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riadik2000 [5.3K]
3 years ago
13

Can someone help me​

Mathematics
1 answer:
Anni [7]3 years ago
3 0

Step-by-step explanation:

For a parabola y = ax² + bx + c, the vertex occurs at x = -b / (2a).

For f(x), a = -2, b = 0, and c = 9.  So the vertex is at:

x = -0 / (2×-2)

x = 0

At x=0:

f(0) = -2(0)² + 9

f(0) = 9

The maximum of g(x) is at 11.

So g(x) has a greater maximum value than f(x).

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By the end of the round 3 of the handshaking activity in the Epidemiology Lab, eight people are infected (of the twenty four peo
Solnce55 [7]

Answer:

d. (16/24) * 100%

Step-by-step explanation:

The infection rate =( Number of infected people/ total number of people) *  100%

After the end of round 3

Infection rate = (8/24)*100%

After the end of round 4, since no one is infected more than once

Infection rate = 2* (8/24)*100%

Infection rate = (16/24) * 100%

4 0
3 years ago
What is the equation parallel to y=5 and y-intercept= -3? pls lemme know asap
WARRIOR [948]

Answer:

it might be y = -3

Step-by-step explanation:

cause y=5 is just a line. do u know the slope?

6 0
2 years ago
Dr,Goode prescribes 0.2 grams of cold medicine for Donald. This medicine comes in tablets that are 0.5 grams or 0.05 grams. Shou
e-lub [12.9K]

Using proportions, it is found that Donald should order 4 of the 0.05 gram tablets.

  • This question is solved by proportions, using a <em>rule of three</em>.
  • 4 tablets are needed, and they should combine for 0.2 grams. How many grams is there going to be on one tablet?

The <em>rule of three</em> is:

1 tablet - x grams

4 tablets - 0.2 grams

Applying cross multiplication:

4x = 0.2

x = \frac{0.2}{4}

x = 0.05

Donald should order 4 of the 0.05 gram tablets.

For more on proportions, you can check brainly.com/question/24372153

7 0
2 years ago
What is the reason for statement 4 in this proof?
Naddika [18.5K]
It's the reflexive property because it's just relating it to itself (def. of reflexive)

As we all know: A=A, B=B, mx=mx, nothing changes.

So the answer is D
5 0
3 years ago
Read 2 more answers
What adds to get 3 but multiplies to get negative 18
Colt1911 [192]
6 and -3

6 + -3 = 3

6  x -3 = -18

Hope that helps! 
3 0
3 years ago
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