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USPshnik [31]
3 years ago
12

7x + 9 = 58? solve for x

Mathematics
2 answers:
mars1129 [50]3 years ago
4 0
The answer for the equation is x=7
goldfiish [28.3K]3 years ago
3 0
Answer: x=7

Answer Explanation: 7x=58-9...
58-9 is 49...
7x=49...
Divide 49 by 7 and you get 7.
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Anyone know how to do this?
lesya [120]

<u>To solve this, we need to use our trignometric functions</u>;

   ⇒ <em>look at the diagram attached</em>

<em />

<u>Let's examine what the problem wants</u>:

  • hypotenuse (<em>longest side)</em> of the triangle

<u>Let's examine what the problem gives us</u>:

  • side adjacent to the 45-degree angle
  • angle that has measure of 45-degrees

<u>Let's solve</u>:

   sin(45)=\frac{5}{x} \\5=x*sin(45)\\x = \frac{5}{sin(45)} \\x=7.07

<u>Answer: 7.1</u> (<em>rounded to nearest tenth)</em>

<em />

Hope that helps!

6 0
2 years ago
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cluponka [151]
It would be 6 and 3/10 because 4.5 plus 2.3 equals 6.3 so then you just make it into a mixed number and get 6 and 3/10
8 0
3 years ago
Name a pair of non adjacent complementary angels.
Jobisdone [24]

Answer:

j

Step-by-step explanation:

4 0
3 years ago
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The sum of two integers is 121. The larger integer is 7 more than twice the smaller integer. Find the two integers.
iren [92.7K]
X + (2x + 7) = 121 : Write the expression.
3x + 7 = 121 : Combine like terms.
3x + 7 - 7 = 121 - 7 : Isolate x.
3x = 114 : Combined like terms.
3x / 3 = 114 / 3 : Find the value of x.
x = 38 : This is the smaller integer.
(2x + 7) = (2(38) + 7) = 76 + 7 = 83. : Find the value of the larger number by plugging in the value of x to the larger number's quantity.
The larger number is 83, and the smaller number is 38.
5 0
3 years ago
22. Write the following as fractions: <br><br>i) Seven hundredths<br> ii) Six ninths​
Brilliant_brown [7]
Here are both in fraction form.

i) 7/100
ii) 6/9
3 0
2 years ago
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