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noname [10]
4 years ago
7

A train moving at a constant speed travels 3 miles every five minutes. A car moving at a constant speed travels 12 miles every 2

0 minutes. Are the vehicles traveling at the same speed? If not, which is faster?
Mathematics
2 answers:
vodomira [7]4 years ago
5 0
They are traveling at the same speed.
NemiM [27]4 years ago
5 0

They are moving at the same speed because if you do 3 miles and 5 minutes by 4 you would get 12 miles and 20 minutes. Hope this helps. Happy Thanksgiving

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Pairs of jeans?
dangina [55]

Answer:

$534

Step-by-step explanation:

89*2=178

178+89(4)=534

3 0
3 years ago
Read 2 more answers
Can someone give me the right answer for this please? I'm so confused
photoshop1234 [79]

Answer:

JK = 18

Step-by-step explanation:

LK = x - 1

KJ = x + 11

LJ = LK + KJ = x - 1 + x + 11

-> LJ = 2x + 10

LM = 12

By tangent secant segment theorem:

LK \times LJ = JM^2 \\  \\  \implies \: (x - 1)(2x + 10) =  {(12)}^{2} \\  \\  \implies \: x (2x + 10) - 1(2x + 10) =  144\\  \\  \implies \: 2x^{2}  + 10x - 2x  - 10 -  144 = 0\\  \\  \implies \: 2x^{2}  + 8x  -  154 = 0\\  \\  \implies \: 2(x^{2}  + 4x  -  77) = 0\\  \\  \implies \: x^{2}  + 4x  -  77 = 0\\  \\  \implies \: x^{2}  + 11x   - 7x-  77 = 0\\  \\  \implies \: x(x  + 11)   - 7(x + 11) = 0\\  \\  \implies \: (x  + 11)  (x - 7) = 0 \\  \\ \implies \: (x  + 11) = 0 \:  \: or \:  \:   (x - 7) = 0 \\  \\ \implies \: x   =  -  11 \:  \: or \:  \:   x  = 7 \\  \\ x \: can \: not \: be \: negative \\  \implies \: x \neq \:  - 11 \\  \\  \implies \: x = 7 \\  \\  \implies \: JK = x + 11 = 7 + 11 \\  \\ \implies \:  \huge \: { \orange{JK =18}}

Hope it helps you in your learning process.

Have a great day ahead.

4 0
2 years ago
Can anyone help it would mean alot im struggling right now
Setler79 [48]

Answer:

what do you need? ^-^ I can help you

6 0
3 years ago
3x+2y=5 and 2x+2y Elimination method...help please​
Norma-Jean [14]
3x+2y=5
2x+2y=0

The solutions are: x=5, y=-5


8 0
3 years ago
How do you solve for(−5)^5(−5)^−6
Aleonysh [2.5K]

Answer:

-1/5

Step-by-step explanation:

We know that a^b * a^c = a^(b+c)

(−5)^5(−5)^−6

(-5) ^(5+-6)

(-5)^-1

We know that a^-b = 1/a^b

1/(-5)^1

1/-5

-1/5

3 0
4 years ago
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