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3 years ago

10

if the perpendicular drawn from any two vertices to their opposite sides of a triangle are equal prove that the triangle is an i

sosceles triangle

1 answer:

julsineya [31]3 years ago

3 0

Go and answer yourself is going to benificial for you hdhdjdjdb

Step-by-step explanation:

Put you pen in your hand and hold it titely and put in your

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< J and < M are base angles of isosceles trapezoid JKLM. If measure < J = 20x +9 and m < M= 14x +15, find measure &l

Kazeer [188]

The base angles of an isosceles trapezoid are equal. Therefore:
20x + 9 = 14x + 15
6x = 6
x = 1
So, the base angles both equal 29 degrees.
In a trapezoid, the sum of the angles attached to the same leg always = 180 degrees.
Therefore, angle K and angle L equal 151 degrees.

5 0

3 years ago

How do you solve this 4x+5xy–2y?

Kitty [74]

The simplified expression of 4x + 5xy - 2y is 4x(1 + y) + y(x - 2)

<h3>How to solve the expression?</h3>

The expression is given as:

4x + 5xy - 2y

The above expression cannot be solved.

However, the expression can be grouped

So, we have:

4x + 5xy - 2y

Rewrite 5xy as 4xy + xy

So, we have:

4x + 5xy - 2y = 4x + 4xy + xy - 2y

Factorize the expression

4x + 5xy - 2y = 4x(1 + y) + y(x - 2)

Hence, the simplified expression of 4x + 5xy - 2y is 4x(1 + y) + y(x - 2)

Read more about expressions at:

brainly.com/question/723406

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4 0

2 years ago

You have quarters and nickels saved in a piggy bank. There is a total of $3.45 in the bank. If you have 70 cents in nickels, how

Andre45 [30]

Answer:

11 quarters

Step-by-step explanation:

First, I subtract : 3.45 - .70 = 2.75

Then, divide : 2.75 by 25 ( a quarter ) = .11

Check : 11 x 25 = 2.75 -------------> 2.75 + .70 = 3.45

Hope this helps :)

3 0

4 years ago

Read 2 more answers

3x-1 and 5x+2 find the area

Alex787 [66]

Answer:

$= 15 {x}^{2} + x - 2 \\$

Step-by-step explanation:

$(3x - 1) \times (5x + 2) \\ 3x(5x + 2 ) - 1(5x + 2) \\ 15 {x}^{2} + 6x - 5x - 2 \\ = 15 {x}^{2} + x - 2$

hope this helps

brainliest appreciated

good luck! have a nice day!

6 0

3 years ago

Read 2 more answers

The newest invention of the 6.431x staff is a three-sided die. On any roll of this die, the result is 1 with probability 1/2, 2

Gwar [14]

Answer:

<h2>The answer is 0.23(approx).</h2>

Step-by-step explanation:

The given die is a three sided die, hence, there are only three possibilities of getting the outcomes.

We need to find the probability of getting exactly 3s as the result.

From the sequence of 6 independent rolls, 2 rolls can be chosen in $^6C_2 = \frac{6!}{2!\times4!} = \frac{30}{2} = 15$ ways.

The probability of getting two 3 as outcome is $\frac{1}{4} \times\frac{1}{4} = \frac{1}{16}$ .

In the rest of the 4 sequences, will not be any 3 as outcome.

Probability of not getting a outcome rather than 3 is $1 - \frac{1}{4} = \frac{3}{4}$ .

Hence, the required probability is $15\times\frac{1}{16}(\frac{3}{4})^4 = \frac{1215}{4096}$ ≅0.2966 or, 0.23.

4 0

4 years ago