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Veseljchak [2.6K]
3 years ago
10

Amy began with $25 in her bank account and spend

Mathematics
1 answer:
never [62]3 years ago
5 0

Answer:

y=-5x+25

The graph in the attached figure

Step-by-step explanation:

Let

x ----> the number of days

y ----> the amount of money in  her bank account

we know that

The equation of the line in slope intercept form is equal to

y=mx+b

where

m is the slope or rate

b is the y-intercept or initial value

In this problem we have

The slope is equal to

m=-5\ \$/day ----> is negative because is a decreasing function

b=\$25 ----> initial amount in the account bank

substitute

y=-5x+25

see the attached figure to better understand the problem

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Find the prime factorizations foor the following numbers 36 and 84
Varvara68 [4.7K]
Answer:

36 = 2² * 3²
84 = 2² * 3 * 7


Explanation:

Pf of 36 = 2 * 2 * 3 * 3 which then becomes 2 (to the power of 2) times 3 (to the power of 2)

Pf of 84 = 2 * 2 * 3 * 7 which then becomes 2 (to the power of 2) * 3 * 7

If this helps it would be greatly appreciated if you thanked me.
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3 years ago
How to find the maximum or minimum value of a quadratic function?
kipiarov [429]

Answer:

Vertex form

Step-by-step explanation:

You convert to  vertex form  a(x - b)^2 + c . The coordinates of the maxm/minm will be (b, c).

For example find minimum value of  x^2 + 5x - 6:-

x^2 + 5x - 6

=  (x + 2.5)^2 - 6.25 - 6

= (x + 2.5)^2 - 12.25

The coordinates of minimumm will be (-2.5, -12.25)  The values of the minimum of the function is -12.25

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3 years ago
4a - 7 < 2a + 1 (solve it)
liberstina [14]
This is answer and work if you need it. It gets easier as you learn how to do it. your welcome homie

3 0
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Make the equation 28 x 1/7 = 4 into a division equation<br> PLEASE ANSWER FAST!!!!
Minchanka [31]
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7 0
3 years ago
Which expression is equivalent to (3b 2r) (4b r)? 7b 2r 7b 3r 12b 2r 12b 3r.
Maslowich

To add the variables, add the coefficients with same variable. The expression which is equivalent to given expression is 7b+3r. The option 2 is the correct option.

<h3>What is equivalent expression?</h3>

Equivalent expression are the expression whose result is equal to the original expression, but the way of representation is different.

Given information-

The expression given in the problem is,

(3b+2r)+(4b+r)

Let the resultant expression of the above expression is x. thus,

x=(3b+2r)+(4b+r)

To add the algebraic terms open the brackets first,

x=3b+2r+4b+r

Separate the same variable terms,

x=3b+4b+2r+r

To add the variables, add the coefficients with same variable. Thus,

x=7b+3r

Hence, the expression which is equivalent to given expression is 7b+3r. The option 2 is the correct option.

Learn more about the equivalent expression here;

brainly.com/question/2972832

4 0
2 years ago
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