2 years ago

Question 6 The point (-2, 1); is on the graph of which of these functions?

Mathematics

1 answer:

julsineya [31]2 years ago

7 0

Answer:

Step-by-step explanation:

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What is the values of the soul out ion to the inequality<br> 9 < 3x + 4?

HACTEHA [7]

Answer:

x>5/3

Step-by-step explanation:

9<3x+4

3x+4>9

3x>9-4

3x>5

x>5/3

5 0

3 years ago

A 500 g model train car traveling at 0.8 m/s collides with a 300 g stationary car. The cars hook up and move off down the track

sdas [7]

Answer:

$0.5ms^{-1}$

Step-by-step explanation:

Let v be the speed after the collision of both the cars.

Now, momentum is given by: mass × velocity, then by equating the total momentum before and after the collision of the two cars, we get

$500{\times}0.8+300{\times}0=(500+300)v$

⇒ $400+0=800v$

⇒ $400=800v$

⇒ $v=0.5ms^{-1}$

Thus, they are moving at the velocity of $0.5ms^{-1}$

3 0

3 years ago

Read 2 more answers

Jana baked some muffins. After she served 13 of them to her friends for brunch, she had 17 left. How many muffins did she bake?

aleksley [76]

Answer:

Step-by-step explanation:

Add 13 served to 17 left over to get how many muffins she originally baked.

6 0

1 year ago

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How would you find the number, 3/7 of which is equal to t? (let's say it was any number, just need the equation)

ohaa [14]

Let the number be x
(3/7) x = t
I can't think of anything useful to add to this. How about an example?

Let x = 49

(3/7) x = t
(3/7) * 49 = t seven will go into 49
3 * 49 = t
t = 147

8 0

3 years ago

1) At a store, 40% of all the refrigerators are silver. There are 50 silver

olga nikolaevna [1]

There are 125 refrigerators in total.

Explanation:

Set up an equation:

x(.40)= 50
, where x is the number of refrigerators

Solve for x

7 0

3 years ago