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yan [13]
3 years ago
10

14.914 cm + 243.1 cm + 243.1 cm =269.0186 cm

Mathematics
1 answer:
Alexeev081 [22]3 years ago
3 0

Answer:

False

Step-by-step explanation:

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3 years ago a father was 4 times as old as his daughter is now. The product of their present ages is 430. calculate the present
iren [92.7K]

If the product of the present age of father and his daughter is 430 and the age of father was 4 times as old as his daughter is now, then the present age of father is 43 and the present age of daughter is 10.

Given that the product of the present age of father and his daughter is 430 and the age of father was 4 times as old as his daughter is now.

We are required to find the present age of the father and daughter.

Suppose the present age of the father is x.

Suppose the present age of his daughter is y.

We are given product of present ages be 430.

xy=430----------1

y=430/x

According to question,

x-3=4y

Put the value of y=430/x.

x-3=4*430/x

x^{2}-3x=1720

x^{2} -3x-1720=0

x=(3±\sqrt{3^{2}-4*1*(-1720) })/2*1

x=3±\sqrt{6889})/2

x=(3±83)/2

x=(3+83)/2

(Ignoring the negative value because the age cannot be negative as it is coming before the greater number)

x=43

y=430/x

y=430/43

y=10

Hence if the product of the present age of father and his daughter is 430 and the age of father was 4 times as old as his daughter is now, then the present age of father is 43 and the present age of daughter is 10.

Learn more about product at brainly.com/question/10873737

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5 0
2 years ago
Help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
svet-max [94.6K]

Answer:

mx/n

Step-by-step explanation:

6 0
4 years ago
Will mark brainliest if done within 20 minutes of this being posted! NO LINKS NO FILES. Solve the radical equations and show you
Simora [160]

Step-by-step explanation:

5√x+3 = -20

÷5. : √x+3 = -4

square: x+3 = 16

-3: x = 13

√x+18 -2 = x -4

+2 : √x+18 = x -2

square: x+18 = x^2 - 4x +4

-18: x = x^2 -4x -14

-x : 0 = x^2 -5x - 14

foil: (x- 7) (x+2) = 0

x = 7, -2

6 0
3 years ago
What is 2+2x9x9x9x9x9x9x9
uysha [10]

Answer:

the answer is 9565940

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which linear inequality represents the solution set graphed?
postnew [5]

Answer:

Correct option is C

Step-by-step explanation:

First, find the equation of the boundary line. This line passes through the points (0,-3) and (-2,1). Then it has equation

\dfrac{x-0}{-2-0}=\dfrac{y+3}{1+3},\\ \\4x=-2(y+3),\\ \\y=-2x-3.

In the attached diagram this boundary line is solid, then the sign of the inequality should be with "or equal to" notion (≤ or ≥). Thus, options A and B are false.

The line divides the coordinate plane into two parts and you have to determine which part to choose. The origin does not lie in the shaded region, then its coordinates cannot satisfy the inequality. Check options C and D.

0\le -2\cdot 0-3\ (0\le -3) - origin does not satisfy (option C is correct);

0\ge -2\cdot 0-3\ (0\ge -3) - origin satisfies (option D is false).

4 0
3 years ago
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