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3 years ago

Steve purchases mushrooms at the grocery

Mathematics

2 answers:

beks73 [17]3 years ago

5 0

Answer:

$20.00

Step-by-step explanation:

Multiply $2.50 by 5 to get the grand total of $12.50. Then, add the change he was given back to get the amount that was paid. 12.50 + 7.50 = $20.00

disa [49]3 years ago

4 0

He gave 20$ hope this helped! BRANLIEST plz

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Austin's office is 360 square feet. Calculate the area of his office in square yards.

Marta_Voda [28]

It would be 40 Because there are 9 square feet is equal to 1 square yard

4 0

3 years ago

Four whole nuber are each rounded to the nearest 10 the sum of the four rounded numbers is 90 what is the possible maximum sum o

bearhunter [10]

Answer:

$106$

Step-by-step explanation:

Let's try guessing...

$45+45=90\\30+30+30=90\\10+20+30+30=90$

All the units place has to be 4, if it is higher than 4 then the answer will not be 90 (the sum of the four rounded numbers).

$14 + 24 + 34 + 34= 106$

3 0

3 years ago

In a running competition, a bronze, silver and gold medal must be given to the top three girls and top three boys. If 15 boys an

denis-greek [22]

Answer:

There are a total of possible 1820 results.

Step-by-step explanation:

Since there are two competitions, one for boys and one for girls, and we want all the possible results we will calculate the possible combinations for the boys and multiply them by the possible combinations for the girls. This is shown below:

$Boys = \frac{15!}{3!(15 - 3)!} = \frac{15!}{3!12!} = \frac{15*14*13*12!}{3!12!}\\Boys = \frac{15*14*13}{3*2*1}\\Boys = \frac{15*14*13}{3*2*1}\\Boys = 455$

$Girls = \frac{4!}{3!*(4 - 3)!}\\Girls = \frac{4*3!}{3!}\\Girls = 4$

Total number of possible results:

$results = 4*455\\results = 1820$

3 0

3 years ago

A certain test is worth 125 points. How many point are needed to obtain a score of 85%

aksik [14]

Answer:

106

Step-by-step explanation:

85% of 125 is 106 so therefore you would need to answer 106 correct.

4 0

2 years ago

Solve using the quadratic formula. Approximate answers to the nearest tenth.<br> Help

Pepsi [2]

Answer:

x = 2.4 or x = 0.3

Step-by-step explanation:

3x² - 8x + 2 = 0

Quadratic formula

x = {-b ±√b² - 4ac} / 2a

a = 3

b = -8

c = 2

x = {-b ±√b² - 4ac} / 2a

= {-(-8) ±√(-8)² - 4*3*2} / 2*3

= (8 ± √64 - 24) / 6

= (8 ± √40) / 6

= (8 ± 2√10) / 6

= 8/6 ± 2√10/6

= 4/3 ± √10 / 6

x = 4/3 + √10 / 6 or 4/3 - √10 / 6

x = 2.4 or x = 0.3

6 0

3 years ago