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Lubov Fominskaja [6]
2 years ago
12

Choose the statement that is true.

Mathematics
1 answer:
Andrej [43]2 years ago
3 0

Answer:

The answer is A. If two polygons are congruent, then they are similar

Step-by-step explanation:

Just took the test!

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Prove that the expression A + B - C is equivalent to the expression C - B - A if A = 2x - 1, B = 3x + 1 and C = 5x.
zepelin [54]

Answer:

both are equal is 0

Step-by-step explanation:

After substituting, the answer is 0 to both

3 0
2 years ago
Which number is closest to 1/2
noname [10]

Answer:

0.56

it's basically the number closest to 50. Don't get tricked by the 0.05 because that's only 5% not 50%

8 0
2 years ago
Find the missing variable for a parallelogram:
irakobra [83]
Since the formula to find the area of a parallelogram is base times height (A=bh), and you have been given the area and base already, you can set up an equation. Let h=height in this formula. h x 3.4 = 25. Using this formula, to find the height, you would divide 25 by 3.4 and get approximately 7.35 inches. So, your height= 7.35in. Hope this helps!
4 0
2 years ago
Read 2 more answers
What are the solutions to m2 – 9 = 0?
stiv31 [10]

Answer:

m=-3

Step-by-step explanation:

m2-9=0

2 divied by 9 =3

when you have a positive number and a negitive number =a negitive

I think you get the point

4 0
3 years ago
Read 2 more answers
number of bacteria in a certain population Increases according to a continuous exponential growth model with How many hours does
vladimir1956 [14]

Answer:

It takes 1.77 hours for the population to double.

Step-by-step explanation:

Equation for population growth:

The equation for population growth, after t hours, with a growth rate parameter of r, as a decimal, is given by:

P(t) = P(0)(1+r)^t

Growth rato parameter of 48% per hour

This means that r = 0.48. So

P(t) = P(0)(1+r)^t

P(t) = P(0)(1+0.48)^t

P(t) = P(0)(1.48)^t

How many hours does it take the size of the sample to double?

This is t for which P(t) = 2P(0). So

P(t) = P(0)(1.48)^t

2P(0) = P(0)(1.48)^t

(1.48)^t = 2

\log{(1.48)^t} = \log{2}

t\log{1.48} = \log{2}

t = \frac{\log{2}}{\log{1.48}}

t = 1.77

It takes 1.77 hours for the population to double.

3 0
3 years ago
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