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Vladimir [108]
2 years ago
13

Can someone please help me with this

Mathematics
1 answer:
Jlenok [28]2 years ago
4 0

Answer:

y = 0.5x

Step-by-step explanation:

y = rx

4.5/9 = 0.5

7/14 = 0.5

15/30 = 0.5

y = 0.5x

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Can the sides of a triangle have lengths 3, 6, and 14?
fomenos

Answer:

No,  the first two numbers have to be more than the last number when added up.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Expand using distribution: 2x(x+1)(x-5)
morpeh [17]

Answer:

2x^3-8x^2-10x

Step-by-step explanation:

2x(x+1)(x-5)\\\\2x(x^2-4x-5)\\\\2x^3-8x^2-10x

5 0
2 years ago
A shopper bought shoes marked $45. The sales tax is 6.5%. How much did the shopper pay in all
seraphim [82]
45 times 1.065=47.925 which would be $47.93... hope that helps
5 0
3 years ago
Factor the following using greatest common factor 6x^2y^3 - 3x^5yz +15x^2y^2
Georgia [21]

Answer:

-3 x^2 y (x^3 z - 2 y^2 - 5 y)

Step-by-step explanation:

6(x^2)(y^3)

3(x^5)(y)(z)

15(x^2)(y^2)

take the least power:

x : 2

y : 1

z : 0

6,3,15: 3

Greatest common factor:

3(x^2)(y)

Factorize:

-3 x^2 y (x^3 z - 2 y^2 - 5 y)

8 0
3 years ago
4) -4y= -x + 4<br> 6) y + 3x = 3
wel

Answer:

x=16/13

y= -9/13

Step-by-step explanation:

A:         -4y=-x+4

B:          y+3x=3

4B:       4y+12x=12

A+4B:   12x= -x+16

----->    13x=16

               x=16/13

-4y= -16/13+4

4y=16/13-4

y=4/13-1= -9/13

4 0
3 years ago
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