Sam solved the following problem: -4x + 5 > 29 -4x + 5 - 5 > 29 - 5 -4x > -24 -4x/-4 > -24/-4 x > 6 what were his two mistakes?

 Sam made it -24 versus 24  (29-5=24  not -24)

(Sam failed to flip the inequality)

Step-by-step explanation:

-4x + 5 > 29

Subtract 5 from each side

-4x+5-5 > 29-5

-4x > 24      Sam made it -24 versus 24  (29-5=24  not -24)

Divide by -4  Remember to flip the inequality

-4x/-4 < 24/-4   (Sam failed to flip the inequality)

x < -6

Sam subtracted wrong. it should be 29 - 5 = 24, not - 24.

When dividing by a negative, in an inequality, you must flip the sign. Sam did not flip his sign when dividing by -4.

Step-by-step explanation:

the answer should be x < -6

step-by-step explanation:

answers available in this download

(pearson%2c%25202012)%2520bbs.pdf& usg=aovvaw1obmtxnfghfgxhx0urh_je

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6