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Ket [755]
3 years ago
12

Can someone help please

Mathematics
1 answer:
xxMikexx [17]3 years ago
5 0
D- It is an enlargement with a scale factor greater than 1.

From the pre-image to the image, the scale factor is 3.
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Y=-3x<br> y=6x-9 in substitution method
Anna007 [38]
The two equations given in the question are
y = - 3x
And
y = 6x - 9
Let us now substitute the value of y from the first equation to the second equation, we get
y = 6x - 9
- 3x = 6x - 9
-3x - 6x = - 9
- 9x = - 9
Multiplying both sides of the equation by -1 we get
9x = 9
x = 9/9
   = 1
Now let us put the value of x in the first equation, we get
y = - 3x
   = - (3 * 1)
   = - 3
6 0
3 years ago
Read 2 more answers
Leilani practiced piano for 3/5 of an hour. Sarah practiced piano for 7/8 of an hour.
ivolga24 [154]

Answer:

The number of hours did Sarah practice more than Leilani is \dfrac{11}{40}  hours  .

Step-by-step explanation:

Given as :

The time for which Leilani practiced piano = \dfrac{3}{5} hours

The time for which Sarah practiced piano = \dfrac{7}{8} hours

Let the number of hours did Sarah practice more than Leilani = T hours

<u>Now, According to question</u>

The number of hours did Sarah practice more than Leilani = \dfrac{7}{8} hours -  \dfrac{3}{5} hours

Or, T =  \dfrac{35-24}{40} hours

Or, T =  \dfrac{11}{40} hours

So,The number of hours did Sarah practice more than Leilani = T =  \dfrac{11}{40}  hours

Hence, The number of hours did Sarah practice more than Leilani is \dfrac{11}{40}  hours  . Answer

3 0
3 years ago
A line segment has a midpoint of (1, 3/2). If one endpoint is (4,3), what is the other endpoint?
andrew11 [14]

Answer:

(-2, 0)

Step-by-step explanation:

midpoint formula :)

8 0
3 years ago
What's is the absolute value -18 degrees?
dalvyx [7]
The answer is 18 degrees
4 0
4 years ago
Read 2 more answers
Factorise 8x+12<br> ffffffffffdfffdfdfd
bagirrra123 [75]
Answer:
Factor out 4 out 8x-12
= 4(2x-3)
7 0
3 years ago
Read 2 more answers
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