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padilas [110]
3 years ago
5

(1/4)^-2 - (5^0) • 1^-1 =

Mathematics
1 answer:
katrin [286]3 years ago
8 0

Answer:

15

Step-by-step explanation:

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Six yards of rope costs $5.50 while four yards costs $4.75
Amiraneli [1.4K]

The best option is the first one (Six yards of rope costs $5.50). It is the lowest unit cost.

<u>Step-by-step explanation:</u>

For the given question case, first we should compare the unit costs of the choices provided and evaluate the best option.

Choice 1:

Six yards of rope costs $ 5.50

            \frac{5.50 \text { dollar}}{6 \text { yard }}=0.9167\ dollar/yard

Choice 2:

Four yards costs $ 4.75

           \frac{4.75 \text { dollar}}{4 \text { yard }}=1.1875\ dollar/yard

Thus, the best choice is the first one. Because it is the lowest unit cost.

3 0
3 years ago
Give an equality that represents the phrase the sum 1 and y is greater than or equal to 9.
raketka [301]
That would be 1+y≥9

the one and the y go on one side and the nine on the other
4 0
3 years ago
None of my answers work on this? Either somethings not right or what..
Pavel [41]
Answer is below this comment :D

8 0
2 years ago
What is the area of the semi circle if the diameter is 10 cm
Fudgin [204]

Answer:

39.25 cm

Step-by-step explanation:

The formula for a circle is pi x radius x radius.

So to get the radius, you multiply 10 and 1/2.  You should get 5.  Then you multiply 5 by 5.  You should get 25.

Then you multiply 3.14 and 25.  You should get 78.5.

The last step is to divide 2 by 78.5. You should get 39.25

3 0
3 years ago
Read 2 more answers
Graph. y&lt;-x-2<br> y2-5x+2
andrew-mc [135]

Answer:

y < -6x/5 + 2/5

Step-by-step explanation:

Hope this helps have a good day

7 0
3 years ago
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