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givi [52]
3 years ago
10

Can you please explain this problem for me 2 (-3+4)-3 (6÷-2)​

Mathematics
1 answer:
ycow [4]3 years ago
8 0

Answer:

18

Step-by-step explanation:

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Find f(-6) for f(x) = x² - 4x + 5. Be sure to show<br> your work.
Marina86 [1]

substitute -6 in the equation:

f(x)=x^{2} -4x+5,\\f(-6)=(-6)^{2} -4(-6)+5\\f(-6)=36+24+5\\f(-6)=\boxed{65}

4 0
3 years ago
How do decomposers obtain their food?
Ostrovityanka [42]

Answer:

they are living things that get their energy by eating dead animals and plants. they break down wastes of other animals.

Step-by-step explanation:

Hopefully this helps

3 0
2 years ago
Please solve for me!!
kifflom [539]

Answer:

8:30 PM

Step-by-step explanation:

Let's say that x is minutes since 6:20 PM, and y is position in miles.

Since Jonathan drives at a constant rate, the position vs time graph is linear.  Two points on the line are (0, 75) and (20, 85).  The slope of the line is:

m = Δy / Δx

m = (85 − 75) / (20 − 0)

m = ½

So the equation of the line is:

y = ½ x + 75

We want to find x when y is 140.

140 = ½ x + 75

65 = ½ x

x = 130

So 130 minutes after 6:20 PM is when Jonathan's position will be 140 miles.  130 minutes is 2 hours and 10 minutes.  So the time will be 8:30 PM.

3 0
3 years ago
And can you please explain what does <br> SAS-AA-ASA-SSS mean
Jet001 [13]
This is how a triangle is equal to one another, SAS is side angle side, AA is angle angle, ASA is angle side angle, and SSS is side side side, yours looks like AA but I might be wrong. I believe it is AA, so if you have no clue just go with AA
5 0
2 years ago
Read 2 more answers
John enlarged one side of his square flower bed by 8 ft to make it into a rectangle. The area of the new flower bed is 3 times t
kobusy [5.1K]

Answer:

4

Step-by-step explanation:

4*4=16

(4+8)4=48

16*3=16!

5 0
3 years ago
Read 2 more answers
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