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2 years ago

"Raju's father age is 5 years more than three times of Raju's age. Raju's father age is 50 years."

Mathematics

2 answers:

Lana71 [14]2 years ago

8 0

Let rajus age be x

His father=3x+5

ATQ

$\\ \bull\tt\longmapsto 3x+5=50$

$\\ \bull\tt\longmapsto 3x=50-5$

$\\ \bull\tt\longmapsto 3x=45$

$\\ \bull\tt\longmapsto x=\dfrac{45}{3}$

$\\ \bull\tt\longmapsto x=15$

Ksju [112]2 years ago

6 0

Answer:

10?

Step-by-step explanation:

I dont understand the question but from what i can decipher, raju is either 10 or 17 but im going for 10

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2 years ago

Dec 4,

sasho [114]

Answer:

y = -0.8x - 5

Step-by-step explanation:

x1 = (XA + XB) / 2 = -5

y1 = (YA + YB) / 2 = -1

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2 years ago

An arch is in the shape of a parabola. It has a span of 100 feet and a maximum height of 25 ft.

faltersainse [42]

Answer:

$y=-\frac{1}{100}(x-50)^2+25$

the height of the arch 10 feet from the center is 24 feet

Step-by-step explanation:

An arch is in the shape of a parabola. It has a span of 100 feet, the vertex lies at the center 50 and the maximum height of 25 ft.

Vertex at (50,25)

vertex form of the equation is

$y=a(x-h)^2+k$ , (h,k) is the center

$y=a(x-50)^2+25$

the parabola starts at (0,0) that is (x,y)

$0=a(0-50)^2+25$

subtract 25 from both sides

$-25=a(-50)^2$

$-25=a(2500)$

divide both sides by 2500

$a=-\frac{1}{100}$

$y=-\frac{1}{100}(x-50)^2+25$

the height of the arch 10 feet from the center.

center is at 50, 10 feet from the center so x=40 and x=60

$y=-\frac{1}{100}(40-50)^2+25$

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2 years ago

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Answer:

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Step-by-step explanation:

We know that if the number connot be more than 200 then the number is less than or equal to 200

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2 years ago

"Raju's father age is 5 years more than three times of Raju's age. Raju's father age is 50 years."​

"Raju's father age is 5 years more than three times of Raju's age. Raju's father age is 50 years."