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
il63 [147K]
3 years ago
11

Which expression is the factorization of x2 + 10x + 21?

Mathematics
1 answer:
maxonik [38]3 years ago
7 0

Answer:

(x + 3)(x + 7)

Step-by-step explanation:

Find two numbers that when added up to , they ALSO have to multiply up to 21. This is simple because of the fact that there is no leading coefficient greater than 1⃣.

You might be interested in
Convert the following into standard form<br> Y=1/6x+2
shepuryov [24]

Answer:

In the screenshot, since it won't let me do fraction form.

Step-by-step explanation:

4 0
3 years ago
12.41 less than the product of 42 and x
11Alexandr11 [23.1K]
12.41 less than the product of 42 and x

= 42x - 12.41
7 0
3 years ago
In a particular region, for families with a combined income of $75,000 or more, 15% of these families have no children, 35% of t
SCORPION-xisa [38]

Answer:

The probability distribution for x:"number of children per family for this income group" is:

\text{P(x=0)}=0.15\\\\\text{P(x=1)}=0.35\\\\\text{P(x=2)}=0.45\\\\\text{P(x=3)}=0.05\\\\

Step-by-step explanation:

With the information given we have the relative frequencies of each category.

We know:

\text{P(x=0)}=0.15\\\\\text{P(x=1)}=0.35\\\\\text{P(x=2)}=0.45\\\\\text{P(x=3)}=0.05\\\\

7 0
3 years ago
Plz help me First right is brainliest
AysviL [449]

Answer:

20 are cows 10 chickens 20 times 4 is 80 10 times 2 equals 20 80+20=100

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Polygon Y is a scaled copy of Polygon X using a scale factor of 1/3. Polygon Y’s area isn’t what fraction of Polygon X’s area?
loris [4]

Answer:

1/9th.

Step-by-step explanation:

Because the area is measured in units squared, then you have to square 1/3 which is 19th.

5 0
3 years ago
Other questions:
  • Charlie guesses that his dog weighs 34.5 lb. The dog actually weighs 32.7 lb.
    12·1 answer
  • What’s the answer to question 19?
    14·1 answer
  • Determine if the events listed are independent or dependent.
    9·1 answer
  • Solve For x.<br> 5/6 = 15/x
    13·2 answers
  • Is 3+2(2p+4t) equivalent to 4p+12t+6.
    7·1 answer
  • Plz help I need help now
    7·1 answer
  •  You could get 50-75  points!!!!!!
    5·2 answers
  • Helppppp I’ll mark you brainlist
    9·1 answer
  • 3x + 4y = 7<br> -3x + 9y = 6<br><br> X=<br> Y=
    6·2 answers
  • Keegan says that a quadrilateral is a square if and only if it is a rectangle. Is this a true biconditional statement?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!