jetblackcap jetblackcap

03-06-2019
Mathematics

contestada

Please help me out please

Please help me out please class=

Respuesta :

mathstudent55 mathstudent55

03-06-2019

Answer:

31

Step-by-step explanation:

For rectangle ABCD, AC and BD are the lengths of the diagonals. The diagonals of a rectangle are congruent.

AC = BD

3x + 7 = 131 - x

Add x to both sides.

4x + 7 = 131

Subtract 7 from both sides.

4x = 124

Divide both sides by 4.

x = 31

Answer Link

Otras preguntas

first correct answer gets best marks

Given the sequence 38, 32, 26, 20, 14, ..., find the explicit formula.

Which of the following is not an effect of alcohol and other drug use? A. Impaired judgment B. Compulsiveness C. Heightened reasoning abilities D. Exaggerated f

Let's practise.Compare and contrast between a lion and a cow using the doublbubble map

What the answer now now

How can you determine whether a rational number will have a terminating or a repeating decimal form? Provide an example of both a terminating and repeating rati

8mi 200 yds - 2 mi 528 yds =

what theme is best revealed by this conflict?

Incline mats, or triangle mats, are offered with different levels of incline to help gymnasts learn basic moves. As the name may suggest, two sides of the mat a

what is the equation of a vertical ellipse with a major axis= 20 and a minor axis = 14?