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Fynjy0 [20]
3 years ago
9

Which of the equations shown have infinitely many solutions?

Mathematics
1 answer:
zysi [14]3 years ago
5 0

Answer:

D. 3(x-1) = 3x-3

Step-by-step explanation:

I'm sure that's the answer

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15 points Composition of Functions
Paul [167]

Answer:

last option

Step-by-step explanation:

8 0
3 years ago
charla wants to determine the vertex of the function f(x)=x^2-18x+60 by changing the function into vertex form.
Vlad1618 [11]
x^2-18x+60 =\\
x^2-18x+81-21=\\
(x-9)^2-21

The vertex is (9,-21)
7 0
3 years ago
Can Someone please help me....Like pretty please....It would mean everything to me, Please help me out 1. 2. 3. 4. 5.
navik [9.2K]
<h3>Answers</h3>
  1. SSS congruence theorem
  2. SAS congruence theorem
  3. ASA congruence theorem
  4. AAS congruence theorem
  5. HL congruence theorem

================================

Explanation:

  1. SSS stands for "Side side side" indicating there are 3 pairs of sides that are same length. Visually we use tickmarks to show how the sides pair up. Eg: sides that have 1 tickmark only are the same length. If we know that all 3 pairs of sides are congruent, then we have enough info to conclude the triangles are congruent.
  2. SAS means "side angle side". The angle is between the two sides. The sides in question are the ones with tickmarks to indicate how they pair up.
  3. We have two angles and a side between them. So we use ASA this time. It stands for "Angle side angle". This is slightly different from AAS.
  4. We'll use AAS here. The side is not between the two angles. So this is why AAS is different from ASA. Some books may call "AAS" as "SAA", but they're the same thing.
  5. HL stands for hypotenuse leg. This only applies to right triangles (since the hypotenuse is a special term for the longest side of a right triangle). The hypotenuse is always opposite the 90 degree angle. This is the only time when SSA will work. Otherwise, SSA is ambiguous and it is not a valid congruence theorem.
6 0
3 years ago
Find the domain for the function f(x) = the quotient of the square root of the quantity x minus 3 and the quantity x minus 5.
Daniel [21]

f(x) =  sqrt [( x - 3) / (x - 5)]

well x cannot be 5  because  that would make  x - 5 = 0.

Also the fraction x - 3 / x - 5 cannot be negative because theres no real square root of a negative.

So  x must be <= 3 or  > 5

In interval notation the domain is ( -∞,3] or (5 , ∞)

4 0
3 years ago
Read 2 more answers
In a lab experiment, 80 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to doub
Effectus [21]

Answer:

The hourly growth rate is of 4.43%.

The function showing the number of bacteria after t hours is P(t) = 80(1.0443)^t

Step-by-step explanation:

Equation of population growth:

The equation for the population after t hours is given by:

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

In which P(0) is the initial population and r is the growth rate, as a decimal.

The conditions are such that the number of bacteria is able to double every 16 hours.

This means that P(16) = 2P(0). We use this to find r.

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

2P(0) = P(0)(1+r)^{16}

(1+r)^{16} = 2

\sqrt[16]{(1+r)^{16}} = \sqrt[16]{2}

1 + r = 2^{\frac{1}{16}}

1 + r = 1.0443

r = 1.0443 - 1

r = 0.0443

The hourly growth rate is of 4.43%.

80 bacteria are placed in a petri dish.

This means that P(0) = 80.

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

P(t) = 80(1+0.0443)^t

P(t) = 80(1.0443)^t

The function showing the number of bacteria after t hours is P(t) = 80(1.0443)^t

6 0
3 years ago
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