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2 years ago

Choose the equation for the situation "a fraction f multiplied by 13 equals 29". A. 1f⋅13=29 B. 3f=29 C. (f3⋅13)=29 D. 13f=29

Mathematics

1 answer:

Delicious77 [7]2 years ago

7 0

Answer:

13f=29

Step-by-step explanation:

I hope this helps you out!

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F(x) =5x^2-20x+3 how to find minimum

Leya [2.2K]

Answer:

(2,-17) should be the minimum.

Step-by-step explanation:

The minimum of a quadratic function occurs at $x=-\frac{b}{2a}$ . If a is positive, the minimum value of the function is $f(-\frac{b}{2a})$

$f_{min}x=ax^2+bx+c$ occurs at $x=-\frac{b}{2a}$

Find the value of $x=-\frac{b}{2a}$

x = 2

evaluate f(2).

replace the variable x with 2 in the expression.

$f(2)=5(2)^2-20(2)+3$

simplify the result.

$f(2)=5(4)-20(2)+3$

$f(2)=20-40+3$

$f(2)=-17$

The final answer is -17

Use the x and y values to find where the minimum occurs.

HOPE THIS HELPS!

3 0

3 years ago

Anybody good at math?

Lerok [7]

Yup! We're all pretty good here. :)

8 0

3 years ago

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

F(x) = x^3 + 3x^2<br><br> What would the graph look like?

lapo4ka [179]

Answer: the answer is in the attachment.

5 0

2 years ago

Read 2 more answers

susan surveys 20 people in her math class to find out the most popular movie. 5 students say star wars if the are 200 students i

Eva8 [605]

5 out of 20 like Star Wars so what value (x) should like Star Wars out of 200. Set up a proportion comparing the two.

x= # of people in 7th gr who like Star Wars

5/20= x/200
cross multiply

(5*200)= (20*x)
1000= 20x
divide both sides by 20

50= x

ANSWER: 50 people in the 7th grade should like Star Wars.

Hope this helps! :)

8 0

3 years ago

Read 2 more answers