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solniwko [45]
2 years ago
6

Find the unit rate. 7 square foot in - hour ​

Mathematics
1 answer:
notka56 [123]2 years ago
6 0

i need more info. Is this the whole question?

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Which property is shown?<br><br> If m∠ABC = m∠CBD, then m∠CBD = m∠ABC
otez555 [7]

ANSWER: symmetric property

hope it helps thanks

brainliest pls

6 0
2 years ago
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Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. Whe
Rama09 [41]

You can see how this works by thinking through what's going on.

 

In the first year the population declines by 3%.  So the population at the end of the first year is the starting population (1200) minus the decline: 1200 minus 3% of 1200.  3% of 1200 is the same as .03 * 1200.  So the population at the end of the first year is 1200 - .03 * 1200.  That can be written as 1200 * (1 - .03), or 1200 * 0.97

 

What about the second year?  The population starts at 1200 * 0.97.  It declines by 3% again.  But 3% of what???  The decline is based on the population at the beginning of the year, NOT based no the original population.  So the decline in the second year is 0.03 * (1200 * 0.97).  And just as in the first year, the population at the end of the second year is the population at the beginning of the second year minus the decline in the second year.  So that's 1200 * 0.97 - 0.03 * (1200 * 0.97), which is equal to 1200 * 0.97 (1 - 0.03) = 1200 * 0.97 * 0.97 = 1200 * 0.972.

 

So there's a pattern.  If you worked out the third year, you'd see that the population ends up as 1200 * 0.973, and it would keep going like that.

 

So the population after x years is 1200 * 0.97x

5 0
3 years ago
Which can be the first step in finding the equation of the line that passes through the points (5,-4) and (-1,8) in slope-interc
Mars2501 [29]

 

<span>Hello : let  A(5,-4)    B(-1,8)
the slope is :   (YB - YA)/(XB -XA)
(8+4)/(-1-5)  =-2
an equation is : y=ax+b     a is a slope</span>

y = -2x +b

 

the line through point  A(5,-4) :  -4= -2(5)+b<span>
<span>b = 6
the equation is : y =-2x+6</span></span>

7 0
3 years ago
Read 2 more answers
An ellipse has a center at the origin, a vertex along the major axis at (0, 17), and a focus at (0, −8). Which equation represen
Marianna [84]
We know that
<span>Since the focus and vertex are above and below each other, rather than side by side, I know that this ellipse must be taller than it is wide.
</span>Then 
a²<span> will go with the </span>y<span> part of the equation
</span>Also, since the focus is 8 <span>units below the center, then </span><span>c = 8
</span>since the vertex is 17<span> units above, then </span><span>a = 17
</span>The equation b²<span> = a</span>²<span> – c</span>²<span> gives me
</span>b²=17²-8²-----> b²=225
the equation is
y²/a²+x²/b²=1------> y²/289+x²/225=1

the answer is
y²/289+x²/225=1

see the attached figure

7 0
3 years ago
Read 2 more answers
Which of the following is true of the values of x and y in the diagram below? A unit circle is shown. A radius with length 1 for
lesantik [10]

Answer:

y/x = 1 got it right on edg

Step-by-step explanation:

6 0
3 years ago
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