2 years ago

In service spacecraft weiht in pound

Mathematics

1 answer:

galina1969 [7]2 years ago

7 0

What do you mean? Do you have a picture

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X + 15 - 4 Please help ty

IrinaK [193]

$x+15-4 \\ \\ =x+11$

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3 years ago

Write three numbers that round to 70 when rounded to the nearest ten

Trava [24]

The digit 7 is in the tens place so 74 will become either 70 or 80 after rounding off to the nearest ten. Draw a number line with 3 numbers on it: 70, 75 and 80. (Both possible rounded off numbers and the number in the middle.

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3 years ago

PLEASE HELP ASAP TRIGONOMETRY

otez555 [7]

Answer:

11). x = 25.8°

12). x = 67.3°

Step-by-step explanation:

11). By using sine rule in the given triangle,

cos(x) = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}$

cos(x) = $\frac{27}{30}$

x = $\text{cos}^{-1}(\frac{9}{10} )$

x = 25.84

x ≈ 25.8°

12). By applying tangent rule in the given triangle,

tan(x) = $\frac{\text{Opposite side}}{\text{Adjacent side}}$

tan(x) = $\frac{43}{18}$

x = $\text{tan}^{-1}(\frac{43}{18} )$

x = 67.29°

x ≈ 67.3°

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3 years ago

How do u figure out my equation? I know I need to use tan, but how?

Marysya12 [62]

Basically, you need to calculate "x" correct?
The tangent of (52) = x / 20
1.2799 = x / 20
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x = 25.598

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3 years ago

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Solving Systems of linear equations by graphing. no graphing device.

valentina_108 [34]

Answer: (1,3)

Step-by-step explanation:

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2 years ago

In service spacecraft weiht in pound​

In service spacecraft weiht in pound