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PtichkaEL [24]
3 years ago
5

Find the slope of the line that goes through the given points (-4,11) (-12,-1)

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
3 0

Answer:

Step-by-step explanation:

Use the slope formula to find the slope of a line given the coordinates of two points on the line. The slope formula is m=(y2-y1)/(x2-x1)

so it would be

11-(-1)/12--4)

which would be

12/16

to simplify that it is 3/4

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PLEASE SHOW WORK OR EXPLAIN
timofeeve [1]

Answer:

<h3>20.6 ft</h3>

Step-by-step explanation:

You must use the trigonometric function.

In this case, it will be tangent.

tangent=\dfrac{opposite}{adjacent}

We have

\theta=38^o,\ opposite=r,\ adjacent=20

\tan38^\approx0.7813

Substitute:

\tan38^o=\dfrac{r}{20}

\dfrac{r}{20}=0.7813              <em>multiply both sides by 20</em>

r=15.626

Tree height is r + 5.

Therefore

r+5=15.626+5=20.626\approx20.6\ ft

7 0
3 years ago
Two rectangles are similar. One has a length of 12 cm and a width of 9 cm, and
il63 [147K]

Answer:

10.7

Step-by-step explanation:

Let x be the missing side.

The rectangles are similar. Wich means:

● 8/9 = x/12

Cross multiply

● 9x = 8×12

● 9x = 96

Divide both sides by 9

● 9x/9 = 96/9

● x = 10.666

Round it to the nearest unit

● x = 10.7

8 0
3 years ago
Can you plz solve 6-8 on this pic you have to find the area for it plz
Sergio039 [100]

Answer:

Figure 3: 28.5 units²

Figure 4: 33 units²

Figure 5: 25 units²

Figure 6: 30 units²

Figure 7: 25 units²

Figure 8: 32 units²

Reasons:

Figure 3 consists of<u> </u><u>2</u> shapes, A <u>rectangle </u>and a <u>square</u>

                  ████████                                           ◣

rectangle: ████████            triangle:               █◣

                   ████████                                          ██◣

rectangle:

to calculate a <em><u>rectangle's </u></em>area: multiply the lengths of the width and height:

████████= width  8           █

                                                █    =height 3

                                                █

area=w(h)

now substitute the values of W and H:

8(3)=24

<u>rectangle area = </u><u>24</u>

Triangle:

to find the area of a <u><em>triangle</em></u>, multiply the width and height and divide by two:

◣ + ◣ = █         0.5 + 0.5 = 1

                                                █    

███=width   3                         █ =height  3

                                                █    

               

area=\frac{w(h)}{2}

now substitute W and H

area=\frac{3(3)}{2}

area\frac{9}{2}

<u>Triangle area:</u><u> 4.5</u>

Now add the Rectangle Area To the triangle Area:

4.5 + 24 = 28.5

Final answer:

AREA =2 8.5

hope this helps!

5 0
3 years ago
What's the answer to this question -16-4
Finger [1]
-16 - 4 = -1(16 + 4) = -1(20) = -20

Hope that helped :)
4 0
3 years ago
Read 2 more answers
Which ordered pair makes both inequalities true for y&gt; -2x + 3 and y ≤ x - 2
lina2011 [118]

Answer:

(2,0)

Step-by-step explanation:

Substitution, 0> -2(2) + 3 which equals, 0> -1 True

0= 2 - 2 True

6 0
3 years ago
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