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NikAS [45]
3 years ago
6

Slove the expression

Mathematics
2 answers:
notka56 [123]3 years ago
6 0
Expression solved ;)
Sever21 [200]3 years ago
4 0

Answer:

what is the expression

Step-by-step explanation:

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What is a unit rate?
REY [17]
A unit rate in math is the expression of a rate in a quantity of one.<span> For example, 60 miles per hour represents a commonly used unit rate. Similarly, 30 students per school bus also represents a unit rate.</span>
5 0
3 years ago
AB = 6x DC = x + 15 AD = 9 BC = 3y Quadrilateral ABCD is a parallelogram if both pairs of opposite sides are congruent. Show tha
Kruka [31]

Answer:

The given quadrilateral is a parallelogram.

Step-by-step explanation:

If a quadrilateral is a parallelogram , then the opposite sides would be equal.

Here we are going to equate the length of  1 pair of opposite sides to find the value of x and use this value of x to verify whether the other pair of opposite sides are equal.

AB = 6x

BC = 3x

DC = x + 15

AD = 9  

Equate AB and CD,

6x = x + 15

5x = 15

x = 3

Now BC and DA should be equal.

BC = 3x = 9

Also DA = 9

As we can see, the other pair of opposite sides are also equal.

Quadrilateral ABCD is a parallelogram if both pairs of opposite sides are congruent.

Hence , the given quadrilateral is a parallelogram.

5 0
3 years ago
3. Liam has a rectangular back
MA_775_DIABLO [31]

Answer:

Length of the other side of the backyard is 80.4 feet.

Step-by-step explanation:

Let the dimensions of the Liam's rectangular backyard = 85 feet × a feet

Diagonal of the rectangle, AD = 117 feet

When we apply Pythagoras theorem in ΔABD,

AD² = AB² + BD²

(117)² = (85)² + BD²

a² = 13689 - 7225

a = √6464

  = 80.399 feet

a ≈ 80.4 feet

Therefore, length of the other side of the backyard is 80.4 feet.

3 0
3 years ago
Can anyone please explain this to me??
gregori [183]

Answer:

its either def or fed

Step-by-step explanation:

6 0
3 years ago
If x and y are complementary angles, then y is a right angle.<br><br> right?
Nikitich [7]
Always because the sum of x and y is 180 degrees. If x and y are right angles, then x and y are supplementary angles. Never because the sum of x and y has to be 90 degrees. If x and y are complementary angles, then y is a right angle.
4 0
3 years ago
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