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
Maurinko [17]
3 years ago
13

The average Math SAT score of all incoming freshman at a large university is 490. A simple random sample of 200 of these incomin

g freshmen has an average Math SAT score of 495 with a standard deviation of 60. Set up an approximate 95% confidence interval for the average Math SAT score of all incoming freshmen at the university.Select only one of the boxes below.A. It is appropriate to compute a confidence interval for this problem using the Normal curve.B. Making the requested confidence interval does not make any sense.C. The Normal curve cannot be used to make the requested confidence interval.
Mathematics
1 answer:
nika2105 [10]3 years ago
4 0

Answer:

Which is the output of the formula =AND(12>6;6>3;3>9)?

A.

TRUE

B.

FALSE

C.

12

D.

9

Step-by-step explanation:

You might be interested in
Which expression is the same as 10÷4?
Alex777 [14]
The answer would be D because when you divide 10 by 4 you take one fourth out of ten
4 0
3 years ago
Read 2 more answers
What is the length of x? What is the length of EF? Only enter numbers in the answer boxes below:
dimaraw [331]

Focus on triangles DFC and DFE:

  • They are both right triangles because DF is perpendicular to EC
  • DC=DE
  • DF is a common side

So, the two triangles are congruent. It follows that CF=FE, and in particular

8x=3x+15 \iff 5x=15 \iff x=3

And since x=3, the length of EF is

EF=3x+15=3\cdot 3+15=24

7 0
3 years ago
3. What is the scale factor of Figure B to Figure A?
xxMikexx [17]

Answer:

2.5

Step-by-step explanation:

From the diagram, figure B was enlarged to obtain figure A.

The two figures are therefore similar.

The corresponding sides are in the same proportion. That constant value of the proportion is called scale factor.

It is given by:

k =  \frac{image \: length}{corresponding\:object \: length}

Figure B is the image of A

k =  \frac{10}{4}  =  \frac{25}{10}  = \frac{21.5}{8.6} =   2.5

Therefore the scale factor is 2.5

4 0
3 years ago
If the slope of one of these parallel lines is 1.25, the slope of the other line is ___.
oksian1 [2.3K]
1.25 also bc they are parallel
6 0
3 years ago
6x – 3y = 8
Nat2105 [25]

Answer:

Step-by-step explanation:

<em>The linear equation where:</em>

\large \boldsymbol {}  \sf y=\underbrace{m}_{slope }x \ +\underbrace{b} _{y -intersept}

Solution :

\displaystyle \sf \#13. \\\\   6x-3y=8 \\\\\ -3y=8-6x \\\\y=-\frac{8-6x}{3}  \\\\ \boxed{\sf y=2x-2\frac{1}{3} }} \\\\ slope =2 \\\\ y-intersept  =-2\frac{1}{3} \\\\-------------      

 \sf \#14 . \\\\\\ 7x=5y+2 \\\\5y=7x-2 \\\\y =\dfrac{7x-2}{5}  \\\\ \boxed{\sf y=1,4x-0,4} \\\\slope = 1,4 \\\\y-intersept  =-0,4 \\\\---------------  

    \dispalystye \sf \#15. \\\\ -6y+4x=8  \  |\div2 \\\\-3y+2x=4 \\\\ y=-\dfrac{4-2x}{3}  \\\\ y=\boxed{\sf \frac{2x-4}{3} } \\\\slope = \dfrac{2}{3}  \\\\ y-intersept  = -\dfrac{4}{3 }\\\\ -----------------

\sf \#16   .\\\\ x+y=2x+3 \\\\y=2x-x+3 \\\\\boxed{\sf y=1\cdot x+3}  \\\\slope =1 \\\\y-intersept =3

4 0
2 years ago
Other questions:
  • Prime factorization 64 ladder diagram
    6·1 answer
  • What is the sum of 153 and 121
    11·1 answer
  • Please please help!! I'm not sure if I have the right answer!!
    14·2 answers
  • Really don't understand this :/ Please help.
    5·1 answer
  • Find the point of intersection of the two lines y=3x+2 and y=2x-1
    14·2 answers
  • 2. How would you write 1,780/1,000 as a percentage? (write your answering using a percent sign)
    8·2 answers
  • Help plzzzz ............
    10·1 answer
  • What does asap mean like rn and yassss
    12·1 answer
  • Anthony was driving down a road and after 4 hours he had traveled 92 miles. At this
    9·1 answer
  • 158+blank =blank<br> Help me please
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!