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irinina [24]
3 years ago
11

The table below shows the price of rolls at a bakery. A baker’s dozen includes 13 rolls for the price of a dozen rolls. How much

money is saved by buying a baker’s dozen instead of 13 individual rolls? Number of rolls 6 8 Baker’s dozen Price ($) $3.60 $4.80 $7.20
Mathematics
2 answers:
Shtirlitz [24]3 years ago
8 0

Answer:

One will save $.0.60 with baker’s dozen option.

Step-by-step explanation:

Number of rolls: 6                8                Baker’s dozen

Price ($):            $3.60        $4.80            $7.20

At $3.60, we have 6 rolls, so per roll cost is = \frac{3.60}{6} = $0.60

At $4.80, we have 8 rolls, so per roll cost is = \frac{4.80}{8} = $0.60

Now, a baker’s dozen includes 13 rolls for the price of a dozen rolls.

This means, instead of 12 rolls you will get 13 rolls at $0.60 per roll.

Hence, one will save $.0.60 with baker’s dozen option.

marysya [2.9K]3 years ago
7 0

The rolls are $3.60 for 6 rolls, or $0.60 each, so saving the cost of the 13th roll saves you $0.60.

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Find the measure of each angle. Assume the lines are parallel, I dont have a protractor small enough to do this job.
Sholpan [36]

Answer:

All angles are 113 or 67. See below for each angle measure.

Step-by-step explanation:

Parallel lines cut by a transversal have several angle relationships which can be used to find an unknown angle measure:

• Alternate Interior Angles are angles across the transversal between pairs of parallel lines. These angles are congruent. Example: 8 and 4 are congruent and are pairs of alternate interior angles. 7 and 3 are another set.

• Alternate Exterior Angles are angles across the transversal outside of the parallel lines. These angles are congruent. Example 1 & 5 are congruent alternate exterior angles. 2 and 6 are another set.

• Supplementary angles are angles which form a line and add to 180. If angle 1 + angle 2 = 180 and angle 1 = 113, then 113 + Angle 2 =180. Angle 2 must be 67 degrees.

• Vertical angles are angles across a vertex. They are congruent. Example: Angle 2 and Angle 8 are both 67.

Using these relationships, the following angles have the following measures:

Angle 1 = 113

Angle 2 = 67

Angle 3 = 113

Angle 4 = 567

Angle 5 =113

Angle 6 = 67

Angle 7 = 113

Angle 8 = 67


4 0
3 years ago
Banneker Middle School has 750 students. Lynn surveys a random sample of 50 students and finds that 27 of them have pet dogs. Ho
Alika [10]

Answer: 405 students

Step-by-step explanation:

From the question, Banneker Middle School has 750 students and we are told that Lynn surveys a random sample of 50 students and finds that 27 have pet dogs. The number of students at the school that are likely to have pet dogs goes thus:

Since out of 50 students surveyed, 27 have pet dogs, this means we multiply the fraction by 750. This can be mathematically written as:

= 27/50 × 750

= 27 × 15

= 405

This means 405 students are expecting to have pet dogs.

3 0
3 years ago
The necklace charm shown has two parts, each shaped like a trapezoid with identical dimensions. What is the total area, in squar
pashok25 [27]
The area of the trapezoid can be calculated through the equation, 
                               A = (b₁ + b₂)h / 2
where b₁ and b₂ are the bases and h is the height. Substituting the known values from the given, 
                              A = (25mm + 32mm)(15 mm) / 2 
                               A = 427.5 mm²
Since there are two trapezoids in the necklace, the area calculated is to be multiplied by two to get the total area. 
                        total area = (427.5 mm²)(2) 
                        <em>total area = 855 mm²</em>
3 0
3 years ago
Read 2 more answers
What is 40% of 80 i need help
kotegsom [21]

Answer: = 32

Step-by-step explanation:

40 x 80 / 100 = 32  

4 0
2 years ago
Ricardo has agreed to tutor for the school. He owes his older brother $59 and would like to end the summer with at least $400 in
Dvinal [7]

Answer:

44 or 45

Step-by-step explanation:

400 divided by nine

5 0
2 years ago
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