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
cluponka [151]
3 years ago
13

Which is an example of an experiment? A. Testing the effectiveness of a new hair product by allowing one group to use it and com

paring results against a group that doesn't use it B. Collecting the cholesterol readings of a group of individuals of a certain age group in a small town C. Calling a sample of registered voters before an election to find out what issues concern them most D. Finding out the number of monthly burglaries of a residential neighborhood for a statistical study for the police
Mathematics
2 answers:
ycow [4]3 years ago
4 0

Answer:

A IS THE ANSWEERRRRRR

Step-by-step explanation:

Bezzdna [24]3 years ago
3 0
A is the answer cause u are testing and comparing
You might be interested in
Give each rate in miles per hour:
DIA [1.3K]

a) 9/212 = #mph

b)0.000142045 Miles / 0.000277778 hours = # mph

Step-by-step explanation:

a) 9/212 = #mph

b)

1)9 inches divide the length value by 63360 is 0.000142045 Miles

2) 1 hour  3600 seconds in ones hour so 1/3600 =0.000277778

3) take miles/hour

0.000142045 Miles / 0.000277778 hours = # mph

6 0
3 years ago
Multiply.<br><br> 3,672 × 4<br> Enter your answer
HACTEHA [7]
The answer is 14,688

8 0
2 years ago
Read 2 more answers
What is the surface area of the prism in square inches?
RUDIKE [14]
<h2>add 60+168+276+304 and you get 810 square inches then add 3+14+8 and equals 835.</h2>
7 0
2 years ago
A rectangular cake has a length of 22 1/2 inches and a width of 10 inches. How many whole, square pieces of cake with side lengt
faltersainse [42]
Well, we need to find the area of the cake.  22.5 times 10 is 225.  That is the area then we need to find the area of each piece of cake.  2.5 times 2.5 is 6.26.
so divide the area of the cake by the area of each piece to find how many pieces can be cut.
225/6.25=36  36 pieces of cake can be cut from the cake
5 0
3 years ago
What is the solution to the system of equations?
Tatiana [17]
If you would like to know the solution to the system of equations, you can do this using the following steps:

y = –5x + 3
<span>y = 1
</span>_______________
1 =<span> –5x + 3</span> 
5x = 3 - 1
5x = 2    /5
x = 2/5 = 0.4

(x, y) = (0.4, 1)

The correct result would be (0.4, 1<span>).</span>
3 0
3 years ago
Read 2 more answers
Other questions:
  • Evaluate 6−b3a 6-b3a<br><br> a.)-3/10<br> b.)2<br> c.)1/10<br> d.)1/2
    13·1 answer
  • Jordan has 4/5 as many DVDs as Joseph. If Jordan has 56 DVDs, then how many does joseph have?
    14·2 answers
  • There are three motors available to repair Ralph’s vacuum cleaner. Motor #1 has a 65% chance of breaking by the end of the week.
    10·1 answer
  • How to change 2% as a decimal
    11·1 answer
  • (-4,-6) and (3,-7) find the distance between each pair of points
    8·2 answers
  • What is it<br> Simplify<br> 5(6-3)+2
    8·2 answers
  • Solve each system of equations by adding.
    15·1 answer
  • Angle C and angle D are complementary. The measure of angle C is (2x)° and the measure of angle D is (3x)°. Determine the value
    15·1 answer
  • Question 3 (1 point) If the following is a rhombus, find the missing measures. Find PQ. PQ=​
    6·1 answer
  • 5.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!