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Archy [21]
3 years ago
12

First person gets brainliest lol

Mathematics
2 answers:
Inessa [10]3 years ago
6 0

Answer:

ayyy im late.. but anyway soo

fgiga [73]3 years ago
3 0

Answer:

YAY

Step-by-step explanation:

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Will Mark Brainliest
Mademuasel [1]

we are given with the data of a parabola with vertex at (2, 2) and directrix at y  = 2.5. the formua should be ax^2 + b x + c = y because of the directrix. 

(x-h)^2 = 4a (y-k)

(x-2)^2 =4a (y-2) 

a is the equidistant distance from focus to vertex and from vertex to directrix that is equal to -0.5

then the  answer is 

(x-2)^2 =-0.5*4 (y-2) 

x2 - 4x + 4 = -2y +4

x2-4x+2y = 0

answer is C

4 0
3 years ago
Consider the following system of equations: 10 + y = 5x + x2 5x + y = 1 The first equation is an equation of a . The second equa
aleksley [76]

Answer: The first equation is an equation of a parabola. The second equation is an equation of a line.

Explanation:

The first equation is,

10+y=5x+x^2

In this equation the degree of y is 1 and the degree of x is 2. The degree of both variables are not same. Since the coefficients of y and higher degree of x is positive, therefore it is a graph of an upward parabola.

The second equation is,

5x+y=1

In this equation the degree of x is 1 and the degree of y is 1. The degree of both variables are same. Since both variables have same degree which is 1, therefore it is linear equation and it forms a line.

Therefore, the first equation is an equation of a parabola. The second equation is an equation of a line.

5 0
3 years ago
Read 2 more answers
The population of a pack of wolves is 88. The population is expected to grow at a rate of 2.5% each year.
Dennis_Churaev [7]

Answer:

Option B is correct.

f(t) = 88(1.025)^t represents the population of the pack of wolves after t years

Step-by-step explanation:

The exponential growth function is given by;

f(t) = a(1+r)^t               ......[1]

where

a represented the initial value

r represents the rate(in decimal)

t represents the time in years

As per the given statement: The population of a pack of wolves is 88. Also, the population is expected to grow at a rate of 2.5% each year.

⇒ a = 88 and  r =2.5% = 0.025.

Substituting these values in equation [1], we have;

f(t) = 88(1+0.025)^t

or

f(t) = 88(1.025)^t

Therefore, the population model of the pack of wolves after t years is given by:  f(t) = 88(1.025)^t





5 0
3 years ago
The interior paint color, Melon Madness,is 30% yellow. Raul used 72 ounces of yellow paint to mix the last batch. How many ounce
Nostrana [21]
72 ounces is 30% of what number ( a much bigger number since 72 is only 30% of it)

Change to math

72 = .3n        (30%= .3 as a decimal)

Divide both sides by .3  (dividing by a number less than 1 will make 72 increase)

Raul will be making 240 ounces of Melon Madness

4 0
3 years ago
Toss a coin 200 times. Record the heads and tails as you toss. What were the number of heads after: 10 tosses? 50 tosses? 100 to
Otrada [13]

Answer:

10 tosses: 3 heads 7 tails

50 tosses: 27 heads 23 tails

100 tosses: 49 heads 51 tails

200 tosses: 118 heads 82 tails

4 0
3 years ago
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