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lubasha [3.4K]
3 years ago
10

What is the vertex of f(x)=5^2+20-16

Mathematics
1 answer:
zepelin [54]3 years ago
4 0
The given equation is f(x) = 29. The graph is a horizontal line, which has no vertex. Perhaps you intend
.. f(x) = 5x^2 +20x -16
.. = 5(x^2 +4x +4) -16 -20
.. = 5(x +2)^2 -36

The vertex is (-2, -36)

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The perimeter of the rectangle below is 96 units. Find the length of side RS.
ladessa [460]

Answer:

96÷3=32z

sorry if I'm wrong

brainiest please

4 0
3 years ago
If methane at a pressure of 3.2 atm and at 21 °C is introduced into a container, the gas be heated to ______°C to increase the p
Veronika [31]
A: 3.2/294=12/T 
<span>T=1102.5 K </span>
<span>*** </span>
<span>*** </span>
<span>b: V/T => V/1088 = 4000/294 </span>
<span>V = 14802.7 L = 14.8 m^3 </span>
<span>*** </span>
<span>*** </span>
<span>c. </span>
<span>pV/T </span>
<span>1.1*V/294 = 12*15000/1088 </span>

<span>V= 48.64 m^3</span>
3 0
3 years ago
State whether or not the following triangles are similar. If not, explain why not. If so, write a similarity statement
valentinak56 [21]

9514 1404 393

Answer:

  a) ∆RLG ~ ∆NCP; SF: 3/2 (smaller to larger)

  b) no; different angles

Step-by-step explanation:

a) The triangles will be similar if their angles are congruent. The scale factor will be the ratio of any side to its corresponding side.

The third angle in ∆RLG is 180° -79° -67° = 34°. So, the two angles 34° and 67° in ∆RLG match the corresponding angles in ∆NCP. The triangles are similar by the AA postulate.

Working clockwise around each figure, the sequence of angles from lower left is 34°, 79°, 67°. So, we can write the similarity statement by naming the vertices in the same order: ∆RLG ~ ∆NCP.

The scale factor relating the second triangle to the first is ...

  NC/RL = 45/30 = 3/2

__

b) In order for the angles of one triangle to be congruent to the angles of the other triangle, at least one member of a list of two of the angles must match for the two triangles. Neither of the numbers 57°, 85° match either of the numbers 38°, 54°, so we know the two triangles have different angle measures. They cannot be similar.

7 0
3 years ago
Susan borrowed $2,000 at a simple interest rate of 3%. She paid the money back over 1.5 years. What was the total amount of mone
dimulka [17.4K]
I got 6000 but im not 100% sure
4 0
3 years ago
Three tenths of the sum of -2 and -28 written as numerical expression
Anuta_ua [19.1K]
Three tenths is the same as 3/10

the sum of -2 and -28 is -30

3/10 of -30 is the same as the products of the two

3 x -30 / 10 = -90/10 = -9

Your answer is


3(-2 + -28)/10 = -9
6 0
3 years ago
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