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
Alex787 [66]
3 years ago
11

Which of the following changes is a chemical change? A ice me

Mathematics
1 answer:
Talja [164]3 years ago
5 0

Answer:

Step-by-step explanation:

The question got caught off. Can't read any of the other examples. I can tell you though that ice melting is a physical change, not a chemical change.

You might be interested in
What is the perimeter of a square with side length 13.4 inches
Tamiku [17]
P= perimeter. x= # of inches. 4=number of sides in a square
P= 4x

so, P= 13.4 x 4. Therefore, the perimeter is 53.6 inches.
7 0
3 years ago
The sum of Rayson and his brother’s age is 29. If Rayson is 4 years older than his brother 7 years ago. How old is Rayson and hi
Neko [114]

Answer:

16 years, 13 years

Step-by-step explanation:

Let their ages be x, 29-x

Equation formed:-

(x - 7) + 4 = 29 - x

→ 2x = 29 + 3

→ x = 16 years

Answer: 16 years, 13 years

7 0
3 years ago
Use a transformation to solve the equation. –8c = 56 A. c = –48 B. c = –7 C. c = 7 D. c = 48
Kobotan [32]
-8 times -7 equals 56. there for the answer is -7.
7 0
3 years ago
A number hidden by spilt ink multiplied by 12 equals sixteen thousand, eight hundred and thirty-six. Sixteen thousand, eight hun
Nezavi [6.7K]

Answer:

12

Step-by-step explanation:

Assume the hidden number is x;

So, if  x*12= 16,836

Next, divide both sides by 12 to solve for x;

x= 16,836 / 12

x= 1,403

So the number hidden by spilt ink is 1,403.

Next, to answer the question, divide 16,836 by the hidden number,1403;

16,836 / 1403 = 12

Therefore, it will be equal to 12 which is basically the reverse of the first equation.

6 0
4 years ago
in the life of a car engine, calculatedin miles, is normally distributed, with a mean of 17,000 miels and a standard deviation o
Alinara [238K]

Answer:

the guarantee period should be less than 136010 miles

Step-by-step explanation:

From the given information;

Let consider Y to be the life of a car engine

with a mean μ = 170000

and a standard deviation σ = 16500

The objective is to determine what should be the guarantee period T if the company wants less than 2% of the engines to fail.

i.e

P(Y < T ) < 0.02

For the variable of z ; we have:

z = \dfrac{x - \mu }{\sigma}

z = \dfrac{x - 170000 }{16500}

Now;

P(Y < T ) = P( Z < \dfrac{T- 170000}{16500})

P( Z < \dfrac{T- 170000}{16500})< 0.02

From Z table ;

At P(Z < -2.06) ≅ 0.0197  which is close to 0.02

\dfrac{T- 170000}{16500}

{T- 170000}

{T- 170000}< - 33990

{T}< - 33990+ 170000

{T}

Thus; the guarantee period should be less than 136010 miles

4 0
4 years ago
Other questions:
  • PLEASE HELP I REALLY NEED THIS
    13·1 answer
  • Find the degrees of all the sides
    5·1 answer
  • If a fraction has<br> ____ in the denominator, it is undefined.
    12·2 answers
  • NO ONE EVER ANSWERS MY QUESTIONS I NEED HELP PLEASE!!! Given: △KLM LM=12, m∠K=60°, m∠M=45° Find: Perimeter of △KLM. and Given: △
    9·1 answer
  • Write the slope-intercept form of an equation for a line with points (-2,-9) and (0, -5).
    8·1 answer
  • Mary used one big bag of flour. She baked four loaves of bread.​ Then, she used the remaining flour to make 48 muffins. How much
    7·1 answer
  • The process of manipulating one or more independent variables and measuring their effect on one or more dependent variables whil
    12·2 answers
  • Exhibit 13-3 To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been r
    8·1 answer
  • The measurement of angle DBE is 0.1x-33 and the measurement of angle CBE is 0.3x-39 what's the value of x
    12·1 answer
  • Below is a savings plan for Adrienne. Use this table to answer the questions below.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!