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
kifflom [539]
3 years ago
5

Find the areas of the trapezoids.

Mathematics
1 answer:
IceJOKER [234]3 years ago
5 0

Answer:

30 units^2

Step-by-step explanation:

The area of a trapezoid is

A = 1/2 (b1+b2)h

The scale is 2 units per line

b1 = 2 units

b2 = 8 units

h = 6 units

A = 1/2 ( 2+8) * 6

   = 1/2 (10)6 = 30 units^2

You might be interested in
TIME REMAINING
ExtremeBDS [4]
9 because 9x3=27 or 27/3=9
5 0
3 years ago
Read 2 more answers
A model rocket is launched with an initial velocity of 200 ft per second. The height h, in feet, of the rocket t seconds after t
Solnce55 [7]

Answer:

2.10 s, 10.40 s.

Step-by-step explanation:

We know that the height of the rocket is given by the function:

h=-16t^2+200t

We are asked to find the time for which the height of the rocket will be 350 ft. So, for that moment, we know the height but we don't know the time; however, we know that the equation can help us to find the time, doing h=350:

350=-16t^2+200t

The last is a quadratic equation, which can be put in the form at^2+bt+c=0 and solved applying the formula:

t=\frac{-b+-\sqrt{b^2-4ac} }{2a}

So, let's put the equation on the form at^2+bt+c=0 adding 16t^2 and subtracting 200t to each side of the equation; the result is:

16t^2-200t+350=0

So, we note that a=16, b=-200, and c=350.

Then,

t_1=\frac{200-\sqrt{200^2-4*16*350} }{2*16}=2.10

t_2=\frac{200+\sqrt{200^2-4*16*350} }{2*16}=10.40

According to the equation, that are the times for which the height will be 350 ft; that is because the rocket is going to ascend and then to fail again to the ground.

4 0
3 years ago
1. A study of college freshmen found that students who watched TV for more than one hour each night gained 15 pounds in the firs
umka21 [38]

Answer:

C.  They most likely used an observational study asking students to keep track of their TV habits and weight.

A.  This is an experiment because a treatment was applied to a group.

Step-by-step explanation:

According to our question:

1. The study concluded that there is a relation between watching TV and the weight gain in college freshmen.

Now, this is possible when a group of college students were asked to participate to watch TV for more than 1 hour for a specific amount of time and have a record of their weights.

So, the study is an observational study where the habits and weights of college students were observed.

Hence, option C is correct.

2. The students were divided onto two groups where one group used the computer program and the other did not to check the improvement in the reading levels.

This means that the students were given a procedure to follow during the study in order to see the results..

So, the study is an experiment where a treatment is applied to the group of students.

Hence, option A is correct.

8 0
3 years ago
Read 2 more answers
carly tutors stufents in math on the weekends and offers both thirty minute and sixtyminute sessions she earns $15for each thirt
Ronch [10]

Answer:

X=7

Step-by-step explanation:

7*15=105 7-2=5 5*25=125 125+105=230

6 0
3 years ago
Look at the picture below and answer the question that is being asked
IrinaVladis [17]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • A pile of sand in the shape of a cone has a diameter of 8 in. and a height of 5 in.
    11·1 answer
  • Suppose H,K C G are subgroups of orders 5 and 8, respectively. Prove that H K = {e}.
    11·1 answer
  • 9.
    9·1 answer
  • NEED ANSWER ASAP <br> MARKING BRAINLIEST
    11·1 answer
  • 6/5 sums in simplest form​
    15·2 answers
  • Sup help me plz owo owo
    6·2 answers
  • SOSOSOSOSOSOSOSOSOSOSOS
    5·2 answers
  • Which of the following functions has the steepest slope
    7·1 answer
  • Which is the coefficient in the expression 7x + 14?
    10·1 answer
  • Circle E has a radius of 4.9 meters. FG is a chord and His a perpendicular bisector of FG. If FG
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!