3 years ago

PLZ HELP! I WILL GIVE BRAINLIEST AND FIVE STAR AND THANKS TO ANSWERS thank u have a great day!

Mathematics

2 answers:

ozzi3 years ago

5 0

Answer:

Step-by-step explanation:

Tatiana [17]3 years ago

3 0

Here is how to do the problem step by step
Have a great day

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denis23 [38]

Answer:

78.75

Step-by-step explanation:

450 is increased by 75%

450 + 450*75%

Change to decimal form

450 +450*.75

450+337.5

787.5

Now decrease by 90%

787.5-787.5*90%

Change to decimal form

787.5-787.5*.9

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and you graph it from -4 to the right with close circle

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Quinzel and Joseph sell shoes. Last month Quinzel sold 18 less pairs

hichkok12 [17]

Answer:

Quinzel sold 17 pairs of shoes last month.

Step-by-step explanation:

Let be "Q" the number of pairs of shoes Quinzel sold last month and "J" the number of pairs of shoes Joseph sold last month.

Set up a system of equations:

$\left \{ {{Q=J-18} \atop {Q+J=52} \right.$

Solve for "J" from the first equation:

$J=Q+18$

Applying the Substitution Method, you get:

$Q+J=52\\\\Q+(Q+18)=52\\\\2Q=52-18\\\\Q=\frac{34}{2} \\\\Q=17$

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Step-by-step explanation:

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