3 years ago

Please do number 19 for me.

Mathematics

2 answers:

Natalka [10]3 years ago

8 0

Answer:

$x = 9$

$angle \: abc = 8x + 6x + 6x \\ 20x = 180 \\ x = \frac{180}{20} \\ x= 9$

$plzz \: \: mark \: as \: brainliest$

dedylja [7]3 years ago

4 0

Angles in triangle add to 180 degrees
20x=180
x=9
Angle ABC is the top one
8x9=72

You might be interested in

What is the constant term for -2a3b2+5ab5+7b4+8

stiv31 [10]

Hey there!

Constant terms are the terms where no variables are there (only the constant, i.e, the number). So, here the term 8 is the constant term because it doesn't have any variables.

Hope it helps ya!

8 0

3 years ago

The dimensions of this rectangle of half by seven show how you can divide the rectangle below to calculate the area

mariarad [96]

Is that the whole thing?

8 0

4 years ago

Find the product. (x+2)(x−2)=

kaheart [24]

Answer:

x² - 4

Step-by-step explanation:

Step 1: Write expression

(x + 2)(x - 2)

Step 2: FOIL

x² + 2x - 2x - 4

Step 3: Combine like terms

x² - 4

8 0

3 years ago

Read 2 more answers

An angle measures 120°less than the measure if its supplementary angle. What is the measure of each angle

marissa [1.9K]

Answer: 60°

Step-by-step explanation: 180 - 120 = 60.

7 0

3 years ago

Solve x to the second power = 144

vfiekz [6]

x ^ 2 = 144

x = 12, x = -12

Check:

12 * 12 = 144

-12 * -12 = 144

6 0

3 years ago

Read 2 more answers