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2 years ago

Please distribute 3 ( 2x + 3y)

Mathematics

1 answer:

KATRIN_1 [288]2 years ago

5 0

6x+9y would be right

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Find the intersection point between the lines of equations:<br><br>2x-y+6=0 and 2x+3y-6=0

Ugo [173]

Step-by-step explanation:

The two equation will intersect each other at the point which will be the solution of the given two equations , and the given equations are ,

$\implies 2x -y +6=0\\\\\implies 2x + 3y -6=0$

On subtracting the given equations we have,

$\implies -y - 3y +6 -(-6) = 0 \\\\\implies -4y = -12 \\\\\implies y = -12/-4\\\\\implies y = 3$

Put this value in any equation , we have ,

$\implies 2x -3 +6 =0\\\\\implies 2x = -3 \\\\\implies x =\dfrac{-3}{2} \\\\\implies x =-1.5$

Hence the lines will Intersect at ,

$\implies\underline{\underline{ Point=(-1.5, 3)}}$

8 0

2 years ago

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The ratio of sixth graders to seventh graders at the school dance is 2 to 3.

Inessa [10]

Answer:

Step-by-step explanation:

2:3 x 9

18:27

18 + 27 = 45

6 0

2 years ago

Which of the following statements is true?

Semmy [17]

Answer:

Option B

Step-by-step explanation:

we know that

A <u>rational number</u> is one that can be represented as the ratio of two whole numbers

$\frac{\sqrt{5}}{8}$ -----> Is not a rational number, because √5 is not a whole number, is a irrational number

$\frac{\sqrt{4}}{9}=\frac{2}{9}$ ---> Is a rational number, because can be represented as the ratio of two whole numbers

therefore

√5/8 is irrational and √4/9 is rational

7 0

3 years ago

Surface area of prisms need help ASAP I will give brainliest

trasher [3.6K]

Step-by-step explanation:

A=2πr(r+h)

A=6.28×14mm(+29mm)

A=77.92(14mm+29mm)

A=77.92×43

A=3350.56 mm

Hope it helps

6 0

1 year ago

4. A very scared penguin has decided to go downhill skiing. When he is nervous he likes to do math. The ski lift starts at 100 f

Ainat [17]

Answer: is -100 +1500-200

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers