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zhannawk [14.2K]
3 years ago
13

Write an equation in slope-intercept form for the line with y-intercept −5 and slope −2/5

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0

Answer:

\large\boxed{y=-\dfrac{2}{5}x-5}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept</em>

<em />

We have

m=-\dfrac{2}{5},\ b=-5

Substitute:

y=-\dfrac{2}{5}x+(-5)}=-\dfrac{2}{5}x-5

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Area= 169(pie)mm(squared)<br><br> What's the radius and diameter
Natali [406]

You would have to divide by 3.14 to find the radius squared, and to find the diameter, just add the radius plus the radius.
4 0
3 years ago
Bill found a book he wanted on sale for $20.80. The original price of the book was $32. Find the discount rate.
Maurinko [17]

Answer:

35% discount

Step-by-step explanation:

We can first find what percent of 32 20.80 is.

This can be shown by using a percent proportion.

\frac{20.80}{32} = \frac{x}{100}

We can cross multiply to find the value of x.

20.80\cdot100=2080\\\\2080\div 32 = 65

So 20.80 is 65% of 32.

However, this is the percent of the original price. To find the discount, we have to subtract 65 from 100.

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So the book was on a 35% discount.

Hope this helped!

3 0
3 years ago
Angles α and β are the two acute angles in a right triangle, where α = 5x 3 + 20 and β = 2x 3 + 14. Find α.
Tom [10]
The acute angles of a right triangle are complementary, so
  α + β = 90
  (5x/3 +20) + (2x/3) + 14) = 90 . . . . . . substitute given values
  7x/3 +34 = 90 . . . . . . . . . . . . . . . . . . . collect terms
  7x/3 = 56 . . . . . . . . . . . . . . . . . . . . . . . subtract 34
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Then the value of α is ...
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7 0
3 years ago
Read 2 more answers
HELP NEEDED! 10 POINTS!<br> What is the measure of angle FXO?
ICE Princess25 [194]

Answer:

44°

Step-by-step explanation:

< FXO = ½× 88° = 44°

______

5 0
3 years ago
3x+2&gt;2 and 3x less than or equal to 6
Y_Kistochka [10]
3x + 2 > 2
3x > 2 - 2
3x > 0
x > 0

3x < = 6
x < = 6

0 < x < = 6
4 0
3 years ago
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