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s2008m [1.1K]
3 years ago
13

Solve for x: 1/5 (5x + 12) = 18

Mathematics
1 answer:
ziro4ka [17]3 years ago
5 0
X = 78/5. 
<span>Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation. 
This site could help you: </span>http://www.tiger-algebra.com/drill/1/5(5x_12)=18/
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Use cosine to find the missing value round to 2 decimal places #trigonometry
Naddika [18.5K]

Answer:

1. 17.27 cm

2. 19.32 cm

3. 24.07°

4. 36.87°

Step-by-step explanation:

1. Determination of the value of x.

Angle θ = 46°

Adjacent = 12 cm

Hypothenus = x

Using cosine ratio, the value of x can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos 46 = 12/x

Cross multiply

x × Cos 46 = 12

Divide both side by Cos 46

x = 12/Cos 46

x = 17.27 cm

2. Determination of the value of x.

Angle θ = 42°

Adjacent = x

Hypothenus = 26 cm

Using cosine ratio, the value of x can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos 42 = x/26

Cross multiply

x = 26 × Cos 42

x = 19.32 cm

3. Determination of angle θ

Adjacent = 21 cm

Hypothenus = 23 cm

Angle θ =?

Using cosine ratio, the value of θ can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos θ = 21/23

Take the inverse of Cos

θ = Cos¯¹(21/23)

θ = 24.07°

4. Determination of angle θ

Adjacent = 12 cm

Hypothenus = 15cm

Angle θ =?

Using cosine ratio, the value of θ can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos θ = 12/15

Take the inverse of Cos

θ = Cos¯¹(12/15)

θ = 36.87°

8 0
3 years ago
Can someone help me with this question
Dmitriy789 [7]

Answer:

The horizontal shift is to the left by 2 units and the vertical shift is down 3 units for this function.

I hope I was able to help!

Step-by-step explanation:

7 0
3 years ago
PLEASE ANSWER THIS AS SOON AS POSSIBLE
monitta

Answer:

-3

Step-by-step explanation:

5 0
3 years ago
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Help help help i have four more
KiRa [710]
Step 1) distribute the 17: -16+119w-204
Step 2) combine like terms: 119w-220

ANSWER: 119w-220
4 0
3 years ago
If 11x+4=7+9x<br><br> what does x=???/
deff fn [24]

Answer:

x =  \frac{3}{2}  \\ 11x - 9x = 7 - 4 \\ 2x = 3

5 0
3 years ago
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