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DedPeter [7]
2 years ago
5

Find the value of x for which the fraction 4x +9/7x​

Mathematics
1 answer:
qwelly [4]2 years ago
7 0

Answer:

x = 3

Step-by-step explanation:

Here ,

4x + 9 =7x

--> 4x - 7x = -9

--> -3x = -9

--> ≠ x = -9/3

--> x = 3

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A migrating bird flies 468 miles in 13 hours. how many miles does it fly in 3 hours?
ruslelena [56]

Answer:

The answer is 108mi

Step-by-step explanation:

to solve this problem, we need to write a ratio.

\frac{468mi}{13hrs}

to solve for 3 hours, we need to figure out how many miles the bird can fly in 1 hour. to do that, we need to divide the numerator and denominator by 13.

\frac{36mi}{1hr}

now we have a unit rate that represents distance covered per hour.

to solve for 3, we need to multiply the numerator and denominator by 3.

\frac{108mi}{3hrs}

the question is asking for <u>miles.</u> therefore, the bird can fly 108mi in 3 hrs.

hope this helps!

5 0
3 years ago
Read 2 more answers
Find the value of x and y. (geometry)
saveliy_v [14]
Ok so the value of x is 6 those lines on the 6 and x lines means that they are congruent. Then to figure out y you would use Pythagorean theorem 6^2+6^2
36+36=72
Square root 72 is about 8.5
8.5 would be y. Let me know if this is right and if this helps
7 0
3 years ago
Point P is located at (−2, 7), and point R is located at (1, 0). Find the y value for the point Q that is located two over three
irinina [24]

Answer:

  7/3

Step-by-step explanation:

The distances have the ratio ...

  (Q -P) = (2/3)(R -P)

  Q = P +(2/3)R -(2/3)P = (2R +P)/3

  Qy = (2Ry +Py)/3 = (2·0 +7)/3 = 7/3

8 0
3 years ago
Urgent!!! <br>Number 43 . <br>Due for next 2 min<br> Help . <br>Please show workings<br>​
Reil [10]

Answer:

E) 3

Step-by-step explanation:

43. ? ~ 4 =21

3 ~4= 3(3 + 4) = 21

Hope this helps.. Good Luck

4 0
3 years ago
Read 2 more answers
The ratio of destroyers to battleships in the navy is 10:40.What fraction of the total number of boats is the number of destroye
Readme [11.4K]

Answer:

10:40 = 10/40 = 1/4 of the boats are destroyers

Step-by-step explanation:

I hope this helps! Have a nice day!

5 0
3 years ago
Read 2 more answers
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