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2 years ago

How do you times x times a plus b

Mathematics

1 answer:

marta [7]2 years ago

7 0

Answer:

times *times +B

Step-by-step explanation:

ur question is not so clwar

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A population of mice is increasing exponentially. On Monday there were 120 most. One month later there were 132 most. Ready func

djyliett [7]

Answer:

$y=120 * 1.1^x$ --- function

The monthly rate is 10%

Step-by-step explanation:

Given

Let

$x \to months$

$y \to mice$

So, we have:

$(x_1,y_1) = (0,120)$ --- Monday

$(x_2,y_2) = (1,132)$ --- One month later

Required

The function

The function is represented as:

$y=ab^x$

In $(x_1,y_1) = (0,120)$ , we have:

$120 = a * b^0$

$120 = a * 1$

$120 = a$

$a=120$

In $(x_2,y_2) = (1,132)$ , we have:

$132 = a * b^1$

$132 = a * b$

Substitute: $a=120$

$132 = 120 * b$

Solve for b

$b = \frac{132}{120}$

$b = 1.1$

So, the function is:

$y=ab^x$

$y=120 * 1.1^x$

To calculate the monthly rate (r), we have:

$y =a(1 + r)^x$

Compare to: $y =ab^x$

$1 + r = b$

Make r the subject

$r = b-1$

Substitute $b = 1.1$

$r = 1.1-1$

$r = 0.1$

Express as percentage

$r = 0.1*100\%$

$r = 10\%$

5 0

2 years ago

A student wrote the following on his math homework assignment:

ch4aika [34]

Instead of using PEMDAS or the Order of Operations, the student went ahead and solved the equation as though it were written 6 * 12 - 8.

The correct way to solve would be to first solve the parentheses. 12 - 8 is equal to 4. 4 times 6 is 24, giving us an answer of 24.

3 0

2 years ago

What is the value of k in the equation 4\3 (k+4\7)=3 1\3?

irina1246 [14]

The answer to the value of K in the equation = to k=201/28 = 7.179
Hope this helps

7 0

2 years ago

Louis has $300 to spend on a pair of skis. Sales tax is 8.5%

Marina86 [1]

Answer:They are all Less Than

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

PLEASE HELP ASAP!!!!!!!

love history [14]

Answer:

(a) Because it is an exterior angle

(b) The measure of angle 2 is 72°

Step-by-step explanation:

Angle 2 is an exterior angle because it is adjacent to the interior angle 1, and an exterior angle is equal to the sum of the measures of the two nonadjacent interior angles:

<2=30°+42°

<2=72°

8 0

3 years ago