3 years ago

Help me out here I’m lost

Mathematics

1 answer:

omeli [17]3 years ago

7 0

Answer:

y= -4/7x+7

Step-by-step explanation:

The slope intercept form is y=mx+b.

slope/m= -4/7

y-intercept/b= 7

All you have to do is plug in those numbers to get the equation in slope intercept form.

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If c+1/d=5 , what is the value of 30d/2c+2

klemol [59]

Answer:

$d\in R,\hspace{5}d\neq 0$

Step-by-step explanation:

You can solve for any variable. From the first equation, let's solve for c :

$\frac{c+1}{d} =5\\\\c+1=5d\\\\c=5d-1$

Now, replace the value of c into the other equation:

$\frac{30d}{2c+2} \\\\\frac{30d}{2(5d-1)+2} \\$

Using distributive property

$\frac{30d}{10d-2+2} =\frac{30d}{10d} =3$

However, keep in mind that this is true for:

$d\in R,\hspace{5}d\neq 0$

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3 years ago

A tree 5 ft tall grows an average of 8 in. each year. Write an equation to model the tree's height h in inches after y years.

WINSTONCH [101]

5 + (8*y) = h

This was the best I could think of, please let me know if I'm wrong.

4 0

3 years ago

2. What's the area of a circle with radius 18 units? A. 36? units2 B. 324? units2 C. 18? units2 D. 9? units2

e-lub [12.9K]

c. 18 is the answer you get

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3 years ago

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Monday's temperature was 6 degree the low temperature was -3 degree what was the difference between the high and low temperature

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The <span>the difference between the high and low temperatures was 9 degrees. </span>

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LAST ONE HELP PLSSS oggngjn gngnuvgnun

jekas [21]

Pretty sure it’s A. Hope this helped :)

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3 years ago