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timofeeve [1]
3 years ago
13

Solving systems of equations by substitution

Mathematics
1 answer:
Solnce55 [7]3 years ago
7 0
Substitution is a method of finding x or y value by taking,
——-

1st full equation in name of x and substituting to get the value.

Hope helped
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Claire is going to an amusement park. The price of admission into the park is $30, and once she is inside the park, she will hav
nydimaria [60]

Answer:

1. $66

2. 30 + 4r

Step-by-step explanation:

Let

Price of admission into the park=$30

Price of every ride in the park=$4

Number of rides =x

Total cost of going to the park= 30+4x

1. How much money would Claire have to pay in total if she goes on 9 rides

Total cost of going to the park= 30+4x

When x=9

=30+4x

= 30 + 4(9)

=30 + 36

=$66

2. How much would she have to pay if she goes on r rides?

When x=r

Total cost of going to the park= 30+4x

= 30 + 4(r)

=30 + 4r

4 0
3 years ago
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Write an equivalent expression for 27x+18
Lynna [10]
9(3x+2) hope this helps
8 0
3 years ago
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Pls can some help me
maxonik [38]

-4.75= z/2

Multiply both sides by 2

-4.75(2)= z/2(2)

Cross out 2 and 2, divide by 1 and becomes z

z=-9.5

Answer: z= -9.5

7 0
3 years ago
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The function h is a quadratic function whose graph is a translation 3 units left and 4 units up of the parent
jeka57 [31]

Answer:

D ( if you add +4 to the (x + 3)^2)

Step-by-step explanation:

Parent function is f(x) = x^2

A translation 3 units left gives y = )x + 3)^2

- and 4 up gives y = (x + 3)^2 + 4 - vertex form.

Standard form :

y = x^2 + 6x + 9 + 4

= x^2 + 6x + 13.

4 0
2 years ago
retta has 40 raffle tickets to sell. She is required to sell at least 15 tickets. She sells the raffle tickets for $10 each. The
Rudiy27
It should be 400 considering raffle=x×10=400
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3 years ago
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