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3 years ago

Can someone explain to me how to solve this problem I’m really confused. I don’t even know where to start.

Mathematics

2 answers:

kaheart [24]3 years ago

6 0

20. Hope this helped

vlabodo [156]3 years ago

4 0

Answer:

(20+x)+x=40

20+2x=40

2x=40-20

2x=20

x=20/2

x=10

Step-by-step explanation:

let the no. of games be x

and the no. of games won be 20+x

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xand y are light house. y being 20km due east of x and from a ship due south of x the bearing of y was 055°. what is the distanc

leonid [27]

Answer:

I) |xz| ≈ 28.6 km

II) |yz| ≈ 34.8 km

Step-by-step explanation:

Let's assume that the position of ship due south of x is z (aà pictor representation of the question is attached)

|xy| = 20 km, |xz| = ?, |yz| = ?, θ(y) = 55°

Using Trigonometric ratio - SOHCAHTOA

I) Tan θ = |xz| ÷ |xy| ⇒ Tan 55° = |xz| ÷ 20

|xz| = 20 * Tan 55 = 20 * 1.428

|xz| = 28.56 km

|xz| ≈ 28.6 km

II) Cos θ = |xy| ÷ |yz| ⇒ Cos 55° = 20 ÷ |yz|

|yz| * Cos 55° = 20 ⇒ |yz| = 20 ÷ Cos 55°

|yz| = 20 ÷ 0.574 = 34.84 km

|yz| ≈ 34.8 km

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3 years ago

What is the formula for slope intercept form?

melisa1 [442]

Answer:

y^2-y^1 over x^2-x^1 is slope intercept form

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3 years ago

Solve for x. - 30 – 5x - 1) + 7 = - 110

ololo11 [35]

Answer:

$x = \frac{86}{5} = 17 \frac{1}{5} = 17.2$

Step-by-step explanation:

$( - 30 - 5x - 1) + 7 = - 110$

$( - 31 - 5x) + 7 = - 110$

$- 31 - 5x + 7 = - 110$

$- 24 - 5x = - 110$

$- 5x = - 110 + 24$

$- 5x = - 86$

$\boxed{\green{x = \frac{86}{5} = 17 \frac{1}{5} = 17.2}}$

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Step-by-step explanation:

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Step-by-step explanation:

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