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
allsm [11]
3 years ago
7

. In the 1980's it was generally believed that congenital abnormalities affected about 5% of the nation's children. Some people

believe that the increase in the number of chemicals in the environment has led to an increase in the incidence of abnormalities. A recent study examined 384 children and found that 46 of them showed signs of an abnormality. Is this strong evidence that the risk has increased?

Mathematics
1 answer:
mash [69]3 years ago
7 0

Answer:

the answer is solved in the image below.

Step-by-step explanation:

You might be interested in
What are the center and radius of the circle defined by the equation x^2 + y^2 -6x + 4y + 4=0
Sloan [31]

The equation of a circle:

(x-h)^2+(y-k)^2=r^2

(h, k) - a coordinates of the center

r - a radius

x^2+y^2-6x+4y+4=0\ \ \ |-4\\\\x^2-2\cdot x\cdot3+y^2+2\cdot y\cdot2=-4\ \ \ |+3^2\ |+2^2\\\\\underbrace{x^2-2\cdot x\cdot3+3^2}_{(a-b)^2=a^2-2ab+b^2}+\underbrace{y^2+2\cdot y\cdot2+2^2}_{(a+b)^2=a^2+2ab+b^2}=-4+3^2+2^2\\\\(x-3)^2+(y+2)^2=3^2

Answer:

the center: (3, -2)

the radius: 3

5 0
3 years ago
Explain to me in words how you would find the slope of this line and then tell me the answer and how u got it
Serga [27]

Explanation:

The slope of the line is found by the method: rise/run

You calculate how much the slope rises(goes up) and divide it by run(goes horizontal).

One more thing to note is that: the slope is negative BECAUSE ITS DECREASING.

Your answer:   -3/2

4 0
3 years ago
Write 215 as a product of its prime factor
Zanzabum

Answer:

Since, the prime factors of 215 are 5, 43. Therefore, the product of prime factors = 5 × 43 = 215.

Step-by-step explanation:

may this answer is helpful for you

6 0
3 years ago
Read 2 more answers
What is 645 round to the nearest ten
madreJ [45]
The answer is 650 have a nice day
3 0
2 years ago
Read 2 more answers
Rwqeewrtwewteytry433ertetweweew44trew5532523523532twettruerwetwewe
Leokris [45]

Answer:

what is this

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Other questions:
  • Which formula can be used to find the ninth term of a geometric sequence where the first term is 8 and the common ratio is -3
    8·1 answer
  • which polynomial represents the sum below? (3x^2+3) + (3x^2+x+4) A) 6x^2+x+12 B) 9x^2+x+7 C) 6x^@+x+7 d)9x^2+x+12
    9·1 answer
  • Solving Systems of Linear Equations by Graphing 10 POINTS!!!!!!!!!! Its not much but I just help not for points are u the same!
    13·1 answer
  • Devaughn's age is two times Sydney's age. The sum of their ages is 72 What is Sydney's age?
    10·1 answer
  • ajoke needs 400000 for her tuition. if her bank gives a 9% 180 day loan notes, with interest compounded daily, what would she ow
    5·1 answer
  • Thanks for the help guys
    6·2 answers
  • Plz help me thankyou:))))))
    13·2 answers
  • Solve x2 – 8x + 15 &lt; 0.<br><br> Select the critical points for the inequality shown.
    11·1 answer
  • Solve for X.<br><br><br> HELP PLEASE!!! ASAP
    10·2 answers
  • Please help!!! Thank you!!!
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!