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bonufazy [111]
3 years ago
13

Selena bought 3.75 lb of meat for $4.64 per pound what is the total cost of the meat

Mathematics
2 answers:
miv72 [106K]3 years ago
8 0
$17.40 Multiply the weight by how much it costs.
leonid [27]3 years ago
5 0

Answer:

$17.40

Step-by-step explanation:

Selena bought 3.75 pounds of meat.

The cost of meat of one pound = $4.64

The total cost of the meat = 4.64 × 3.75

                                           = $17.40

The total cost of 3.75 lb of meat was $17.40.

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Chris is reading a book that has nine-hundred seventy-eight pages in it. Every night
GaryK [48]

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Answer:

  Every night

Step-by-step explanation:

The problem statement tells you ...

  "Every night Chris reads a number of pages that can be rounded to the nearest hundred."

Then it asks you ...

  "On what nights does Chris read a number of pages that can be rounded to the nearest hundred?"

If we take the problem statement at face value, the answer must be ...

  "Every night."

7 0
2 years ago
What is the sum of the first ten terms of the sequence 4, -12, 36, -144 ...?
frez [133]

Answer:

−19810916

Step-by-step explanation:

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7 0
3 years ago
Can someone help me please?
jarptica [38.1K]

Answer: Circumcenter

Step-by-step explanation: The circumcenter is the point where all perpendicular bisectors of a triangle meet. The 3 perpendicular bisectors of the 3 sides of the triangle meet at the point which is labeled in this triangle as H.

3 0
2 years ago
Which of the following numbers are greater than or equal to 4/7<br> A. 2/5<br> B. 0.57<br> C. 2/3
Bumek [7]

Answer:

B.

Step-by-step explanation:

If you were to divide 4 by 7, you would get a decimal that would be rounded up to that value. 2/3 is roughly .66 and 2/5 is .4.

6 0
3 years ago
If x+y = 1, and x^2 + y^2 = -1, what is x^7 + y^13?<br> 1) 0<br> 2) 1<br> 3) -2<br> 4) 2<br> 5) -1
damaskus [11]

Solve for <em>x</em> and <em>y</em> :

<em>x</em> + <em>y</em> = 1   →   <em>y</em> = 1 - <em>x</em>

<em>x</em> ² + <em>y</em> ² = -1

<em>x</em> ² + (1 - <em>x</em>)² = -1

<em>x</em> ² + (1 - 2<em>x</em> + <em>x</em> ²) = -1

2<em>x</em> ² - 2<em>x</em> + 1 = -1

2<em>x</em> ² - 2<em>x</em> + 2 = 0

<em>x</em> ² - <em>x</em> + 1 = 0

<em>x</em> ² - <em>x</em> + 1/4 = -3/4

(<em>x</em> - 1/2)² = -3/4

<em>x</em> - 1/2 = ±√(-3/4)

<em>x</em> - 1/2 = ±√3/2 <em>i</em>

<em>x</em> = 1/2 ± √3/2 <em>i</em>   →   <em>x</em> = exp(± <em>iπ</em>/3)

<em>y</em> = 1 - (1/2 ± √3/2 <em>i</em> )   →   <em>y</em> = -1/2 ± √3/2 <em>i</em>   →   <em>y</em> = exp(± 2<em>iπ</em>/3)

Then

<em>x </em>⁷ + <em>y </em>¹³ = exp(± 7<em>iπ</em>/3) + exp(± 26<em>iπ</em>/3)

… = exp(± <em>iπ</em>/3) + exp(± 2<em>iπ</em>/3)

since 7<em>π</em>/3 is equivalent to <em>π</em>/3, and 26<em>π</em>/3 is equivalent to 2<em>π</em>/3 (both modulo 2<em>π</em>).

In either case, we get

<em>x </em>⁷ + <em>y </em>¹³ = <em>x</em> + <em>y</em> = 1

so the answer is (2) 1.

8 0
3 years ago
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