1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MArishka [77]
2 years ago
5

Perpendicular lines AB and CD intersect at point E. If m2AED = x+ 20, what is the value of

Mathematics
1 answer:
Leona [35]2 years ago
5 0

Answer:

x = 70

Step-by-step explanation:

Since the lines are perpendicular then ∠ AED = 90°, thus

x + 20 = 90 ( subtract 20 from both sides )

x = 70

You might be interested in
(GIVING BRAINLIEST!!!!!!!!!)
malfutka [58]

Answer:

0

Step-by-step explanation:

3 0
3 years ago
A metal hollow bar whose cross section and dimension are shown below weighs 8x10^3 kg/m^3 and measure 2m in length ..determine t
devlian [24]
1) We calculate the volume of a metal bar (without the hole).

volume=area of hexagon x length
area of hexagon=(3√3 Side²)/2=(3√3(60 cm)²) / 2=9353.07 cm²
9353.07 cm²=9353.07 cm²(1 m² / 10000 cm²)=0.935 m²

Volume=(0.935 m²)(2 m)=1.871 m³

2) we calculate the volume of the parallelepiped

Volume of a parallelepiped= area of the section  x length
area of the section=side²=(40 cm)²=1600 cm²
1600 cm²=(1600 cm²)(1 m² / 10000 cm²=0.16 m²
Volume of a parallelepiped=(0.16 m²)(2 m)=0.32 m³

3) we calculate the volume of a metal hollow bar:
volume of a metal hollow bar=volume of a metal bar -  volume of a parallelepiped

Volume of a metal hollow bar=1.871 m³ - 0.32 m³=1.551 m³

4) we calculate the mass of the metal bar

density=mass/ volume  ⇒ mass=density *volume

Data:
density=8.10³ kg/m³
volume=1.551 m³

mass=(8x10³ Kg/m³ )12. * (1.551 m³)=12.408x10³ Kg

answer: The mas of the metal bar is 12.408x10³ kg  or   12408 kg  


4 0
2 years ago
What is the area of this rectangle?
nataly862011 [7]

Answer:  18 units squared

Step-by-step explanation:

To find area of a rectangle use A=lw

we can count the units for both and get...

11x2=18

So 18 units squared

3 0
2 years ago
En la expresion algebraica x², ¿que indica el número 2 en la base x?
tino4ka555 [31]

Answer:

En la expresión, 2 representa la cantidad de veces que multiplicas x por sí mismo.

**Lo siento si mi español es malo, el inglés es mi primer idioma.

Step-by-step explanation:

8^{2} = 8 × 8 = 64

y^2= y × y

5 0
3 years ago
26 push-ups in 2 minutes
OlgaM077 [116]

Answer:

13 per minute

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Valerie deposited $2000 into an IRA that grew to $5000 by retirement. If Valerie is currently in the 15% tax bracket and retired
    12·2 answers
  • Lin multiplies 7/8 times a number. The product is less than 7/8. Which could be Lin’s number?
    9·1 answer
  • NOT SURE NEED HELP PLEASE​
    6·2 answers
  • Evan spent 20 hours doing homework last week. This week he spent 25 hours doing homework. He says that he spent 125% more time d
    9·1 answer
  • Solve the linear equation, 2x+4=14​
    9·1 answer
  • What is the approximate circumference of a circle with a radius of 30 inches? Use π ≈ 3.14.
    8·1 answer
  • Write the equation of a line in slope-intercept form that passes through the given points.
    10·1 answer
  • Adding Integers<br> -8+19+8?
    8·1 answer
  • Can someone help me with this
    11·2 answers
  • I need a written answer for all three questions please.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!