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zalisa [80]
2 years ago
7

A bag of flour weighs 5 lb. 5/7 lb of flour was used to make bread. How many

Mathematics
1 answer:
Natalka [10]2 years ago
7 0

Answer:

Step-by-step explanation:

5/1 - 5/7

35/7 - 5/7

= 30/7 = 4 2/7 lb

Multiply the denominators, 7 by 5,and 1 by 7. When you have the same denominator in each fraction you can subtract. (7x4= 28, 30-28= 2)

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A recent survey was conducted to compare the cost of solar energy to the cost of gas or electric energy. Results of the survey r
Mariana [72]

Answer:

c) at most 11.1%

Step-by-step explanation:

We have the data that is 97 ± 12, with 97 being the mean and 12 the standard deviation.

Now, the percentage of people who reached them for less than 73 dollars, if it were a normal distribution:

z = (73 - 97) / 12 = - 2

so it would be, a probability of 0.0228 or 0.228%.

But we don't know what distribution it has, but we can get an idea.

A and D discarded, as they are very high values, and 73 is well below the average.

B) is still a very high value.

Therefore the answer is C, at most 11.1%

4 0
3 years ago
Jessica makes overtime pay when she works more than 40 hours in a week. So far this week she has worked 29 hours. She will conti
Ray Of Light [21]

Answer:11 more hours

Step-by-step explanation:

7 0
3 years ago
Help me please help me thank you
kow [346]

Answer: 110, 35, 70, G, J, F, E, B, A, H, C, D, I

Step-by-step explanation:

8. For number 8, you will be using the exterior angle theorem. The exterior angle theorem states that the exterior angle equals the two angles inside the given triangle. Since we have 50 and 60, you will add 50 + 60 to get 110.

9. In this problem, you shall use the vertical angle theorem. The vertical angle theorem is simply that any angles vertical from one another are congruent. So a will be also 35 degrees.

10. This is an image depicting two lines cut by a transversal, creating multiple congruent angles. With this, you will be using the alternate interior angle theorem. Alternate interior angles are angles on different sides of the transversal but inside both of the lines that were cut into, as shown above. So,  b will also equal 70 degrees.

Part B:

1. G

2. J

3. F

4. E

5. B

6. A

7. H

8. C

9. D

10. I

8 0
2 years ago
Read 2 more answers
Please help please help
Romashka [77]

Step-by-step explanation:

\frac{-x^{2}+9}{x+3} \\ \\ \frac{-(x^{2}-9)}{x+3} \\ \\ \frac{-(x-3)(x+3)}{x+3} \\ \\ -x(x-3)

4 0
2 years ago
I dont know how to do this...<br>I need #48
agasfer [191]
Just switch the x and the 3
8 0
3 years ago
Read 2 more answers
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