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Mars2501 [29]
4 years ago
9

Use the given conditions to write an equation in slope-intercept form. slope = -5, passing through (-4,2) My suggestion is to fi

rst write in point-slope form then rearrange equation into slope-intercept form
Mathematics
1 answer:
Brut [27]4 years ago
3 0

Answer:

<h2>y = -5x -18</h2>

Step-by-step explanation:

Plug-in values in point -slope form ;

y -y_1=m(x-x_1)\\y - 2 =-5(x-(-4))\\y-2 = -5(x+4)\\y-2 =-5x -20\\y = -5x -20+2\\y = -5x -18

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Help me please!!!<br> Explain how it makes sense too!!
Bad White [126]
4) Area is 48 I believe because 6x8 is 48
8) Same explanation but 4x8 making the area 32.
2) Area: 1 because 1x1 is 1
3) Area: 36 because 4.5x8 is 36
5 0
3 years ago
The sum of the speeds of two trains is 725.2 miles per hour. If the speed of the first train is 10.8 mph faster than the second
Dimas [21]
X=first train speed
y=second train speed

sum of speeds is 725.2
x+y=725.2

x is 10.8 more than y
x=10.8+y

subsitute 10.8+y for x


10.8+y+y=725.2
10.8+2y=725.2
minus 10.8 from both sides
2y=714.4
divide both sides by 2
y=357.2
x=10.8+y
x=10.8+375.2
x=386


the speed of first train is 386mph
second train is 357.2mph
8 0
3 years ago
Read 2 more answers
"a man drove 10 mi directly east from his home, made a left turn at an intersection, and then traveled 5 mi north to his place o
Mariulka [41]

Answer:

11.2 miles


Step-by-step explanation:

We can create a triangle from the information given.

<u>We can call the starting point (0,0) in the coordinate system.</u>

  • <u>10 mi east</u> - 10 miles to the right. then,
  • <u>5 mi north</u> - 5 miles above

<em><u>See the attached picture. The direct distance is labeled as x.</u></em>


Now we need to find x using pythagorean theorem.

Pythagorean Theorem = leg²+leg²=hypotenuse²

Solving for x:

10^2+5^2=x^2\\100+25=x^2\\125=x^2\\x=\sqrt{125}\\x=11.18


<em>Rounding to nearest tenth, we have </em><em>11.2 miles</em>

6 0
3 years ago
Read 2 more answers
Please i need help im very confused
arlik [135]

Answer:

a

Step-by-step explanation:

something are very complex

7 0
3 years ago
Read 2 more answers
8. Scott drank 3.5 bottles of water yesterday. Each bottle contained 1.2 pints of water. What was the number of pints of water S
antiseptic1488 [7]

Answer:

4.2 pints

Step-by-step explanation:

3.5 × 1.2 = 4.2

Answer: 4.2 pints

3 0
2 years ago
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