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pav-90 [236]
3 years ago
7

Factor the expression below. 4x2 - 1

Mathematics
1 answer:
Mila [183]3 years ago
4 0

Answer:

(2x-1)(2x+1)

Step-by-step explanation:

the answer is c

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David has 36 apple and pear trees in his gardens. If he plant 4 more apple trees, he will have the same amount of apple and pear
amm1812

Answer:

16 apples, 20 pears

Step-by-step explanation:

36+4=40

So 40/2= 20 or an even amount of both apples and pears

20-4= 16 ~Original amount of apples

36-16=20 ~Amount of pears

6 0
3 years ago
A human heart beats an average of 80 beats per minute. How many heart <br> beats is this in a day
vovangra [49]

Answer:

115200

Step-by-step explanation:

80 Beats Per Minute <em><u>x</u></em> 60 Minutes (1 hour) <em><u>x</u></em> 24 Hours (1 Day) = 115200

3 0
3 years ago
Uhhhhh.....help is needed.
bulgar [2K]

Answer:

D.

Step-by-step explanation:

Look for the closed circle with the arrow pointing to the right on this one.

5 0
3 years ago
Read 2 more answers
Y = (x) =(1/8)^x<br> Find f(x) when X =<br> (1/3)<br> Round your answer to the nearest thousandth.
vlada-n [284]

Answer:

1/2.

Step-by-step explanation:

f(x) = (1/8)^x

when x = 1/3

f(x)  =  (1/8)^1/3

f(x) = ∛(1/8)

f(x) = 1 / ∛8

f(x) = 1/2.

6 0
3 years ago
Find the equations of the lines for the following. Your answer should be in the form y=mx+b.
spin [16.1K]

Answer:

1 ) y = 2x - 1

slope = 2

y intercept is (0,-1)

2) y = -1/2x + 5

slope = -0.5

y intercept  = (0,5)

Step-by-step explanation:

4 0
3 years ago
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