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Mila [183]
3 years ago
11

Please help with the problem in the picture ^ I’ll give brainliest if you give me a small explanation! :)

Mathematics
1 answer:
Musya8 [376]3 years ago
3 0

Answer:

195

Step-by-step explanation:

Divide 91/7 which is 13 and multiply that by 15 to get the value of y when x is 15

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Item 15 Solve the equation for y. 20=5x+10y
Ronch [10]

Answer:

Rewrite the equation as

5

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5

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y

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5

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Subtract

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5

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y=2−x/ 2

Step-by-step explanation:

5 0
3 years ago
TRUE/FALSE. the lengths of the altitude of a hypotenuse is the geometric mean of the lengths of the segments of each of the legs
vitfil [10]

In Right Angled Triangle the lengths of the altitude of a hypotenuse is the geometric mean of the lengths of the segments of each of the legs is TRUE

What is a Right angled triangle?

A triangle is said to be right-angled if one of its angles is exactly 90 degrees. The total of the other two angles is 90 degrees. Perpendicular and the triangle's base are the sides that make up the right angle. The longest of the three sides, the third side is known as the hypotenuse.

The right triangle's three sides are interconnected. The Pythagorean Theorem explains this connection. This theorem states that the Hypotenuse2 = Perpendicular2 + Base2.

  • The right angle, or 90°, is always one angle.
  • The hypotenuse is the side with the 90° angle opposite.
  • The longest side is always the hypotenuse.
  • The other two inner angles add up to 90 degrees.

Let assume a right-angled triangle ABC, right-angled at A.

Let AD be the perpendicular drawn from vertex A on hypotenuse BC, intersecting BC at D.

Now, In right-angle triangle ABC,

By using Pythagoras Theorem, we have

AB^2 +AC^2 = BC^2

Now, In right-angle triangle ABD

Using Pythagoras Theorem, we have

AB^2 =AD^2 + BD^2

Now, In right-angle triangle ACD,

AC^2 = AD^2+CD^2

On adding equation (2) and (3), we get

AB^2 +AC^2 = 2AD^2+ BD^2 +CD^2

Now, using equation (1), the above equation can be rewritten as

2AD^2 +CD^2+BD^2 = BC^2

can be further rewritten as

2AD^2 +BD^2 +CD^2 = (CD+BD)^2\\\\BD^2 +CD^2 +2(BD)(CD)=2AD^2 +BD^2 +CD^2\\\\(BD)(CD)=AD^2

AD is geometric mean of BD and CD

Learn more about Right angled triangle from the link below

brainly.com/question/3770177

#SPJ4

8 0
1 year ago
Solve x^2+4x-6=0 using the quadratic formula
bagirrra123 [75]

Answer:

See Image below:)

Step-by-step explanation:

8 0
3 years ago
Hi, I need help on this, please help me out.
Ronch [10]
The decimal point should be moved 4 places to the right
3 0
3 years ago
Cora new puppy gains weight at a rate of 2 pounds every 5 days. At this rate, how many days will it take for the puppy to gain 2
lidiya [134]

Answer:

62.5 days

Step-by-step explanation:

First, we have to divide 25 pounds by 2 pounds.

25 / 2 = 12.5

Now, we multiply 12.5 by 5 days.

12.5 x 5 = 62.5 days

6 0
3 years ago
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