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sergeinik [125]
3 years ago
11

When an informative speech about a process has more than five steps, the speaker should group the steps into units so as to limi

t the number of main points. Question 10 options: True False
Mathematics
1 answer:
Lerok [7]3 years ago
3 0

Answer:

True

Step-by-step explanation:

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Point (a,a) lies on the graph of the equation 3y = 2x -4 find the value of a
Igoryamba
Substituting (x, y) with (a, a), since we have:

3a=2a-4, which means that 3a-2a=-4, that is a=-4.

So, the point is (-4, -4).


Remark: a point which lies in the graph of an equation is a solution of that equation. So x=a, y=a satisfies the equation <span> 3y = 2x -4, which makes our substitution legitimate.


Answer: </span>(-4, -4).
5 0
3 years ago
A tennis ball bounces based on this equation y = x2 - x+2. A dog jumps based on this equation y=2x.
valentina_108 [34]

Answer: when the equations are equal, that is when  x = 1 or x = 2

Step-by-step explanation:

The dog will receive the ball , when both equations intercept , that is , when both equations are equal. This implies :

x^{2} - x + 2 = 2x

x^{2} - x - 2x + 2 = 0

x(x-1) - 2 (x - 1 ) = 0

(x - 1 ) ( x - 2 ) =0

Therefore , x = 1 or x = 2

5 0
3 years ago
40 green cars 20 silver if same # of green stayed the same how many more silver would need to be added so the ratio of green to
slega [8]
So, there will be 40 green cars. if we want the ratio to be 1:3, we will need there to b three times as many silver cars as green cars: 40*3=120.

we already have 20 silver, so we need to add 120-20, that is 100 silver cars!
4 0
3 years ago
What expression best estimates -18 1/4 ÷ 2 2/3<br>a. 18÷3<br>b. -18÷3<br>c. -18÷(-3)<br>d. 18÷(-3)​
agasfer [191]
B) because if you round your numbers, -18 1/4 is -18 and 2 2/3 rounds up to positive 3
8 0
3 years ago
Determine whether the ratios 9/15 and 6/10 form a proportion.
lesantik [10]
The ratio 9/15 and 6/15 form a proportion
4 0
3 years ago
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