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ANTONII [103]
3 years ago
8

Jacks age is three years more than twice the age of his younger brother jimmy if the sum of their ages is at most 18 find the gr

eatest age that jimmy could be ???
Mathematics
2 answers:
Roman55 [17]3 years ago
7 0
5 is the correct answer.
To prove it, subtract 5 from 18 - You'll get 13.
5 x 2 + 3 = 13.
Eva8 [605]3 years ago
7 0
Eg. x is Jack's age, y is Jimmy's age

x = 3 + 2y
x + y = 18

Subtitute x with 3 + 2y
x + y = 18
3 + 2y + y = 18
3 + 3y = 18
3y = 18 - 3
3y = 15
y = 15/3
y = 5

Jimmy's age is 5
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irga5000 [103]

Answer:

In John Locke's "First Treatise on Government" he wrote against the divine birth right of rulers. Locke believed that the people should be in control of choosing their leaders. He believed that citizens should be free to choose their own happiness and general well-being

8 0
4 years ago
The area of a ferris wheel is about 154 square meters. Which of the following is closest to the length of one of the spokes? [As
babunello [35]

Answer:

The length of one of the spoke is 7 m

Option C is correct answer.

Step-by-step explanation:

Area of Ferris Wheel = 154 square meters.

We need to find  the length of one of the spokes.

We are given: Assume  the spokes go from the centre to the edge of the Ferris wheel.

So, We are given area of circle and we need to find radius of circle.

The formula used is: Area\:of\:circle=\pi \:r^2

Putting values and finding radius

Area\:of\:circle=\pi \:r^2\\154=3.14\:r^2\\r^2=\frac{154}{3.14}\\r^2=49\\Taking\:square\;root\\\sqrt{r^2}=\sqrt{49}\\r=7\:m

So, Radius of circle = 7 m

The length of one of the spoke is 7 m

Option C is correct answer.

4 0
3 years ago
If a spacecraft was parked on Venus and needed to make a flight to Jupiter, how far would it need to travel? (Assume both planet
victus00 [196]
In miles 365 million miles or 365,000,000
in km, 588 million km or 588,000,000

so
scientific notation=(number less than 10 and greater than or equal to 1) times 10^n

so
we need to move the decimal point 8 spaces to the left
to compensiate for that, we multiply by 10⁸ which will move it 8 to the right
so

365,000,000 mi=3.65 times 10⁸ mi
588,000,000 km=5.88 times 10⁸ km

those are the distances in scientific notation


4 0
3 years ago
Read 2 more answers
It is known that 11% of the seniors in a large high school enter military service upon graduation. If a group of 10 seniors are
GaryK [48]

Answer:

2.2%

Step-by-step explanation:

I don't know if this right but it would be 2/10 and multiply htat by 0.11 (representing the 11%) and you would get 0.022 or 2.2%

6 0
3 years ago
What are the roots of the equation 9x^2-42x+50=0 in simplest a+bi form?
Lapatulllka [165]

Answer:

-7/3 +\- 1/3i

Step-by-step explanation:

3 0
3 years ago
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