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labwork [276]
3 years ago
13

If you can help please answer

Mathematics
1 answer:
irinina [24]3 years ago
4 0

Answer:

see below

Step-by-step explanation:

3. \angle BCA = \angle CAD

Reason

By alternate interior angles

4. \triangle ABC \cong \triangle CDA

Reason

By SAS

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Plz help will mark brainliest if correct answer ​
Vladimir79 [104]

Answer:

73

Step-by-step explanation:

4 0
3 years ago
When (8x − 4) = 2x is solved, the result is:
notsponge [240]

Answer:

x = 1

General Formulas and Concepts:

<u>Pre-Algebra</u>

Distributive Property

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

1/2(8x - 4) = 2x

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Distributive Property] Distribute 1/2:                                                              4x - 2 = 2x
  2. [Subtraction Property of Equality] Subtract 2x on both sides:                      2x - 2 = 0
  3. [Addition Property of Equality] Add 2 on both sides:                                    2x = 2
  4. [Division Property of Equality] Divide 2 on both sides:                                  x = 1
8 0
3 years ago
Read 2 more answers
PLEASE I’LL GIVE BRAINLIEST !!!!Complete the mapping of the vertices of ADEF.
alisha [4.7K]

D'=(-4,2)
E'=(-1,1)
F'=(1,5)

Hope it heled.

Please note this rotation just allows you to turn (x,y) to (y,x)

Here are the rotation rules: 90° clockwise rotation: (x,y) becomes (y,-x) 90° counterclockwise rotation: (x,y) becomes (-y,x) 180° clockwise and counterclockwise rotation: (x, y) becomes (-x,-y)

5 0
2 years ago
A bicycle wheel has a radius of 13 inches.
Dovator [93]
The distance traveled in  1 roation is assumed to be the circumferece

c=2pir
in 13 rotations

13 times 2pir=26pir=distance traveled for 13 revolutions

r=13
d=26pi13
d=338pi
using 3.14 for pi
d=1061.32 inches
6 0
3 years ago
Blakes goes from averaging 8 hours of sleep for a school night to averaging 6.5 hours of sleep on the weekend. What is the perce
beks73 [17]

Answer:

Step-by-step explanation:

So Blakes sleep 8 hours per night during the school day

8 hours/night...................................100%

6.5 hours/night...................................?

6.5*100/8=81.25

the change in percentage is 100-81.25=18.75%

the percentage change is 18.75

if it is easier for you, another method is:

8-6.5=1.5 subtract the original amount to the new amount

1.5/8=0.1875 divide by the original amount

0.1875*100=18.75 find the percentage

7 0
3 years ago
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