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alexira [117]
3 years ago
10

4 times a number plus 9 ​

Mathematics
2 answers:
Helga [31]3 years ago
6 0

Answer:

4n+9

Step-by-step explanation:

GarryVolchara [31]3 years ago
4 0

Answer:

What is the number?

Step-by-step explanation:

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What is the quotient of 8x10^24 / 2x10^18 in scientific notation?
Vaselesa [24]
4 x 10^6 is the answer to the questioin
7 0
3 years ago
Fathers age is twice his daughter age but 16 years ago fathers age was 4 times his daughters age . Calculate their ages
zvonat [6]

Answer:

Father's age = 48

Daughter's age = 24

Step-by-step explanation:

Let x be father's age and y be daughter's age.

1st equation:

x = 2y

2nd equation:

(x - 16) = 4(y - 16)

Replacing value of x from 1st equation,

(2y - 16) = 4(y - 16)

2y - 16 = 4y - 64

4y - 2y = 64 - 16

2y = 48

y = 48/2

y = 24

And,

x = 2y

x = 2 x 24

x = 48

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7x = 48

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3 years ago
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4 0
3 years ago
PLEASE HELP I REALLY APPRECIATE IT AND NEED IT.
Oksanka [162]

Problem 5

Each two tangents form a right angle from the center of the circle to the circumference (a radius) and from the circumference to the exterior point. That makes a kite of 2 tangents and 2 radii.

The radii make an angle of 360 - 2*90 - 47 = 133.

That is also the central angle for the arc you are asking about.

Answer: 133.

Problem 9

The center is at point (-6, - 8) So far what you have is

(x + 6)^2 + (y + 8)^2 = r^2

You use the two given points to find r^2

r^2 = (x2 - x1)^2 + (y2 - y1)^2

r^2 = (-6 - 0)^2 + (- 8 - 0)^2

r^2 = 36 + 64

r^2 = 100

The circles equation is (x + 6)^2 + (y + 8)^2 = 100

Answer D

7 0
3 years ago
The volume V of a prism with base area B and height h is V=Bh. Solve the formula for h. Then use both formulas to find the heigh
IgorC [24]
The height is 5. 

Since V=Base*height, I just divided the volume by the base.

175/35
=5

So the height would be 5. You can check to see if it's true by multiplying 35*5, which gives you 175.
5 0
4 years ago
Read 2 more answers
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