x
P=6x-1500
set P=0
1500=6x
x=250
check, C=1500+4*250, R=10*250
C=250, R=250
They need to sell 250 cds before they make profit
3 0
3 years ago
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If ∠x= 55, then find the values of a, b, c and d
AnnyKZ [126]

Answer:

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8 0
2 years ago
A minigolf ball is on a perfectly horizontal surface, x = 2 m away from the center of the hole. There is a small obstacle in the
nika2105 [10]
<h3>Answer:</h3><h3>Two possible smallest and largest angles are 11.78° and 78.22°.</h3>

Step-by-step explanation:

Minigolf ball will follow a trajectory to get into the hole.

Since range of a trajectory is calculated by the formula,

R=\frac{u^{2}sin2\theta}{g}

Where u = initial speed of the ball

θ = angle between the hole and direction in which the ball has been projected

g = gravitational pull

Now we plug in the values in the formula,

2=\frac{7^{2}sin(2\theta)}{9.8}

sin2θ = \frac{2\times 9.8}{49}

2θ = sin^{-1}(0.4)

2θ = 23.57° or 156.43°

θ = 11.78° or 78.22°

Hence two possible smallest and largest angles are 11.78° and 78.22°.

6 0
3 years ago
How many degrees is 1/4 of a circle?
irina1246 [14]
45 degrees is the answer to your problem

5 0
2 years ago
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Solve for x. x−53 = 4
natima [27]

Answer:

x = 57

Step-by-step explanation:

x−53 = 4

Add 53 to each side

x-53+53 = 4+53

x = 57

5 0
3 years ago
Read 2 more answers
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