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3 years ago

11/16 + 10/12 + 6/8 =

Mathematics

1 answer:

Helen [10]3 years ago

5 0

Answer:

2 13/48 or 109/48

Step-by-step explanation:

Find the least common denominator

16 * 3 = 48

12 * 4 = 48

8 * 6 = 48

Convert all fractions into the common denominator of 48

33/48 + 40/48 + 36/48

Add

109/48

Simplify

2 13/48

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25 points. What is the value of this expression? 1/4^-3

Inga [223]

Answer:

Step-by-step explanation:

A negative exponent means we first calculate the exponent, then we take the reciprocal.

The first step is to calculate $(\frac{1}{4})^3$ . This is equal to $\frac{1*1*1}{4*4*4}=\frac{1}{64}$ . Then, we take the reciprocal. The answer is 64.

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3 years ago

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Can someone help with this Algebra? pls will mark Brainlist -7x -3x + 2 =8x -8

OLga [1]

Answer:

x=0.55

Step-by-step explanation:

-7x -3x + 2 =8x -8

-10x+2=8x-8

2+8=8x+10x

10=18x

10/18=x

x=0.55

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3 years ago

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Sammy served food to a group at a restaurant. The total cost of the food was $62.00. The sales tax is 6% of the cost of food. Th

alex41 [277]

Total cost = 62 + (6% of 62) + (20% of 62)

- Find 6% of 62:
1% = 62 / 100 = 0.62
0.62 x 6 = 3.72

- Find 20% of 62:
10% = 6.2
6.2 x 2 = 12.4

Add everything together:
62 + 12.4 + 3.72 = 78.12

The total cost was $78.12

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3 years ago

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A store in Minnesota advertises that on a holiday, everything is 20% off. A person buys shoes for $40 and socks for $10. In Minn

posledela

The final price is $ 40

Solution:

A store in Minnesota advertises that on a holiday, everything is 20% off

Discount = 20 %

A person buys shoes for $40 and socks for $10

Therefore, Total price before discount is given as:

Total price = 40 + 10 = 50

Therefore,

Total price before discount = $ 50

Discount = 20 %

Therefore, discount price is 20 % of 50

$Discount\ price = 20 \% \times 50\\\\Discount\ price = \frac{20}{100} \times 50\\\\Discount\ price = 10$

Thus the discount price is $ 10

Final price is given as:

Final price = Total price before discount - discount price

Final price = 50 - 10 = 40

Thus the final price is $ 40

3 0

3 years ago

find the exact atea under y=x^2 on the interval [0,2] by using an infinite number of circumscribed rectangles. (Hint: 1^2 + 2^2

sergeinik [125]

Answer: $\bold{\dfrac{8}{3}}$

Step-by-step explanation:

$\int\limits^2_0 {x^2} \, dx =\dfrac{x^3}{3}\bigg|^2_0=\bigg(\dfrac{2^3}{3}\bigg)-\bigg(\dfrac{0^3}{3}\bigg)=\dfrac{8}{3}-0=\dfrac{8}{3}$

NOTE: Neither the Trapezoidal Rule or Reimann Sums can be used without the number of rectangles (n) you are separating the interval into. Besides, they only provide an estimate. If you want the EXACT area, you must use integration.

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3 years ago

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