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OLga [1]
3 years ago
13

Please help with these graph problems - thank you in advance!

Mathematics
1 answer:
kow [346]3 years ago
4 0

Answer:

D

Step-by-step explanation:

The parts of the graph below the x- axis denote where f(x) < 0

That is for

(- 4, - 2) ∪ (2, 4) → D

f(x) is not defined ( open circles ) for x = -2, x = 2, x = 5

domain is [- 4, - 2) ∪ (- 2, 2) ∪ (2, 5) ∪ (5, ∞ ) → D

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A given line has the equation 10x + 2y = −2.
sergij07 [2.7K]
Firstly, let's convert 10x + 2y = -2 to slope-intercept form (y = mx + b):

10x + 2y = -2
2y = -10x - 2
y = -5x - 2/5

The slope is -5. Parallel lines have the same slope; the question provides the y-int (12), so our equation is:

y = -5x + 12

Hope this helps.
5 0
3 years ago
Read 2 more answers
Christina also plans on leaving her $10,000 invested for 20 years. Write an equation representing her investment’s value, y, aft
kaheart [24]

The required equation is y = 10000(1.0.25)^2x. The value of Christina’s investment after 20 years is $30,773.14

Compound interest

The interest accrued on a sum of money is known as interest. The formula for calculating the compound interest is expressed as:

y = y0(1+r/n)^nx

where

x is the time taken

r is the rate in decimal

n is the compounding time


Given the following

x = 20 years

n  2(semi annually)

r  = 5.7% = 0.057

Substitute

y = 10000(1+0.057/2)^2(20)
y = 10,000(1 + 0.0285)^40

y = 10000(1.0285)^40
y = 30,773.14

Hence the value of Christina’s investment after 20 years is $30,773.14

Learn more on compound interest here: brainly.com/question/24924853

4 0
2 years ago
Plz help me. I forgot how to do this XD
nirvana33 [79]
This question has to do with making an approximation based on the diagram of the angle. Angle KLM is an obtuse angle meaning it is larger then 90° but is also less than 180°. The only choices that lie within this range are choices B and D. However, it is safe to assume that angle KLM is closer to 180° than to 90° based on the diagram, therefore the answer must be choice B.

I hope this helps.
5 0
3 years ago
There are 2 bakers. Each baker has 4 pans. Each pan has 6 cupcakes. Write 2 expressions that show the total number of cupcakes.​
irinina [24]

Step-by-step explanation:

4*6=24

24*2=48

In total between the 2 bakers, there are 48 cupcakes

3 0
3 years ago
Read 2 more answers
Arrange the following fraction in ascending order 4/12 , 5/6 , 2/3 5/6
ratelena [41]

Answer:

4/12  2/3 5/6 5/6

Step-by-step explanation:

7 0
3 years ago
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