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
mihalych1998 [28]
3 years ago
15

What is the greatest common factor shared by 51 and 21

Mathematics
1 answer:
AlexFokin [52]3 years ago
3 0
The number ir gcf is 3 !
You might be interested in
Eliminate the x and y
sp2606 [1]

Step-by-step explanation:

Eliminate the x:

\left\{\begin{array}{ccc}x-2y=6\\3x+y=4\end{array}\right\\\\\text{Multiply by (-3)}\\\\\left\{\begin{array}{ccc}-3(x-2y)=(-3)(6)\\3x+y=4\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-3x+6y=-18\\3x+y=4\end{array}\right}\\.\qquad\qquad7y=-14\\.\qquad\qquad y=-2

Eliminate the y:

\left\{\begin{array}{ccc}x-2y=6\\3x+y=4\end{array}\right\\\\\text{Multiply by 2}\\\\\left\{\begin{array}{ccc}x-2y=6\\2(3x+y)=(2)(4)\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}x-2y=6\\6x+2y=8\end{array}\right}\\\\.\qquad7x=14\\.\qquad x=2

7 0
2 years ago
Which point is an x-intercept of the quadratic equation (x-8)(x+9)
defon

Solve for x in each set of parentheses by setting them to 0:

X -8 = 0

X = 8

X+9 = 0

X =-9

You have two x intercepts (8,0) and (-9,0)

You didn’t list any choices to pick from but it would be either if the ones above.

5 0
3 years ago
Read 2 more answers
If AB= 4 units and DC=4 units , what is the length of BC?<br>​
larisa [96]

answer 4

Step-by-step explanation:

if ab 4

dc 4

assuming a square bc 4

4 0
2 years ago
The first angle of a triangle is 3 times as large as the second angle. The third angle is twice as large as the second angle. Fi
Elan Coil [88]

Answer:

you have to multiply

Step-by-step explanation:

8 0
3 years ago
It took 3/4h to complete 1game of cards.How many games can be completed 2 1/4h?
Crank
I would prefer to solve this in a decimal form
I will show this to u in 2 ways
1:.75::X:2.25
(1*2.25)/.75x
2.25/.75x
X=3

2.25/.75=3
when we divide the number of hours played by hors for one game we get the number of games that could be played
7 0
3 years ago
Other questions:
  • Simplify 16...please help
    14·1 answer
  • Can someone please help me? I just started this class and I don’t understand how to do any of this.
    11·1 answer
  • A box of a dozen fruit tarts costs 15.00. what is the cost of the one fruit tart
    13·2 answers
  • What’s the difference of dependent variable and independent variable
    13·2 answers
  • One side of a tabletop is 12x – 5 units long. Another side of the tabletop is 7x + 4 units long. If the tabletop is a square, wh
    6·1 answer
  • The function P(x) = –0.015x
    12·1 answer
  • A cell phone plan costs $200 to start. Then there is a $50 charge each month
    12·1 answer
  • 15. Find the perimeter:<br> 2x + 1<br> х<br> 3x
    8·1 answer
  • 5. What does the following addition equal?<br> 3 and 7 eights + 6 and 5 eights
    6·1 answer
  • On monday,Jayden built a 22.4 inch tall snowman. By Tuesday, it had melted down to 18.6 inches tall? How many inches did the sno
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!