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Mathematics 15 Online
OpenStudy (anonymous):

help me please will medal and fan!!!!

OpenStudy (anonymous):

sure

OpenStudy (anonymous):

Question 1 (Multiple Choice Worth 5 points) When solving negative one over five (x − 25) = 7, what is the correct sequence of operations? Multiply each side by negative one over five , add 25 to each side Multiply each side by 5, subtract 25 from each side Multiply each side by negative one over five , subtract 25 from each side Multiply each side by −5, add 25 to each side Question 2 (Multiple Choice Worth 5 points) Solve for x: 5x + 15 = 28 forty-three over five thirteen over five 13 43 Question 3 (Multiple Choice Worth 5 points) Solve for x: one over four (4x + 15) = 24 49 two hundred seven over four eighty one over four 9 Question 4 (Multiple Choice Worth 5 points) Malloy solved the equation −5x − 16 = 8; his work is shown below. Identify the error and where it was made. −5x − 16 = 8 Step 1: −5x − 16 + 16 = 8 + 16 Step 2: −5x = 24 Step 3: negative five times x over five = twenty-four over five Step 4: x = twenty-four over five Step 1: He should have subtracted 16 from each side. Step 1: He should have divided both sides by −5. Step 3: He should have multiplied both sides by −5. Step 3: He should have divided both sides by −5.

OpenStudy (anonymous):

please give just the answers i cant figure it out and i have done it way too many times and i am stumped

OpenStudy (dayakar):

1)a

OpenStudy (dayakar):

2)b

OpenStudy (dayakar):

3)eightyone over four

OpenStudy (dayakar):

4) step 3 error is he should multiplied bothsides by -5 correct : he should divide both sides by -5

OpenStudy (dayakar):

is it clear

OpenStudy (anonymous):

ok thx sooo much

OpenStudy (dayakar):

any more

OpenStudy (anonymous):

no i only got 50%

OpenStudy (anonymous):

2 and 3 were right

OpenStudy (dayakar):

what about 1 and 4 are u trying

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