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3 years ago

1 over 4a = 2 over 3. Which of the following equals a in this equation?

Mathematics

1 answer:

ch4aika [34]3 years ago

6 0

1 2
------- = --------
4a 3

cross multiply
2(4a) = 1 * 3
8a = 3
a = 3/8 or a = 3 over 8

answer
3 over 8

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Solve each system of equations X^2+y^2+18x+29=0 X+y=1

tatyana61 [14]

Answer:

two solutions : (-3;4) and (-5;6)

Step-by-step explanation:

hello :

X²+y²+18x+29=0 ..(1)

X+y=1 ...(2)

by (2) : y = 1 - x

put this value in (1) : x² +(1-x)² +18x+29 = 0

x² +1 +x² -2x+18x +29 =0

2x²+16x +30 = 0

x²+8x+15 =0

delta = b²-4ac a=1 b=8 c = 15

delta = (8)²-4(1)(15)=64-60 =4 = 2²

X1=(-8+2)/2 = - 3

X2=(-8-2)/2 = - 5

case 1 : x = -3 y = 1 - (-3) = 4

case 2 : x = -5 y = 1 - (-5) = 6

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3 years ago

Simplify 71/35 keep the number in improper form

iogann1982 [59]

Decimal form: 2.03 (rounded)
If you want to keep the fraction form, it is simplified to the farthest point without taking it out of the improper form

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3 years ago

Which of these triangle pairs can be mapped to each other using a translation and a rotation about point A?

Vladimir79 [104]

Answer:

Figure A

Step-by-step explanation:

See the attached figure which represents the given options

We are to select the correct pair of triangles that can be mapped to each other using a translation and a rotation about point A.

As shown: point A will map to point L, point R will map to point P and point Q will map to point K.

we will check the options:

Figure A: the triangle ARQ and LPK can be mapped to each other using a translation and a rotation about point A.

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

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

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

So, the answer is figure A

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

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3 years ago

Read 2 more answers

Can someone plz help me with this one problem!!! I’m being timed!

Katyanochek1 [597]

Answer: Yes i think so put yes

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3 years ago

-5(-7,3) in y=mx+b form

kenny6666 [7]

Assuming -5 is m

y-3 = -5 (x + 7)
y - 3 = -5x - 35
y = -5x - 33

hope this helps , give brainliest.

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3 years ago