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maria [59]
3 years ago
11

I need help like now !!

Mathematics
1 answer:
Kazeer [188]3 years ago
6 0

Answer:

5

Step-by-step explanation:

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X=5y: 2x+5y=60<br><br> A) 10,4<br> B) 15,4<br> C) 20,4<br> D) 25,4
elena-14-01-66 [18.8K]

Answer:

C) 20, 4

Step-by-step explanation:

X = 5y

2x + 5y = 60

substitute in 5y for x: 2(5y) + 5y = 60

10y + 5y = 60

15y = 60

y = 4

x = 5y

x = 5(4) = 20

3 0
2 years ago
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Using function notation, describe the transformation. x^2+y^2=1 --&gt; (x-7)^2 + (y+4)^2 = 1
Fiesta28 [93]

Answer:

f(x - 7) - 4

Translation: < 7 , -4 >

Step-by-step explanation:

x^2+y^2=1

Centre: (0,0)

(x-7)^2 + (y+4)^2 = 1

Centre: (7,-4)

Translation: < 7 , -4 >

If the first function is f(x), the transformed function is:

f(x - 7) - 4

3 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP I NEED HELP WITH THIS HURRY THANKS
FrozenT [24]

Answer:

Part A

T-Shirt: $6.00

Pants: $13.33(repeating decimal)

Earrings: 7.50(terminating decimal)

Part B

add $6+ $13.33+ $10 = $29.33

6 0
3 years ago
Ray’s weight increased by 11% in the last two years. If he gained 16.5 pounds, what was his weight two years ago?
xz_007 [3.2K]
11% = 16.5
1% = 16.5 / 11
= 1.5
100% = 1.5 * 100
= 150. His weight two years ago was 150 pounds.
7 0
3 years ago
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Please help with these questions thank youu!!​
Masteriza [31]

#1

\\ \rm\Rrightarrow 2y=x-4

\\ \rm\Rrightarrow y=x/2-2

  • m=1/2

Parallel lines have equal slope

Equation in point slope form

\\ \rm\Rrightarrow y-4=1/2(x-1)

\\ \rm\Rrightarrow 2y-8=x-1

\\ \rm\Rrightarrow x-2y+7=0

#2

\\ \rm\Rrightarrow 1/2y-3x=2

\\ \rm\Rrightarrow 1/2y=3x+2

\\ \rm\Rrightarrow y=6x+4

  • m=6

Parallel lines have equal slope

Equation of line

\\ \rm\Rrightarrow y-6=6(x+2)

\\ \rm\Rrightarrow y-6=6x+12

\\ \rm\Rrightarrow 6x-y+18=0

#3

\\ \rm\Rrightarrow 1/k x+5=3y\implies y=x/3k+5/3

  • m1=1/3k

\\ \rm\Rrightarrow y=(2/k+3)x-6/(k+3)

  • m2=2/k+3

Slopes remain same

\\ \rm\Rrightarrow \dfrac{1}{3k}=\dfrac{2}{k+3}

\\ \rm\Rrightarrow k+3=6k

\\ \rm\Rrightarrow 5k=3

\\ \rm\Rrightarrow k=3/5

8 0
2 years ago
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