deshawn214 deshawn214

12-01-2021
Mathematics

contestada

In the triangle, suppose that m

Respuesta :

strider874 strider874

12-01-2021

Answer:

12

Step-by-step explanation:

angle E is 90º so the other two angles must sum to 90º

4x-15+3x+21=90

7x+6=90

7x=84

x=12º

m∠C=4(12)-15=48-15=33º

m∠D=3(12)+21=36+21=57º

Answer Link

Otras preguntas

what is the relationship between adaptation and natural selection

how many times does 50 go into 100

In the number 222, what is the relationship between the 2s? Think about the place value of each

Lisa is standing on a dock beside a lake. She drops a rock from her hand into the lake. After the rock hits the surface of the lake, the rock's distance from

Which of the following skills is most important in learning how to write? A. Knowing how to use the Readers' Guide before you write B. Knowing proper grammar b

What was the main goal of establishing a central banking authority? a. to stabilize the national economy b. to weaken the power of smaller states c. to grant

how does trade affect a national economy

A substance that speeds up the rate of a chemical reaction is called A. a catalyst B. a substrate. C. an enzyme. D. Both A and C

How did the Mongols respond to the different religions that were practiced in Persia? The Mongols were tolerant of the different religions. The Mongols were

Many plants have a waxy cuticle to prevent them from losing water. This is made of A. lipids. B. nucleic acids. C. starches. D. protein.