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3 years ago

Solve by substitution

Mathematics

1 answer:

solong [7]3 years ago

7 0

X= -7
Y= -3

Please mark me as brainliest if this helped.

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Need help btw i am in middle school

lorasvet [3.4K]

Answer:2

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3 years ago

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Solve for t. 3t + 3 / 5 =6

Vedmedyk [2.9K]

3t+3/5=6
3t = 6-3/5
3t = 27/5
t=9/5

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3 years ago

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Use the given information to determine the exact trigonometric value.

pashok25 [27]

Answer: $\bold{a.\quad -\dfrac{2\sqrt{6}}{5}}$

Step-by-step explanation:

$sin\theta=\dfrac{y}{h}\implies y=-1, h=5\\\\\\\text{Use Pythagorean Theorem to find x:}\\x^2 + y^2 = h^2\\x^2 + (-1)^2=5^2\\x^2+1=25\\x^2=24\\x=\sqrt{24}\\x=2\sqrt{6}$

$\text{Since }\theta\text{ is between }\pi\text{ and }\dfrac{3\pi}{2} \text{ (Quadrant III)},\text{ then x and y are negative.}\\\implies x=-2\sqrt{6}\\\\\\cos\theta = \dfrac{x}{h}\quad =\boxed{-\dfrac{2\sqrt{6}}{5}}$

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3 years ago

Hi guys can you answer my math question

dolphi86 [110]

Step-by-step explanation:

Put 1 on the far left and 4 on the far right.

Put. 2 the top and 3 at the bottom.

Put 5 in the centre.

There are 2 ways you can find to to make all the numbers add up to 5.

The number in the centre is the common anwser to the sums.

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3 years ago

the jet was flying at an altitude of 20,000 feet. to avoid a storm the pilot dropped it 5,540 feet. how high is the plane now?

Tema [17]

Answer:

14,460 ft.

Step-by-step explanation:

20,000 - 5,540 = 14,460

pls mark brainliest!

3 0

3 years ago