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notsponge [240]
3 years ago
13

0.6y+0.02=0.3y-0.4 value of y?

Mathematics
1 answer:
AleksandrR [38]3 years ago
4 0

0.6y + 0.02 = 0.3y - 0.4

Subtract 0.3y from both sides.

0.3y + 0.02 = -0.4

Subtract 0.02 from both sides.

0.3y = -0.42

Divide both sides by 0.3.

y = -1.4

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Complete this proportion: 6/8 = a/12.
Viktor [21]

Answer:

9

Step-by-step explanation:

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2 years ago
Help? <br> Calculate the total surface area of the prism.
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2 years ago
Read 2 more answers
Find the orthocenter of △ABC. A(2, 3), B(−4, −3), C(2, −3)
weqwewe [10]
ANSWER

\boxed { A. \: \: (2,-3) }

EXPLANATION.

The orthocenter is the point of intersection of any two altitudes of the triangle.

First, you need to determine the slope of each side of the triangle.

△ABC has vertices A(2, 3), B(−4, −3), C(2, −3).

slope \: of \: AB = \frac{3 - - 3}{2 - - 4} = \frac{6}{6} = 1

slope \: of \: AC = \frac{ 3 - - 3}{2 - 2} = \frac{6}{0}

This line has undefined slope, which means it is a vertical line.

slope \: of \: BC = \frac{ - 3 - - 3}{ 2 - - 4} = \frac{0}{6} = 0

The slope of this line is zero, meaning the line is a horizontal line.

This implies that side BC and side AC of the given triangle are perpendicular and will intersect at C since they are the altitudes of triangle ABC.

Hence the orthocentre is

(2,-3)

See diagram in attachment.

5 0
3 years ago
Mr.Afzal bought an article for Rs4400 for 3years at 8 percent what was the interest charge?
zimovet [89]

\large\underline{\underline{\red{\rm\blue{\longmapsto} Step-by-step\: Explanation:-}}}

Here , the given data is :

  • Principal = Rs 4400 . ( P )
  • Time = 3 years . ( T )
  • Rate of Internet = 8% . ( R )

We can calculate Simple Interest using ,

\boxed{\purple{\bf Simple\: Interest=\dfrac{P\times\:R\:\times\:T}{100}}}

On substituting the respective values ,

⇒ SI = P × R × T / 100.

⇒ SI = Rs 4400 × 8 × 3 / 100 .

⇒ SI = Rs 44 × 8 × 3 .

⇒ SI = Rs 1,056 .

<u>Hence</u><u> </u><u>the</u><u> </u><u>requ</u><u>ired</u><u> </u><u>Interest</u><u> </u><u>is</u><u> </u><u>Rs</u><u> </u><u>1</u><u>,</u><u>0</u><u>5</u><u>6</u><u>.</u>

5 0
3 years ago
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