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Slav-nsk [51]
2 years ago
11

Find the missing value in the proportion 12/34 = 18/m.

Mathematics
2 answers:
qaws [65]2 years ago
7 0

Both the top and bottom numbers would have the same scale (ratio) in order to be a proportion.

Find the scale of the top numbers:

18/12 = 1.5

The top numbers have a scale of 1.5 so the bottom numbers also have a scale of 1.5

Multiply the known bottom number by the scale:

M = 34 x 1.5 = 51

saul85 [17]2 years ago
6 0

Step-by-step explanation:

\frac{12}{34}  =  \frac{18}{m}  \\ cross \: multiply \\ 12m = 612 \\ m =  \frac{612}{12}  \\ m = 51

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shepuryov [24]

Answer:

A

Step-by-step explanation:

2 cubes horizontal,  3 cubes (down) vertical,  2 cubes horizontal.

4 0
3 years ago
In large cities people out and take taxis to get from one place to another the cost is $25.20 every 36 miles how much is a 47 mi
Kay [80]

47 miles taxi ride will cost $32.9

Step-by-step explanation:

Given,

Cost every 36 miles = $25.20

Cost of one mile = \frac{Cost\ for\ 36\ miles}{36}

Cost of one mile = \frac{25.20}{36}\\

Cost of one mile = $0.7

Cost of 47 miles = Cost of one mile * 47

Cost\ of\ 47\ miles = 0.7*47\\Cost\ of\ 47\ miles = \$32.9

47 miles taxi ride will cost $32.9

Keywords: Division, multiplication

Learn more about multiplication at:

  • brainly.com/question/10879401
  • brainly.com/question/10940255

#LearnwithBrainly

5 0
3 years ago
Sally and Karl work at different jobs. Sally earns $7 per hour and Karl earns $5 per hour. They each earn the same amount per we
Lisa [10]

Answer:

Karl works 7 hours a week

Step-by-step explanation:

Step 1: Determine total amount that Sally earns

Total amount Sally earns=rate per hour×number of hours worked(h)

where;

Rate per hour=$7 per hour

Number of hours worked=h

Replacing;

Total amount Sally earns=(7×h)=7 h

Step 2: Determine total amount Karl earns

Total amount Karl earns=rate per hour×number of hours worked

where;

rate per hour=$5

number of hours worked=2 more than Sally=h+2

replacing;

Total amount Karl earns=5(h+2)

Step 3: Equate Sally's total earnings to Karl's total earnings and solve for h

7 h=5(h+2)

7 h=5 h+10

7 h-5 h=10

2 h=10

h=10/2

h=5

Karl works (h+2) hours=(5+2)= 7 hours

Karl works 7 hours a week

7 0
3 years ago
What is the value of x?<br> sin(4x-10)°=cos(40-x)°
ohaa [14]

Answer:

If sin(4x–10)° = cos(40-x)°, then  x = 20

Step-by-step explanation:

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2 years ago
The population of two different cities are modeled by the equations shown below. The population (in thousands) is represented by
lesya [120]

Answer: years of equal population are 1995 and 2022.

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Resolving the quadratic equations carefully will give the values of y and x which represent the population and years.

7 0
3 years ago
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