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
larisa86 [58]
3 years ago
13

Factorise: a^2 + 8a - 20

Mathematics
2 answers:
dusya [7]3 years ago
8 0
That would be
(a-2)(a+10)
Likurg_2 [28]3 years ago
3 0
 a² + 8a - 20 = a² + 2*4*a - 20 = a² + 8a + 16 -16 - 20 = (a + 4)² - 36 = (a + 4)² - 6² = (a + 4 - 6)(a + 4 + 6) = (a - 2)(a + 10)
You might be interested in
In the expression 7 4 = 2,401, the value of the______ is 7. (
Alekssandra [29.7K]
7 is a base, 4 is an exponent.
6 0
3 years ago
Read 2 more answers
Which is true regarding the graphed function f(x)? The graph is attached and the choices?
aliya0001 [1]

The right answer to the graph of the line with a negative slope is:

<h2>f(5)=-1 </h2>

This is read as:

f(x)=y=-1

Then:

When x is 5, the value of y is -1


5 0
3 years ago
Read 2 more answers
Complete the recursive formula of the geometric sequence 27, -9, 3, -1... b(1) = b(n) = b(n - 1)⋅
valina [46]

Answer:

- 1/3

Step-by-step explanation:

When you multiply -1/3 with 9 you get 3! and so on

6 0
3 years ago
Can you please help me faster please help me if you know???!!!
Pepsi [2]
We want the probability of her coffee being large given she ordered a hot drink.
First we find the sum of the customers with hot drinks:
22+5+48=75
The probability of the drink being large given that it’s a hot drink is:
Large hot drinks/sum of hot drinks= 22/75= 0.293333...≈ 29%.
6 0
3 years ago
Read 2 more answers
From her eye, which stands 1.69 meters above the ground, Penelope measures the angle of elevation to the top of a prominent skys
exis [7]

Answer: 59.04

Step-by-step explanation:

tan 16= x/200

tan16/1=x/200  

200 tan 16=x  

x=57.349077...

x=57.349077...

Add 1.69, the distance from the ground to her eye:

57.349077...+1.69= 59.039077...

≈   The skyscraper is 59.04 meters tall.

7 0
3 years ago
Other questions:
  • PLZ HELP
    6·1 answer
  • Let f(x) = x2 and g(x) = x - 6. What is fog?
    11·1 answer
  • What is the difference between (5,3) and (-2,9)
    10·1 answer
  • This person made a mistake. what is the mistake and what is the correct answer?!!
    13·1 answer
  • What is the explicit rule that describes the arithmetic sequence shown in the graph
    11·1 answer
  • Globally, approximately how many people subsist on less than $1.25 per day?
    7·1 answer
  • Given y = alog(x + c) + d. What would happen to the graph if you changed the value of d? Describe both positive and negative
    9·1 answer
  • What are the factors of x2 - 12x + 36?
    9·1 answer
  • SOMEONE PLEASE HELP ME WITH THIS QUESTION!
    9·2 answers
  • <img src="https://tex.z-dn.net/?f=%5Csqrt%7B17%7D%5C%3A%5Ctimes%20%5Csqrt%7B17%7D%5C%3A" id="TexFormula1" title="\sqrt{17}\:\tim
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!