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stiks02 [169]
3 years ago
10

15. If the point (5,k) lies on the line represented by the equation 2x + y = 9, the value of k is....

Mathematics
1 answer:
guajiro [1.7K]3 years ago
5 0

Answer:

The answer is C.

Step-by-step explanation:

Given that (5,k) lies on the line that has the equation of 2x + y = 9. So in order to find k, you have to substitute the coordinates into the equation :

2x + y = 9

Let x = 5,

Let y = k,

2(5) + k = 9

10 + k = 9

k = 9 - 10

k =  - 1

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The rocket that carried the Curiosity Rover to Mars traveled at a speed of 21,000 miles per hour. What is this speed to the near
Naily [24]

Well, think of it this way... The rocket is traveling 21,000 miles for every 60 min.

So, divide 21,000 by 60 and you get 350. So, it travels 350 miles per minute, or every 60 seconds. 350 divided by 60 seconds is 5.833333333. So, your answer would be 5.8


6 0
4 years ago
12-3(5-3) solve this equation. Do i use pedmas?
netineya [11]

Answer: 12-3= 9

9(5-3)

Distributive property

9x5=45

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6 0
3 years ago
In 1950, Town A had a population of 200 people and the population increased by 200 people each year. In 1950, Town B had a popul
schepotkina [342]

Answer:

Town B will eventually overtake Town A

in 1990 Town B will have a larger population

Step-by-step explanation:

To work out how big town A will be in 1990 you need to do 200 + (200x40) because you add 40 years worth of increased population onto the starting population

To work out how big town B will be in 1990 you need to use the equation 200 X 1.1^40 because to work out plus 10 percent you need to do 1.1 and do it to the power of 40 for how many years

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4 0
3 years ago
I needdddd helpppppp
DedPeter [7]

Answer:

P=a+b+c

Step-by-step explanation:

a=side

b=base

c=side

in your case do this for each two lines on every angle and use base for the shape inside hope this helps

3 0
3 years ago
What is the volume of the carton?<br><br> V = Bh<br><br> Area of a triangle = 1/2 x b x h
Angelina_Jolie [31]

Hi there!

\large\boxed{\text{ 10.5 in}^3}}

Begin by solving for the area of the base:

A = 1/2 (bh)

Thus:

A = 1/2(2 · 1.5) = 1.5 in²

Multiply by the depth to find the volume:

A = 1.5 × 7 = 10.5 in³

5 0
3 years ago
Read 2 more answers
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