PLZZZ HELPPPPPPPPPPPPPPPPP there is a pizza party and there is 14 pizzas. If someone eats 5 and 1/8 pizzas how many are left

Mathematics

1 answer:

sveticcg [70]3 years ago

7 0

Answer:

bsbskskndbsksne dbandn fbsjzbrbxbsbebfbznqnfkfjjejw

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1) Omar has scored 85, 71, and 77 on the first three exams in his math class. If the standard 70,80,90 scale is used for grades

Rus_ich [418]

Answer:

a. 47

b. 87

c. 127

Step-by-step explanation:

Assume a total of 4 exams ( first 3 plus a final)

Let final score be X,

Hence, average score = (85 + 71 + 77 + x) / 4 = (233 + x) / 4

a) to get a C, the average score must be 70

70 = (233 + x) / 4

(233 + x) = 70 (4) = 280

x = 280 - 233 = 47 (Ans)

b) to get a B, the average score must be 80

80 = (233 + x) / 4

(233 + x) = 80 (4) = 320

x = 320 - 233 = 87 (Ans)

c) to get a A, the average score must be 90

90 = (233 + x) / 4

(233 + x) = 90 (4) = 360

x = 360 - 233 = 127 (Ans)

6 0

3 years ago

Pete sells a Party Pleaser pizza. He uses 12 oz of cheddar cheese and twice that amount of mozzarella cheese. How much cheese do

lisov135 [29]

Answer:

36oz

Step-by-step explanation:

12x2=24

24+12=36

4 0

3 years ago

Write the expression without the fraction bar.

kirill115 [55]

For problems like this you can move the y's on the bottem up top by fliping the sign of the exponent (in this case 7 to -7) and MULTIPLYING it with EVERYTHING on top, then because of properties of multplication you can add the exponents to combine them into one term (in this case add 3 and -7 to get -4) $\frac{ y^{3} }{y^{7}}=y^3 *y^{-7} = y^{3+-7}=y^{3-7}=y^-4$ If any of this does not make sense let me know and ill try to clarify better