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
Ainat [17]
3 years ago
10

What is the alternating sum of digits

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
6 0

Answer:Take the alternating sum of the digits in the number, read from left to right. If that is divisible by 11, so is the original number. So, for instance, 2728 has alternating sum of digits 2 – 7 + 2 – 8 = -11. Since -11 is divisible by 11, so is 2728.

Hope this helped

You might be interested in
Rita purchased a snow blower during the Winter Clearance Sale at Lowe’s. If Rita paid $345.50 for the snow blower and the origin
Kitty [74]
<span>A)75% off the original price </span>
8 0
2 years ago
9× 3 1/2=<br> Which choice is the most reasonable answer?
icang [17]

Answer:

31.5 or 63/2

Step-by-step explanation:

to do this, first you need to transform the <u>mixed number</u> <em>(3 1/2)</em> into an <u>improper fraction</u>, to get 7/2.

then you just multiply 9 by 7/2

9/1 (7/2)

63/2 = 31.5

<em>both of the answers in bold are correct</em>

8 0
3 years ago
Identify the graph of ƒ(x) = x2 + 6x – 7 from the choices below.
torisob [31]

f(x) = x^2 + 6x - 7

y = x^2 + 6x - 7

y = (x - 1)(x + 7)

x + 7 = 0

x = -7

x - 1 = 0

x = 1

The x-intercepts are -7 and 1.

Since the leading coefficient is a positive, the graph will point upwards.

So, the graph of the function is D.

5 0
2 years ago
Terry bought 7 packs of dodger peanuts at the game.If each pack holds 1 2/3 ponds of peanuts how many pounds of peanuts did terr
Irina18 [472]

Answer:

11 2/3 pounds

Step-by-step explanation:

If a pack contain 1 2/3 pounds, 7 packs would contain :

1 2/3 x 7

\frac{5}{3} × 7 = 35/3 = 11 2/3 pounds

8 0
2 years ago
Help! <br><br> The function shown in the graph is
8_murik_8 [283]

Answer:

The function in the graph is y=2x-1

The slope is 2, and the y intercept is (0, -1)

Let me know if this helps!

7 0
3 years ago
Other questions:
  • How to factor 4x^2-16x+15
    9·1 answer
  • A 440 m long road is being repaired. After one day, the workers had repaired 3/4 of the road. What is the length of road left to
    11·1 answer
  • -1 ≤ n+2 ≤ 6
    7·1 answer
  • alberto rode 5/8 of the water rides at the water park. his sister arena road half of the rides the alberta road. what fraction o
    6·1 answer
  • Solve for x 2x/3 +1 =3
    13·1 answer
  • A car travels at an average speed of 24km/h.Findin meters the distance travelled by the car in 12 seconds
    14·1 answer
  • 11. Harvey the wonder hamster can run 3 1/4 km in 1/2 hour. If Harvey runs at a constant rate, how fast can he run in 1 hour. (W
    12·2 answers
  • Subject:Mathematics ​
    13·2 answers
  • Someone pls help me answer this prompt
    11·1 answer
  • Hii<br>l have some dought<br>​
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!