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exis [7]
2 years ago
10

Find the exact value of x

Mathematics
1 answer:
Olin [163]2 years ago
5 0

Answer:

7.07

Step-by-step explanation:

5sin90=xsin45

5/sin45=7.07

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Does anyone know how to do this?
Svetach [21]
Answer: Choice B) y = (x+4)^2 - 1

-------------------------------------------------------------------

Reasoning:

The vertex is (h,k) = (-4,-1) so h = -4 and k = -1

In each answer choice, a = 1. 

Plug a = 1, h = -4 and k = -1 into the equation below and simplify

y = a(x-h)^2 + k
y = 1(x-(-4))^2 + (-1)
y = (x+4)^2 - 1
3 0
3 years ago
Ben’s Video shack charges $1.50 to rent a video game for a night. Mr. Gareth’s Entertainments charges $5.00 plus $0.50 per night
Leya [2.2K]

Answer: 5 nights

Step-by-step explanation: Mr. Gareth's Entertainments has a one time fee of $5.00, then charges $0.50 per night for a game, while Ben's Video shack charges $1.50 to rent a video game for a night. We can set up equations for both places. We can let x = the amount of nights the game is being rented for. Mr. Gareth's Entertainments = $0.50x + $5.00 because $0.50 is being charged every night and $5.00 was charged only once. Ben's Video shack = $1.50x. We can make the equations equal to eachother, so $1.50x = $0.50x + $5.00

We can subtract by $0.50x both sides to make it so only one side will have x. This will make the equation easier to solve. By subtracting $0.50x from both sides, we get $1.00x = $5.00. Since we made x = the amount of nights the game is being renmted for, we know x = 5, so it would take 5 nights.

We can double check. $1.50 * 5 = $7.50

$0.50 * 5 = $2.50

$2.50 + $5 = $7.50

7 0
3 years ago
in triangle ABC, if the length of side b is 3 centimeters and the measures of angle B and angel C are 45⁰ and 60⁰, respectively,
statuscvo [17]
<h3>Answer: 3.67 centimeters approximately</h3>

Use the law of sines to get this answer

b/sin(B) = c/sin(C)

c/sin(C) = b/sin(B)

c/sin(60) = 3/sin(45)

c = sin(60)*( 3/sin(45) )

c = 3.6742346 approximately

c = 3.67 rounding to nearest hundredth

Make sure your calculator is in degree mode.

7 0
3 years ago
A farmer sells carrots and squash. A customer buys 1 pound of carrots and 1.5 ponds of squash for $7.00. Another customer buys 4
Otrada [13]

Answer:

$1.75

Step-by-step explanation:

1 pound of carrot and 1.5 pounds of squash cost $7.00.

1c + 1.5s = 7 ----------------- [ 1 ]

4.5 pounds of carrot and 1.75 pound of squash cost $14.00.

4.5c + 1.75s = 14 ----------------- [ 2 ]

<u>[ 1 ] x 4.5:</u>

4.5c + 6.75s = 31.5 ----------------- [ 1a ]

<u>[1a] - [2]:</u>

5s = 17.5

s = $3.50

<u>Sub s = 3.5 into [ 1 ]:</u>

1c + 1.5 (3.5)  = 7

1c + 5.25 = 7

1c = $1.75

8 0
3 years ago
While shopping for clothes, Curtis spent $33 less than 3 times what Jaclyn spent.Curtis spent $12.Write and solve an equation to
Tema [17]

Answer:

12 x 3 = 36 + 33

Step-by-step explanation:

sorry if it's wrong but the answer to the equation i put out would be 69

7 0
3 years ago
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