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
harkovskaia [24]
2 years ago
10

I think it’s either B or D. Please help

Mathematics
2 answers:
iogann1982 [59]2 years ago
6 0
You gotta chose D that’s your answer
Mrrafil [7]2 years ago
3 0
Answer: D

Explanation: The function is an absolute value function with vertex at (-9,0). The slope of the part with x value greater than -9 is positive, and the slope of the part with x value less than -9 is negative.
You might be interested in
7)<br> Which could be solved for x?<br> 2x+ 2<br> B)<br> 3(x+2)<br> 3x+4<br> 3x=12<br> D
dem82 [27]

Answer:

3x=12

Step-by-step explanation:

x=12/3 => x=4

8 0
2 years ago
How to add a mixed fraction?
kherson [118]
You could add the whole number parts first then add the fractions. Finally  add the 2 results.
5 0
3 years ago
Read 2 more answers
If f(x) = 2x−5, then what is the value of f(2) + f(5)
DochEvi [55]
First of all f(2)=2(2)-5=-1 and f(5)=2(5)-5=5
so
f(2)+f(3)=-1+5=4
7 0
3 years ago
The cone shown has a radius of 5 inches and a slant height of 8 inches. Rounded to the nearest whole number, what is the total s
elena55 [62]
Basically apply your radius and slant height to the formula to find the surface area of a cone which is S=3.14r^2+3.14rl

4 0
3 years ago
Read 2 more answers
A civil engineer is analyzing the compressive strength of concrete. Compressive strength is normally distributed with σ = 31.62
AysviL [449]

Answer:

A sample size of at least 737 specimens is required.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.99}{2} = 0.005

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.005 = 0.995, so z = 2.575

Now, find the width M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

In this problem, we have that:

M = 3, \sigma = 31.62

So:

M = z*\frac{\sigma}{\sqrt{n}}

3 = 2.575*\frac{31.62}{\sqrt{n}}

3\sqrt{n} = 81.4215

\sqrt{n} = 27.1405

n = 736.60

A sample size of at least 737 specimens is required.

6 0
3 years ago
Other questions:
  • HELP ASAP WILL GIVE BRAINLIEST AND 30 POINTS!!!
    5·1 answer
  • Arrange the terms in descending powers of a variable 9 - 12n 2 + 4n 3 - 7n
    5·1 answer
  • jackie drove 7 hours at an average of 60 miles an hour...how far did she travel... pls hurry i need to know soon thx
    7·1 answer
  • Select the correct answer
    9·2 answers
  • Help will mark brainliest.......................................
    6·2 answers
  • 50,000 contestants participate in an on-line game. The game randomly eliminates 20% of the contestants each day. Determine the n
    11·1 answer
  • One number is four less than a second number. Four times the first is 14 more than 5 times the second. Find the numbers.
    10·1 answer
  • If f(x) = 629x, what is f(0)?
    11·2 answers
  • Help pls ill give extra points
    15·1 answer
  • Put the numbers in order from least to greatest. 4, -7, -8, 6, 1, 0
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!