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
djverab [1.8K]
3 years ago
9

A random sample of size 25 from a normal population has the mean = 47.5 and the standard deviation s = 8.4. does this informatio

n tend to support or refuse the claim that the mean of the population is = 42.1
Mathematics
1 answer:
Ksenya-84 [330]3 years ago
8 0
What were your given answer choices
You might be interested in
Find the distance CD rounded to the near
DanielleElmas [232]

the distance between cd rounded to the nearest tenth is ≈ 7

4 0
3 years ago
Write the equation for the graph below.<br> PLEASE I NEED HELP !
mrs_skeptik [129]
Y= 1x+ 3
1x is the slope and 3 is the y intercept
I did rise over run to find the slope 3/3=1
Y is 3 because y intercept is when a line go through the y axis and it’s on 3
hope this helps!
5 0
3 years ago
I honestly don't know how I got these answers and I have a test over it coming soon. Please explain how to find the measure of t
Tju [1.3M]
Okay so a couple of things to know to best solve this problem
1) all angles in a triangle add to 180
2) a straight line the angles above it equal 180 and the angles below it add to 180
3) vertical angles are equal (vertical angles are angles that make an X the opposite angles are called vertical angles)
5 0
3 years ago
Read 2 more answers
PLZ HELP! WILL MAKE A BRAINLIST <br>Which types of dilation are the given scale factors?
attashe74 [19]

Answer:

see explanation

Step-by-step explanation:

For a given scale factor k

If k > 1 then expansion

If k < - 1 then expansion in the opposite direction

If 0 < k < 1 or - 1 < k < 0 then contraction

k = - 2 ← expansion in opposite direction

k = 1.5 ← expansion

k = \frac{1}{4} ← contraction

k = - \frac{6}{7} ← contraction

5 0
3 years ago
(2x+0.5)2–(2x–0.5)2 for x=−3.5
kenny6666 [7]
Just substitute wherever x is for example 2 times 3.5
6 0
3 years ago
Other questions:
  • What is 1856.4÷5.2? pls help me!
    9·1 answer
  • Can someone help me idk which one it is ?? <br> A<br> B<br> C<br> D
    10·1 answer
  • Help plzzzzz I need really help
    8·2 answers
  • A class made equal teams of 5 for basketball, and equal teams of 6 for vollyball.
    11·1 answer
  • Gente quanto é
    13·1 answer
  • If side BC is labeled 15 cm, and NL is labeled (x + 8), what is the value of x?
    6·2 answers
  • Write each expression as an algebraic​ (nontrigonometric) expression in​ u, u &gt; 0.
    6·1 answer
  • Δ has vertices (−4,0), (−4,4), and (0,0). Δ has vertices (3,2), (3,−3), and (−2,2). Are Δ and Δ similar? Select the transformati
    12·1 answer
  • Solve the system of equations.<br> -10x+3y=5<br> x=y-4<br> x=<br> y=<br> Show work
    10·1 answer
  • How much should you invest in an account that pays 6% annual interest compounded continuously if you want exactly $8000 after fo
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!