Emanuel has 745 pictures in his phone. his memory is getting full so he starts deleting 20 pictures every day. define each variable and write an algebraic expression to describe the number of pictures left on his phone after any given number of days.

Step-by-step explanation:

Let d represent number of days.

We have been given that Emanuel starts deleting 20 pictures every day. The number of pictures deleted in d days will be .

We have been given that Emanuel has 745 pictures in his phone. The number of pictures left after d days would be initial number of pictures minus number of pictures deleted in d days.

Therefore, the expression represents number of pictures left on Emanuel's phone after any given number of days.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: