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storchak [24]
4 years ago
8

Write the sentence as an equation. Let the variable x represent the number.

Mathematics
1 answer:
jeka57 [31]4 years ago
4 0

Answer:

7 * x = 21   x= 3

Step-by-step explanation:

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A baker paid $15.05 for flour at a store that sells flour for $0.86 per pound.How many pounds of flour did the baker buy
Wittaler [7]

Answer:

17.5 pounds

Step-by-step explanation:

\frac{15.05}{0.86} = 17.5

Hence, the baker buy 17.5 pounds of flour.

5 0
2 years ago
 If triangle ABC is isosceles, what is the value of ∠A?<br> 
Delvig [45]
×+102=180
-102=-102
×78


4 0
3 years ago
Help with this math equation please help
Alex787 [66]

Answer:

i. Girls : 10 merits

ii. Boys : 11.4 merits

iii. The boys did better on average because the number of their mean merits received is higher than that girls.

Step-by-step explanation:

Mean = \frac{sum of merits}{number of merits}

Sum of merits received by boys = 5 + 10 + 19 + 22 + 13 + 10 + 1

                                    = 80

number of merits = 7

Mean number of merits received by boys = \frac{80}{7}

                                           = 11.4286

The mean number of merits received by boys is 11.4

Sum of merits received by girls = 6 + 11 + 15 + 16 + 12 + 10 + 0

                                                 = 70

number of merits = 7

Mean number of merits received by girls = \frac{70}{7}

                                             = 10.0

The mean number of merits received by girls is 10.0

Therefore,

i. Girls : 10 merits

ii. Boys : 11.4 merits

iii. The boys did better on average because their mean merits is higher than that girls.

4 0
3 years ago
Students took a typing test. The number of words per minute students could type are listed below. 43, 50, 28, 35, 51, 58, 36, 59
pickupchik [31]
Answer: 43

To get the answer to this question you have to place the numbers form least to greatest and you can cross off numbers on each end until you reach the middle in this case the middle number is 43 so that’s your median
8 0
3 years ago
Can an expert help with this
Olegator [25]

Jasmine sells bracelet for "b" to a shop

The shop adds £6.20 to "b" and then sells it at that price.  Therefore, the store's profit is £6.20 every time they sell one bracelet.

If the shop makes 80% profit on each bracelet, that means the £6.20 is 80% of the expense they incurred when they buy the bracelet off of Jasmine, in other words, 80% of "b".

So:

6.20 = .8b

b = £7.75

PART B:

Jasmine has 7 1/2 hours or 450 minutes to finish her duties for the fashion show.

For 15 necklaces that require 24 minutes each, that is a total of 15x24 = 360 minutes total to build the necklaces.

The show is 40 miles away. We assume she will travel the maximum 50 mph. So it will take her 40/50 hour or 4/5 hour or 48 minutes to get there.

She also allows 30 minutes for breaks.  I'm not sure what this means, but I'm guessing she wants a 30 minute break somewhere in her day so she can get some rest.  So we will include the 30 minutes as a requirement.

Therefore, it will take Jasmine 360 + 48 + 30 = 438 minutes in total.

She has 450 minutes available, thus she will be 450-438 = 12 minutes under the deadline.

7 0
3 years ago
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