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1 year ago

The difference between any two square consecutive number is 20. find the number ?

Mathematics

1 answer:

sergij07 [2.7K]1 year ago

3 0

Answer:

hi. this is the way

Step-by-step explanation:

this is the process of doing it. hope you like it

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Geometry math question

Brut [27]

Look at the picture.

Let |AE| = |AD| = b

We have a proportion:

$\dfrac{x}{13}{y}=\dfrac{19}{y+a}=\dfrac{x}{y+2a}$

Solve for y from first proportion

$\dfrac{13}{y}=\dfrac{19}{y+a}\ \ \ |\text{cross multiply}\\\\19y=13(y+a)\\\\19y=13y+13a\ \ \ \ |-13y\\\\6y=13a\ \ \ |:6\\\\y=\dfrac{13}{6}a$

Substitute to the second proportion

$\dfrac{19}{y+a}=\dfrac{x}{y+2a}\\\downarrow\\\dfrac{19}{\frac{13}{6}a+a}=\dfrac{x}{\frac{13}{6}a+2a}\\\\\dfrac{19}{\frac{13}{6}a+\frac{6}{6}a}=\dfrac{x}{\frac{13}{6}a+\frac{12}{6}a}\\\\\dfrac{19}{\frac{19}{6}a}=\dfrac{x}{\frac{25}{6}a}\ \ \ \ |\dot a\neq0\\\\\dfrac{19}{\frac{19}{6}}=\dfrac{x}{\frac{25}{6}}\\\\19\cdot\dfrac{6}{19}=x\cdot\dfrac{6}{25}\\\\6=\dfrac{6x}{25}\ \ \ |\cdot25\\\\6x=6\cdot25\ \ \ |:6\\\\x=25$

Answer: B. 25

7 0

3 years ago

At 6:00 a.m., the outside temperature was –14.5⁰. By noon, the outside temperature had dropped 8.6⁰. What was the outside temper

Lerok [7]

The answer is -23.1°

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2 years ago

What is the next number in the following series: 54, 49, 44, 39, ...

Damm [24]

Hello there! And thank you for asking your question here on brainly . com! The number one asking and answering site.

Answer: C. 34

Explanation: The series shown is reducing by 5 digits. 54 - 5 = 49, 49 - 5 = 44, and so on. When we're at 39, just subtract by 5. 39 - 5 = 34. 34 is the answer.

Hope this helped you, and have an awesome day! ☺♥

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3 years ago

Find the solution: -9(2x - 1) = 45 x = -4 x =23/-9 x = -2 x = 3

Aleks [24]

Answer:

x=-2

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

A parachutists rate during the freefall reaches 189 km/h. What is the rate in meters per second? At this rate how many meters wi

Lera25 [3.4K]

1 km = 1000m
1 hr = 3600 s

189 km/h
189 * 1000 / 3600 m/s
189*5/18 m/s
945/18 m/s
315/6 m/s
105/2 m/s
52.5 m/s

in 10 s
52.5*10
525 m

3 0

2 years ago

The difference between any two square consecutive number is 20. find the number ?​

The difference between any two square consecutive number is 20. find the number ?