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lisabon 2012 [21]
4 years ago
13

If 2x-y equals 120, what are the values of x and y?

Mathematics
2 answers:
elena-14-01-66 [18.8K]4 years ago
7 0

Answer:

Solve for x.

Step 1: Add y to both sides.

2x−y+y=120+y

2x=y+120

Step 2: Divide both sides by 2.

\frac{2x}{2} = \frac{y+120}{2}

x = \frac{1}{2}y + 60

solve for y.

Step 1: Add -2x to both sides.

2x−y+−2x=120+−2x

−y=−2x+120

Step 2: Divide both sides by -1

\frac{-y}{-1} = \frac{-2x + 120}{-1}

y=2x−120

krek1111 [17]4 years ago
5 0
X=60 and y=20
x and y can be many things that answers the question to 120
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Which of these triangle pairs can be mapped to each other using a translation and a rotation about point A?
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Answer:

<u>Figure A</u>

Step-by-step explanation:

See the attached figure which represents the given options

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we will check the options:

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<u>Figure B: </u> the triangle ARQ and LPK can be mapped to each other using a translation and a reflection about the line RA.

<u>Figure C:</u> the triangle ARQ and LPK can be mapped to each other using a translation and a reflection about the line QA.

<u>Figure D:</u> the triangle ARQ and LPK can be mapped to each other using a rotation about point A.

So, the answer is figure A

<u>The triangle pairs of figure A can be mapped to each other using a translation and a rotation about point A.</u>

3 0
3 years ago
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0. A local lawn service charges $6.00 per cut plus $2.50 per gallon of gas
xenn [34]

Answer:

C = 6 + 2.5g

Step-by-step explanation:

A local lawn service charges $6.00 per cut plus $2.50 per gallon of gas  used.

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3 0
4 years ago
Please help will give brainliest
garri49 [273]

Answer:

b = 17

Step-by-step explanation:

For this triangle we have to

a=18.2\\B=62\°\\C=48\°

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We know that the sum of the internal angles of a triangle is 180 °

So

A + 62 +48=180\\\\A=180-62-48\\\\A=70\°

Now we use the sine theorem to find the length of b:

\frac{sin(A)}{a}=\frac{sin(B)}{b}=\frac{sin(C)}{c}

Then:

\frac{sin(A)}{a}=\frac{sin(B)}{b}\\\\b=\frac{sin(B)}{\frac{sin(A)}{a}}\\\\b=a*\frac{sin(B)}{sin(A)}\\\\b=(18.2)\frac{sin(62)}{sin(70)}\\\\b=17

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3 years ago
20 is what percent of 52? Round your answer to the nearest tenth.
NARA [144]
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3 years ago
What % of 40 is 15? Please put how u do it
andriy [413]

Answer:

37.5

Step-by-step explanation:

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