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alexdok [17]
3 years ago
15

Plss help me with my questions plsss plss help me plsss​

Mathematics
2 answers:
yarga [219]3 years ago
6 0

Answer:

11. 3.8 12. .009 13. 5.1 14. .678 15. 37.0800

Kamila [148]3 years ago
3 0

Step-by-step explanation:

hey

how are you cutie girl

you're from which country

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Giovanni purchased 25tickets to an airshow. the cost of an adult's ticket is $14 and the child's ticket is $8. if the total cost
Masteriza [31]

Giovanni purchased 20 adult tickets and 5 child's tickets.

Step-by-step explanation:

Let,

x = Adult tickets

y = Child's tickets

According to given statement;

x+y=25 Eqn 1

One adult ticket costs $14 and one child ticket costs $8, therefore,

14x+8y=320 Eqn 2

Multiplying\ Eqn\ 1\ by\ 8\\8(x+y=25)\\8x+8y=200\ Eqn\ 3\\Subtracting\ Eqn\ 3\ from\ Eqn\ 2\\(14x+8y)-(8x+8y)=320-200\\14x+8y-8x-8y=120\\6x=120\\Dividing\ both\ sides\ by\ 6\\\frac{6x}{6}=\frac{120}{6}\\x=20

Putting value of x in Eqn 1;

20+y=25\\y=25-20\\y=5

Giovanni purchased 20 adult tickets and 5 child's tickets.

Keywords: Linear equations, Addition

Learn more about linear equations at:

  • brainly.com/question/4460262
  • brainly.com/question/4464845

#LearnwithBrainly

6 0
3 years ago
I need answers and reasoning <br> On 14 plz include a drawing
otez555 [7]

Answer:

Yes, it doubles.

Step-by-step explanation:

2 times 8.6 is 17.2

it doubles because of the ratio the sides of a rite triangle are in. the ratio is always the same

7 0
3 years ago
Solve for x by completing the square: x2 - 12x + 11 = 0
sineoko [7]

Answer:

B

Step-by-step explanation:

x² - 12x + 11 = 0 ( subtract 11 from both sides )

x² - 12x = - 11

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 6)x + 36 = - 11 + 36

(x - 6)² = 25 ( take square root of both sides )

x - 6 = ± \sqrt{25} = ± 5 ( add 6 to both sides )

x = 6 ± 5

Then

x = 6 - 5 = 1 ⇒ (1, 0 )

x = 6 + 5 = 11 ⇒ (11, 0 )

6 0
2 years ago
Name two corresponding angles to &lt;1?
masya89 [10]
C
hope this helps :)
7 0
3 years ago
Solve the following system of equations using the elimination method.
liraira [26]

Answer: its A

Step-by-step explanation:

8 0
3 years ago
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