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Scorpion4ik [409]
3 years ago
14

Solve the proportion.4/12=x/18

Mathematics
2 answers:
aev [14]3 years ago
8 0
4/12 = x/18 // - x/18

4/12-(x/18) = 0

1/3-1/18*x = 0 // - 1/3

-1/18*x = -1/3 // : -1/18

x = -1/3/(-1/18)

x = 6
juin [17]3 years ago
5 0
Solve for x by cross multiplying and the answer is x=6


hope this helps and plz rate below :)
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Use the diagram shown. If BC = 14, AB = 11, and the perimeter of triangle ABC is 39, then what is the value of BD?
RUDIKE [14]

Answer:

BD=5.5

Step-by-step explanation:

11 divided by 2 gives you the answer

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The population of Yuba City, California is 61,360 people. What is 61,360 rounded to the nearest thousand? * 5 points
Cloud [144]

Answer: 61,000

Step-by-step explanation:

61,360 is nearest to 61,000 then too 62,000

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3 years ago
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Two smaller triangle have areas of 75 m square and 12 m squared. find the ratio of their perimeters
Paul [167]

we know that two similar triangles will have ratio corresponding side is same.

ratio triangle 1 is 75m^2.

and triangle 2 is 12m^2.

75:12=\frac{75}{12} =\frac{25}{4} .

so we have ratio of area 25:4.

ratio of perimeter will be \frac{25}{4} =\frac{50}{8} =\frac{25}{12}.

from these perimeter ratio also \frac{25}{4} =25:4.

5 0
3 years ago
Wegnerkolmp2741o Plz answer
hodyreva [135]

Answer:

<u>18 shots</u>

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By criss cross method

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Hope this helps...

5 0
3 years ago
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The inequality that will determine the number of months, x, that are required for the second phone to be less expensive is . The
ziro4ka [17]

<em>Question:</em>

<em>Sal is trying to determine which cell phone and service plan to buy for his mother. The first phone costs $100 and $55 per month for unlimited usage. The second phone costs $150 and $51 per month for unlimited usage. </em>

<em>The inequality that will determine the number of months, x, that are required for the second phone to be less expensive is . </em>

<em>The solution to the inequality is . </em>

<em>Sal’s mother would have to keep the second cell phone plan for at least months in order for it to be less expensive.</em>

Answer:

a. 150 + 51x < 100 + 55x

b. x > 12.5

c. At least 13 months

Step-by-step explanation:

Given

First Phone;

Cost = \$100

Additional = \$55 <em>(monthly)</em>

Second Phone;

Cost = \$150

<em />Additional = \$51<em> (monthly)</em>

<em></em>

Solving (a): The inequality

<em></em>

Represent the number of months with x

The first phone is expressed as:

100 + 55x

The second phone is expressed as:

150 + 51x

For the second to be less expensive that the first, the inequality is:

150 + 51x < 100 + 55x

Solving (b): Inequality Solution

150 + 51x < 100 + 55x

Collect Like Terms

51x-55x

-4x

Solve for x

x > -50/-4

x > 12.5

Solving (c): Interpret the solution in (b)

x > 12.5 implies 13, 14, 15....

Hence, She'll keep the second phone for a period of at least 13 months

4 0
2 years ago
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