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
slava [35]
3 years ago
12

4a2 – 21a + 20 4a 5 a 4a2 5a 4 16a 20 80a2 (4a + 5)(a + 4)

Mathematics
1 answer:
melomori [17]3 years ago
3 0

Answer:

5 a

Step-by-step explanation:

You might be interested in
Given: Line Segment AC ≅ Line Segment DC, ∠B≅∠D
Neporo4naja [7]

Answer:

See Below.

Step-by-step explanation:

<u>Statements</u>                                                       <u>Reasons: </u>

<u />1)\text{ } AC\cong DC                                                      Given

2)\text{ } \angle B\cong \angle D                                                      Given

3)\angle BCA \cong \angle ECD                                            Vertical Angles are Congruent

4)\text{ } \Delta ACB\cong \Delta DCE                                          AAS Congruence

5)\text{ } AB\cong DE                                                      CPCTC

7 0
3 years ago
A lecture hall contains $20$ chairs, all lined in a row. What is the number of ways that five chairs can be chosen, so that no t
patriot [66]

Answer:

Step-by-step explanation:

If we choose chairs having odd number in the row

no of chairs from which selection is made = 10

no of chairs to be selected = 5

no of ways = 10C₅

similarly if we choose hairs having even numbers only ,

similar to above , no of ways

= 10C₅

Total no of ways

= 2 x 10C₅

= 2 x 10 x 9 x 8 x 7 x 6 / 5 x 4x3 x 2 x 1

= 504 .

6 0
3 years ago
Read 2 more answers
Find the value of x and y that will make each quadrilateral a parallelogram.​
Tatiana [17]

Answer:

the opposite Angles sum up to give 180

Step-by-step explanation:

3y +3y = 180

y=30

if y = 30 the x = 55

are you clear?

7 0
3 years ago
Read 2 more answers
7) The table shows the cost to play at Mini-golf Course A. The equation y = 4x + 5 models the cost (y) to play x games at Mini-g
LenKa [72]

Answer:

The answer is A.

Step-by-step explanation:

took the test im positive

3 0
2 years ago
N his road trip, Leon stops to refuel and get some snacks. He has the following purchases:
tresset_1 [31]

Answer:

C. Paid $2.60 too much

Step-by-step explanation:

Gas 12 x 2.89 = 34.68

granola 2 x 1.59 = 3.18 x 1.075 = 3.4185

apple .89 x 1.075 = 0.95675

vitamin water 2 x 1.39 = 2.78 x 1.075 = 2.9885

  34.68
  3.4185
  0.95675
+ 2.9885
---------------------
  $42.04

  $44.64
- $42.04
---------------------
  $2.60

3 0
2 years ago
Other questions:
  • The interior angles of a triangle measures 180?<br> True or false
    5·1 answer
  • What are the lengths of the other two sides of the triangle? AC = 5 and BC = 5, AC = 5 and BC =5 square root 5, AC = 5 square ro
    5·2 answers
  • Solve the system of Linear equations by elimination
    6·1 answer
  • If Chad drove 168 miles in 2 hours, how many hours will it take Chad to drive 840 miles traveling at the same rate?
    7·2 answers
  • It is advertised that the average braking distance for a small car traveling at 65 miles per hour equals 120 feet. A transportat
    10·1 answer
  • Is the sequence finite or infinite 3,5,7,9,………..
    9·1 answer
  • Find the measure of each angle indicated. Round to the nearest tenth.
    8·2 answers
  • Help plss it’s hard.....
    7·1 answer
  • Help plzzzzz it's a 9th grade question ​
    7·2 answers
  • -5 1/5 + 3.7 + 5 1/10 how to solve
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!