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
Nataly_w [17]
2 years ago
10

The diameter of a birch tree is proportional to its age. Use the graph to determine how long it takes for a birch tree to reach

a diameter of 42 inches.
It takes about ____
years.

Mathematics
2 answers:
love history [14]2 years ago
5 0

Answer:

12 years

Step-by-step explanation:

slope= y2-y1/x2-x1

(2,7), (0,0)

7-0/2-0

7/2

y= 7/2x

42= 7/2x

x= 12

JulijaS [17]2 years ago
3 0

Answer:

No answers here.

Step-by-step explanation:

But let me guess this is from Ms. Wong?

You might be interested in
a musician increases the wavelength of the sound waves she produces without changing their speed. What must be happening to thei
Ilya [14]
Longer wavelength means lower frequency (lower pitch)
7 0
3 years ago
When determining how well an observed set of frequencies fits an expected set of frequencies, what is the test statistic
sergij07 [2.7K]

Answer: \chi^2 test statistic.

Step-by-step explanation:

The chi-square (\chi^2  ) test is a non-parametric statistical test(also known as Goodness of fit test) which is used to determine if a distribution of observed frequencies differs from the expected frequencies.

Chi-square statistic uses either nominal (categorical) or ordinal level data.

Hence, When determining how well an observed set of frequencies fits an expected set of frequencies, the test statistic is \chi^2 test statistic.

6 0
3 years ago
George has 750 milliliters of water. How many liters is this?
Svetlanka [38]
There are 1000 milliliters per liter, so...

750 ml x 1 liter/1000 ml =
750/1000 = .75 liters
5 0
3 years ago
a book charges a member fee of $15.Each book costs $2 to buy .Write an expression that represents the amount a customer spends f
AleksandrR [38]
2b+15
2 dollars for each book so you multiply it by the number of books and add 15 because it is a one time fee.
4 0
3 years ago
Fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial. $\[x^2 + 22x + \under
saw5 [17]

Answer:

$\[x^2 + 22x + 121\]$

Step-by-step explanation:

Given

$\[x^2 + 22x + \underline{~~~~}.\]$

Required

Fill in the gap

Represent the blank with k

$\[x^2 + 22x + k\]$

Solving for k...

To do this, we start by getting the coefficient of x

Coefficient of x = 22

<em />

Divide the coefficient by 2

Result = 22/2

Result = 11

Take the square of this result, to give k

k= 11^2

k= 121

Substitute 121 for k

$\[x^2 + 22x + 121\]$

The expression can be factorized as follows;

x^2 + 11x + 11x + 121

x(x + 11)+11(x+11)

(x+11)(x+11)

(x+11)^2

<em>Hence, the quadratic expression is </em>$\[x^2 + 22x + 121\]$<em></em>

8 0
3 years ago
Read 2 more answers
Other questions:
  • *PLEASE HELP ASAP*
    10·1 answer
  • Need to know the answer to the problem
    5·1 answer
  • A function is a rule that assigns each value of the independent variable to exactly one value of the dependent variable. True or
    6·2 answers
  • Line l has a slope of 1.2. What is the slope of line p that is parallel to line l
    11·1 answer
  • If a price decreases by 20% I can calculate 20% of the price and subtract it from the original price or I can calculate it in on
    9·1 answer
  • Can someone awnser this 15 7x=105
    14·1 answer
  • Maggie had 20 apples and she gave 8 to her mom 7 to her dad and 2 to her sister how many apples does Maggie have?
    9·1 answer
  • Solve the inequality and enter your solution as an inequality comparing variable to solution-31&gt;x-48
    12·1 answer
  • Will give correct answer brainliest​
    14·1 answer
  • Tyler says there are indefinitely many additional numbers between 0 and 1 do you agree
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!