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Elan Coil [88]
3 years ago
11

A 3-pound package of ground beef is $7.80. A 1/2-pound package is $1.28. What is the difference in the cost per pound between th

e larger and smaller packages of beef?
Please have an explanation.
Mathematics
1 answer:
IRINA_888 [86]3 years ago
4 0

Answer:

$0.04/lb

Step-by-step explanation:

Cost per lb for the 3 lb package is $7.80/(3 lb), or $2.60/lb)

Cost per lb for the 1/2-lb package is $1.28 / [(1/2) lb], or $2.56.

The difference in cost per pound is $2.60 - $2.56, or $0.04/lb

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8 0
3 years ago
What is the volume of the square pyramid with base edges 4 m and height 3 m
olya-2409 [2.1K]

16 m³

Step-by-step explanation:

Step 1:

Here we are going to find the volume of square pyramid.

Volume of square pyramid = (1/3) × (Base)^{2} × (Height)

Here base = 4 m

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Step 2:

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5 0
3 years ago
Does anyone know how to do this (#2) PLZZZZ HELPPPPPPPP
timurjin [86]

Answer:

a.- slope= 36

Interpretation : The cable car travels 36 meter per minute

b.- y = 36x + 100

c.- 640 meters

Step-by-step explanation:

a.-

Find slope using the slope formula : \frac{y2-y1}{x2-x1}

Plug in the two given points: \frac{1000-100}{25-0}

Subtract the numbers : \frac{900}{25}

Reduce the fraction : 36

b.-

Using the given y-interspet (100) and the slope create an equation: y = 36x + 100

c.-

Using the equation you created plug in 15 for x to find the

distance: y = 36 (15) + 100

Multiply the numbers : y = 540 + 100

Add the numbers : y = 640

8 0
3 years ago
What is the answer A, B, C, or D
adell [148]

The answer would have to be

D


7 0
3 years ago
Evaluate 4a + 7b + 3a − 2b for a = 5 and b = −3.
blsea [12.9K]

Answer:

<h2>20</h2>

Step-by-step explanation:

4a+7b+3a-2b\qquad\text{combine like terms}\\\\=(4a+3a)+(7b-2b)\\\\=7a+5b\qquad\text{put a = 5 and b = -3 to the expression}\\\\7(5)+5(-3)=35-15=20

5 0
3 years ago
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