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lorasvet [3.4K]

4 years ago

13

Two lines intersect in a point true or false

2 answers:

Gnom [1K]4 years ago

8 0

I've seen this question everywhere in math. The answer is definitely TRUE :)

Levart [38]4 years ago

7 0

True. Two lines intersect in a single point.

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Solve.<br>2x + 8y = 18<br>y= -x + 6<br>Enter your answer, in the form (x, y), in the boxes.

iren2701 [21]

Answer:

it is a simultaneous equation and I used Elimination method

$2x + 8y = 18(equ \: 1) \\ y = - x + 6 \: \\ y + x = 6 \: (equ \: 2) \\ \\ from \:( equ2) \\ \: x = 6 - y \: (equ \: 3 )\\ sub. \: (equ3) \: in \: (equ2) \\ 2(6 - y )+ 8y = 18 \\ 12 - 2y + 8y = 18 \\ 6y = 18 - 12 \\ 6y = 6 \\ \frac{6y}{6} = \frac{6}{6} \\ y = 1 \\ \\ sub. \: y \: in \: equ3 \\ x = 6 - y \\ x = 6 - 1 \\ x = 5 \\ \\ \\ y = 1 \: \: x = 5$

5 0

3 years ago

12=24-y <br><br><br>help me pleaseee

vitfil [10]

Answer:

y=12

Step-by-step explanation:

12=24-y

step 1

subtract each side by 24

24-24 cancels out

12-24=-12

now we have

-y=-12

we now have to divide by -1

-1/-1=1

-12/-1=12

so we can conclude that y=12

6 0

3 years ago

Read 2 more answers

Dimas [21]

Answer:

$17.14

Step-by-step explanation:

Given : $y = - 0.34x^2 + 4.43x + 3.46$

To Find : Using the quadratic regression equation, what was the predicted profit in year 8

Solution :

$y = - 0.34x^2 + 4.43x + 3.46$

Where y is profit and x is year

Substitute x = 8

$y = -0.34(8)^2 + 4.43(8) + 3.46$

$y =17.14$

So, Option D is true

Hence the predicted profit in year 8 is $17.14

5 0

4 years ago

Read 2 more answers

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Alja [10]

Answer:

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3 years ago

I need to know a system of equations to solve this please

Snowcat [4.5K]

3.That BC are congruent and that AB and AC are congruent as well

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3 years ago