2 years ago

PLEASEE HELPP!!!! ASAPP PLEASE PLEASEE!!!

Mathematics

2 answers:

Darya [45]2 years ago

5 0

Answer:

two are correct: side ED is equal to DC, and ABCDE is a pentagon

Step-by-step explanation:

pentagon is a polygon having 5 sides

You can find the length of BC by using the distance formula

omeli [17]2 years ago

4 0

Answer:

a, d to make it simpler

Step-by-step explanation:

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one of the solutions to x2 − 2x − 15 = 0 is x = −3. what is the other solution? x = −5 x = −1 x = 1 x = 5

Goryan [66]

$x^{2} -2x-15=0$
P(-15)
s(-2)
$x^{2} -5x+3x-15$
=x(x-5)+3(x-5)
=(x+3)(x-5)
x=5

3 0

3 years ago

-3x + 4 = -8<br> I-<br> math homework is difficult ._.

tino4ka555 [31]

The answer is -8 I’m believing

4 0

2 years ago

Read 2 more answers

The work of a student to solve the equation 4(2x − 4) = 8 + 2x + 8 is shown below:

Contact [7]

Step 2...first error...when distributing through the parenthesis, u multiply, not add.

4(2x - 4) = 8 + 2x + 8 =
8x - 16 = 16 + 2x <== correction

5 0

2 years ago

Can someone help me solve this matrix

liraira [26]

Answer:

You cant add a negative number.

Step-by-step explanation:

If you add a negative number you will not have a full answer.

6 0

2 years ago

BRAINLIESTT ASAP! PLEASE HELP ME :)<br> thanks!

fredd [130]

Answer:

A is correct, x=7, AB=20

Step-by-step explanation:

All of the options say x=7 so you can just input 7 into 4x-8 to find AB

4(7)-8=AB

28-8=AB

20=AB

Hope this helps, please mark brainliest :)

3 0

2 years ago