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2 years ago

6

Can anybody help me please

2 answers:

34kurt2 years ago

8 0

Answer:

(8, -2)

(6, -3)

Step-by-step explanation:

y = 8/2 - 6

y = 4 - 6

y = -2

(8, -2)

-3 = 1/2 x - 6

3 = 1/2 x

6 = x

(6, -3)

zavuch27 [327]2 years ago

4 0

Answer:

1

5

Step-by-step explanation:

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Please help me tahank you so much

STALIN [3.7K]

We know that a triangle adds up to 180 degrees.

Here, 130 is a vertical angle so on the opposite side the triangle makes, it is also 130. Then we could add 130 to 25

130 + 25 = 155

Now let’s subtract this from 180.

180 - 155 = 25.

X is a supplementary angle to 25 so subtract 25 from 180.

180 - 25 = 155

X = 155.

4 0

2 years ago

Find the components of the vertical force Bold Upper FFequals=left angle 0 comma negative 10 right angle0,−10 in the directions

quester [9]

Solution :

Let $v_0$ be the unit vector in the direction parallel to the plane and let $F_1$ be the component of F in the direction of $v_0$ and $F_2$ be the component normal to $v_0$ .

Since, $|v_0| = 1,$

$(v_0)_x=\cos 60^\circ= \frac{1}{2}$

$(v_0)_y=\sin 60^\circ= \frac{\sqrt 3}{2}$

Therefore, $v_0 = \left$

From figure,

$|F_1|= |F| \cos 30^\circ = 10 \times \frac{\sqrt 3}{2} = 5 \sqrt3$

We know that the direction of $F_1$ is opposite of the direction of $v_0$ , so we have

$F_1 = -5\sqrt3 v_0$

$=-5\sqrt3 \left$

$= \left$

The unit vector in the direction normal to the plane, $v_1$ has components :

$(v_1)_x= \cos 30^\circ = \frac{\sqrt3}{2}$

$(v_1)_y= -\sin 30^\circ =- \frac{1}{2}$

Therefore, $v_1=\left< \frac{\sqrt3}{2}, -\frac{1}{2} \right>$

From figure,

$|F_2 | = |F| \sin 30^\circ = 10 \times \frac{1}{2} = 5$

∴ $F_2 = 5v_1 = 5 \left< \frac{\sqrt3}{2}, - \frac{1}{2} \right>$

$=\left$

Therefore,

$F_1+F_2 = \left< -\frac{5\sqrt3}{2}, -\frac{15}{2} \right> + \left< \frac{5 \sqrt3}{2}, -\frac{5}{2} \right>$

$= = F$

3 0

2 years ago

9a+b-8c-2(a+3b-c) simplified

alekssr [168]

Answer:

The correct simplified answer for 9a + b - 8c - 2 (a + 3b - c) would be 7a - 5b - 6c

Step-by-step explanation:

Hope this helps! Sorry if there is no explanation, I am kinda in a rush.

5 0

3 years ago

Read 2 more answers

Can somebody help me in this

DaniilM [7]

Answer:

D

Step-by-step explanation:

The 30-60-90 triangle has the shortest leg as x.

If there is no x you have to use the 2x or $x\sqrt{3}$

3 0

3 years ago

What is the solution to the linear equation 4b + 6 = 2 - b+ 4

inessss [21]

Final Answer: $b = 0$

Steps/Reasons/Explanation:

Question: What is the solution to the linear equation $4b + 6 = 2 - b + 4$ ?

<u>Step 1</u>: Simplify $2 - b + 4$ to $6 - b$ .

$4b + 6 = 6 - b$

<u>Step 2</u>: Cancel $6$ on both sides.

$4b = -b$

<u>Step 3</u>: Subtract $-b$ from both sides.

$4b + b = 0$

<u>Step 4</u>: Simplify $4b + b$ to $5b$ .

$5b = 0$

<u>Step 5</u>: Divide both sides by $5$ .

$b = 0$

~I hope I helped you :)~

5 0

3 years ago