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
polet [3.4K]
3 years ago
9

Help me pleaseeeeeeeee

Mathematics
2 answers:
topjm [15]3 years ago
7 0

Answer:

x = 6, y = 3

Step-by-step explanation:

Let Sally's age be x and Tomas's age be y.

Sum of Sally's age plus twice Tomas's age: x + 2y = 12

Difference of Sally's age and Tomas's age: x - y = 3

Multiply the second equation by two and add it to the first equation to get

3x = 18, which means x = 6.

Plug 6 in for x in the second equation to get 6 - y = 3, which means y = 3.

natka813 [3]3 years ago
3 0

Answer:

9

Step-by-step explanation:

its EZY

You might be interested in
____ regular polygons are symmetrical.
Zielflug [23.3K]
D, all apply
You can cut all in half and they will be equal
4 0
3 years ago
Read 2 more answers
Help me pleaseeeeeeeeeeeee
Elan Coil [88]
I will mark brainlist please help

Story : A Dog’s Tale by Mark Twain

1. Using a dog as narrator gives the passage a tone of —


• objectivity
• formality
• bitterness
• humor


2. What literary device is used in the sentence “She had one word which she always kept on hand, and ready, like a life-preserver”?

• Simile
• Metaphor
• Hyperbole
• Onomatopoeia

3. Based on the second paragraph, the word mastiff most likely means —

• a large dog
• a male dog
• a man’s shirt
• a part of a ship


4. According to the author, what would bring such happiness to the dogs as he describes at the end of the story?

• They helped the author’s mother find the words she used, so they especially enjoyed watching her use them.

• They knew the meaning of “supererogation” and realized they were listening to a funny joke.

• Watching and laughing as others were embarrassed vindicated their own previous embarrassment.

• They were generally happy dogs who often expressed a great deal of joy.

5. “A Dog’s Tale” uses the topic of animal communication in order to —
• show how dogs really communicate

• explain how animals learn from humans

• demonstrate that dogs are smarter than most people

• poke fun at human behavior

6. The amount of time that passes during this story is most likely —

• 10 hours

• 10 days

• 10 months

• 10 years

7. An underlying theme in this story is that —

•many people use words without knowing their meanings

• dogs know more than people realize

• family loyalty takes top priority

• strangers are almost always suspicious

8. Since the author used first person, readers are left to wonder —

• how the author felt about his mother

• how strangers reacted to his mother’s word knowledge

• what the author’s mother was thinking

• whether or not the author’s mother knew the meanings of all the words she used
6 0
2 years ago
Read 2 more answers
WILL MARK BRAINLIEST!!! Find the fifth roots of 243(cos 240° + i sin 240°).
Snowcat [4.5K]

Answer:

<h2>3(cos 336 + i sin 336)</h2>

Step-by-step explanation:

Fifth root of 243 = 3,

Suppose r( cos Ф + i sinФ) is the fifth root of 243(cos 240 + i sin 240),

then r^5( cos  Ф  + i sin  Ф )^5 = 243(cos 240 + i sin 240).

Equating equal parts and using de Moivre's theorem:

r^5 =243  and  cos  5Ф  + i sin  5Ф = cos 240 + i sin 240

r = 3 and  5Ф = 240 +360p so Ф =  48 + 72p

So Ф = 48, 120, 192, 264, 336  for   48 ≤ Ф < 360

So there are 5 distinct solutions given by:

3(cos 48 + i sin 48),

3(cos 120 + i sin 120),

3(cos 192 + i sin 192),

3(cos 264 + i sin 264),

3(cos 336 + i sin 336)

6 0
2 years ago
A particle is moving on a straight line in such a way that its velocity v is given by v ( t ) = 2 t + 1 for 0 ≤ t ≤ 5 where t is
Lady_Fox [76]

Answer:

The total distance traveled by the particle is S = 30.

Step-by-step explanation:

Given that velocity,

v(t) = 2t + 1

To find the total distance travel, we integrate the velocity function, v(t), to obtain the distance function s(t), and evaluate the resulting distance at the interval given. That is at t = 0 to t = 5.

Integrating v(t) with respect to t, we have

s(t) = t² + t + C.

At t = 5

s(5) = 5² + 5 + C

= 25 + 5 + C

= 30 + C

At t = 0

S(0) = 0 + 0 + C

= C

The required distance is now

S(5) - S(0)

= 30 + C - C

= 30.

8 0
2 years ago
Read 2 more answers
How can you select a number between 1 and 1000, where every number has the same likelihood of being selected? please help me i n
aleksandr82 [10.1K]

Answer:

You can do this by rolling dice 4 times

Step-by-step explanation:

If you roll a fair dice 4 times and record the findings and their orders, you can generate 6^4= 1296 possible outcomes. You can pick 1-1000 as numbers and then re-roll all the dice if the number generate 1001-1296  

To translate the dice result into a number you have to multiply the dice result as following:

1st roll multiplied by 6^0 = 1

2nd roll multiplied by 6^1 = 6

3rd roll multiplied by 6^2= 36

4th roll multiplied by 6^3= 216

Let's say you roll 1, 2, 3, 4

The number generated will be: 1*1 + 2 *6 + 3 *36 + 4 *216 = 985

6 0
2 years ago
Other questions:
  • Pie divided by 6 is the reference angle for what?
    6·2 answers
  • 50 POINTS PLEASE HELP ME!!!!!!!! HURRY!!!!<br><br> 17. Evaluate<br><br> 6!<br><br> 8P5<br><br> 12C4
    12·1 answer
  • The problem involves empirical probability. The table shows the breakdown of 95 thousand single parents on active duty in the U.
    6·1 answer
  • Determine the domain and range of f(x) = |2x + 1|
    5·1 answer
  • The sides of rectangle feild (x+3)m and (x+7)m find the area of the feild
    7·1 answer
  • A coed little league team had 18 players. Even though it was raining, half the girls and one third of the boys showed up for a g
    5·1 answer
  • Market so seven oranges for $2.45 how much would 8 oranges cost
    14·1 answer
  • Do) 6. The height of a cylinder is 5 centimeters. The circumference of the
    7·1 answer
  • Sayyida has a circular garden of radius 21m. She ran round the garden twice. what distance did she cover?​
    6·1 answer
  • REARRANGE EQUATIONS PLEASE HELP ITS DUE IN TOMORROW
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!