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Darina [25.2K]
2 years ago
6

Marcella is flying a kite in a competition. To win the competition, her kite string must have at least 162 feet

Mathematics
1 answer:
Elodia [21]2 years ago
5 0

Answer:

No. 159.74 < 162 feet

Step-by-step explanation:

\sin(28)  = \frac{75}{x}  \\ x =  \frac{75}{0.4695}  \\ x = 159.74

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Aaron is 15 centimeters taller than Peter, and five times Aaron's height exceeds two times Peter's height by 525 centimeters. Th
Tatiana [17]
The system of linear equations that relates x and y:
x= 15 + y
5 x = 2 y+ 525
We will solve this system using substitution method:
5(15 + y)=2 y + 525
75 + 5 y = 2 y + 525
5 y - 2 y = 525 - 75
3 y = 450,           y = 450 : 3        y = 150
x = 15 + y           x = 15 + 150     x = 165
Answer: Aaron´s height is 165 cm and Peter´s height is 150 cm.
4 0
3 years ago
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If f(x)=2x-7, then find f(8)​
Artyom0805 [142]

It should be 9. I hope this helps. If it's not 9 then can u please give me a list of your answers to choose from.

5 0
3 years ago
PLEASE HELP ME !!!! WILL GIVE BRAINLIEST TO WHOEVER ANSWERS CORRECTLY
Margarita [4]

Answer:

(8x + 1)° + ( 4x+11)° = 180° (linear pair )

8x +1 + 4x +11 = 180

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3 0
3 years ago
Help! I don't understand this.
OleMash [197]

Answer:

x > 9.

Step-by-step explanation:

Here it is just simplifying the inequality.

6 - 2/3x < x - 9

Add 2/3x to both sides.

6 < 5/3x - 9

Add 9 to both sides.

15 < 5/3x

Multiply by 3/5.

9 < x

Flip it.

x > 9.

7 0
3 years ago
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Write an equation in point-slope form that passes through ( -4, 2) and has a slope of 3. *
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