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astraxan [27]
3 years ago
5

What is the value of x in the right triangle below? Round to the nearest tenth.

Mathematics
2 answers:
Monica [59]3 years ago
6 0

Answer:

  • C. 16.9

Step-by-step explanation:

<u>Use sine:</u>

  • x/ 18 = sin 70
  • x = 18 sin 70
  • x = 16.9
Afina-wow [57]3 years ago
4 0

{ \dashrightarrow{ \sf{ \green{ \frac{x}{18}  =  \sin(70) }}}} \\  \\  \\ { \dashrightarrow{ \sf{  \green{x = 18 \sin(70) }}}} \\  \\  \\ { \dashrightarrow{ \sf{ \underline{ \green{x = 18 \times 0.77}}}}} \\  \\  \\  { \dashrightarrow{ \sf { \green{x = 18 \times 0.939}}}} \\  \\  \\  { \dashrightarrow{ \sf{ \green{x = 16.9 }}}}

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kolbaska11 [484]
Yes because when you turn into a decimal it's 7.2
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Which percent is equivalent to 13/25?
Diano4ka-milaya [45]

Answer:

52%

Step-by-step explanation:

13/25  

13 ÷ 25

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4 0
3 years ago
What is 4y - 9x + 3y - 2x when simplified?
pychu [463]

Answer:

A. -11x + 7y

Step-by-step explanation:

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3 0
2 years ago
Use unit multipliers to convert 123 pounds per mile to ounces per centimeter. There are 5,280 feet in 1 mile. There are 16 ounce
gregori [183]
A unit multiplier is a conversion factor of value 1 that we can use to convert quantities.
We want to convert 123 pounds per mile to ounces per centimeter. 
First, we are going to express the quantity to convert as a fraction:
123 pounds per mile=123 \frac{pounds}{mile}

Next, we are going to find our multipliers:
- We know for our problem that there are 5,280 feet in 1 mile, so our first multiplier will be: \frac{1mile}{5280ft}
- We also know that there are 16 ounces in 1 pound, so our second multiplier will be: \frac{16ounces}{1pound}
- We know that there are 12 inches in 1 foot, so our third multiplier will be: \frac{1ft}{12in}
- We know that t<span>here are approximately 2.54 cm in 1 inch, so our fourth multiplier will be: </span>\frac{1in}{2.54cm}

Now we can put all our multipliers together:
123 \frac{pounds}{mile} * \frac{1mile}{5280ft}*\frac{16ounces}{1pound}* \frac{1ft}{12in}*\frac{1in}{2.54cm}=0.01 \frac{ounces}{cm}

We can conclude that the answer is 0.01
3 0
4 years ago
If 2x + 3 = 17, then x = 7<br><br> 2x + 3 = 17<br><br> Conclusion??
Elena L [17]
Plug in 7 for x:
2(7) + 3 =
Solve:
14 + 3 = 17
7 is a true answer for x
4 0
3 years ago
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