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harina [27]
2 years ago
13

Does anyone know how to answer this exercise?

Mathematics
1 answer:
neonofarm [45]2 years ago
8 0

Answer:

Step-by-step explanation:

The leftmost line segment has a slope of -2 and (-1,-1)  is a point on the line.

Equation: y = -2x-3

middle line segment has a slope of 0 and  y-intercept of -2.

Equation:  y = -2

The rightmost line segment has a slope of 1.5. (5,0) is a point on the line.

y = 1.5(x-5) = 1.5x-7.5

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eimsori [14]
The answer would be 329.49

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4 0
2 years ago
An extended recessionary period is indicative of
exis [7]

Answer:

D) the end of a recession.

Step-by-step explanation:

During the recession period, the unemployment rate is high which is indicative of depression and people suffer from financial crises and gross domestic product ...

4 0
3 years ago
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I need help ASAP on number 8 b and c. Thank you
s344n2d4d5 [400]
I think you're having trouble because the equation you wrote for 8a has a slight typo.

The question says that the length is 9 less than twice the width. Your equation states the length is 9 times the width minus 2. So the length actually equals 2w – 9, meaning that w(2w – 9) = 180

Hope this helps! If you're still having trouble, let me know :)
6 0
3 years ago
The trees at a national park have been increasing in numbers. There were 1,000 trees in the first year that the park started tra
ivanzaharov [21]
The sequence forms a Geometric sequence as the rule to obtain the value for the next term is by ratio

Term 1: 1000
Term 2: 200
Term 3: 40

From term 1 to term 2, there's a decrease by \frac{1}{5}
From term 2 to term 3, there's a decrease also by \frac{1}{5}

The rule to find the n^{th} term in a sequence is 
n^{th}=a r^{n-1}, where a is the first term in the sequence and r is the ratio

So, the formula for the sequence in question is
n_{th} term = 1000( \frac{1}{5} ^{n-1} )

The sequence is a divergent one. We can always find the value of the next term by dividing the previous term by 5 and if we do that, the value of the next term will get closer to 'zero' but never actually equal to zero.

We can find a partial sum of the sequence using the formula
S_{∞} = \frac{a}{1-r} for -1<r<1 
Substituting a=1000 and r= \frac{1}{5} we have 
S_{∞} = \frac{1000}{1- \frac{1}{5} } = 1250

Hence, the correct option is option number 1

6 0
3 years ago
What is the y-intercept of this equation?<br> y= 2/9x +13
Ksju [112]

Answer:

13

Step-by-step explanation:

y=mx+b

b= y-intercept

5 0
3 years ago
Read 2 more answers
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