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barxatty [35]
3 years ago
6

Help with all of the math questions please I dont understand and there is more questions

Mathematics
1 answer:
Pie3 years ago
3 0
21. Smith received 60% of the votes
       Murphy received 1/3 or 33%
      100% - (60% + 33%) = 100 - 93 = 7%......so where is the other 7% of the votes. The vote total should equal 100%

22. Food : 500/2000 reduces to 1/4......or 25%......or 0.25
      Rent : 1200/2000 reduces to 3/5....or 60% ...or 0.6
      Transportation : 300/2000 reduces to 3/20...or 15%..or 0.15

23. sum of the rows:
      Food + rent + trans = 1/4 + 3/5 + 3/20 = 5/20 + 12/20 + 3/20 = 20/20 = 1
      Food + rent + trans = 25% + 60% + 15% = 100%
      Food + rent + trans = 0.25 + 0.6 + 0.15 = 1
      The sums should all equal because the percent, decimals, and fractions are all the same, just in a different form

24. 14.5% = 0.145 = 145/1000 = 29/200
       14.5 = 14.5 = 14 1/2 = 29/2
14.5% is less then 1
14.5 is greater then 1
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A jeweler is selling bracelets at an art convention. it costs $135 to obtain a booth at the convention. the cost to make a singl
tangare [24]

Answer:

(a) Loss from selling 15 necklaces

(b) b > 18

Step-by-step explanation:

<em>The question has missing details. (See the comment section for missing details)</em>

Given

12b > 135 + 4.50b

Solving (a): Will she make a profit from 15 necklaces

To do this, we substitute 15 for b in 12b > 135 + 4.50b

12 * 15 > 135 + 4.50 * 15

180 > 202.5

The inequality is not true.

<em>Hence, she'll make a loss from selling 15 necklaces</em>

Solving (b): An expression that represents profit.

To do this, we solve for b in 12b > 135 + 4.50b

Collect Like Terms

12b - 4.50b > 135

7.5b > 135

Make b the subject

b > \frac{135}{7.5}

b > 18

<em>This implies that to make a profit, she must sell more than 18 necklaces.</em>

6 0
3 years ago
The yearbook club has 5 members returning from last year. They set up a booth in the cafeteria to recruit more members, and an a
garri49 [273]

Answer:

yeah ☺️

Step-by-step explanation:

is it helpful or not,?

4 0
4 years ago
Solve this equation (if it shows up)
puteri [66]
These 2 angles are vertical angles.

Vertical angles are equal.

Set up an equation where 2 angles are equal to each other.

Solve for 'x'.

6x+238 = 3x + 178

3x = 178 - 238 = -60

x = -60/3

x = -20

7 0
4 years ago
(b) Melissa bought 18 pounds of flour for $10.
abruzzese [7]

Answer:

$1.80 per pound.

Step-by-step explanation:

You take 18/10 =1.80.

Hope that helps!

7 0
3 years ago
Martina made a scale drawing of a swimming pool. The scale she used was 1 inch : 4 feet. The actual length of the diving board i
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3 inch
12/4 is 3 so in the drawing, the diving board is 3 inch
Hope this helped :)
5 0
3 years ago
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