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
Veseljchak [2.6K]
3 years ago
15

Cassandra calculated the total volume of the figure below. A rectangular prism has a length of 7 inches, width of 6 inches, and

height of 7 inches. A rectangular pyramid has a base of 6 inches by 7 inches and a height of 3 inches. Total volume = V of prism – V of pyramid       = Bh - Bh       = (7)(6) (7) – (7)(6)(3)       = 294 – 126       = 168 square inches What mistakes did Cassandra make? Check all that apply. She used square units instead of cubic units. In calculating the volume of the pyramid, she did not multiply by 1/3. She incorrectly identified the shapes composing the total figure. She subtracted the pyramid volume instead of adding it. She should have multiplied the dimensions of the prism by 1/3.
Mathematics
2 answers:
olga2289 [7]3 years ago
6 0
<h2><u><em>- She used square units instead of cubic units.</em></u></h2><h2><u><em>- In calculating the volume of the pyramid, she did not multiply by 1/3.</em></u></h2><h2><u><em>- She subtracted the pyramid volume instead of adding it.</em></u></h2>
RideAnS [48]3 years ago
4 0

Answer:

1,2,4

Step-by-step explanation:

You might be interested in
If ΔABC ≌ ΔRPQ , ∠A = 35˚, ∠C=75˚ , Find the measure of ∠Q. *​
Norma-Jean [14]
<h3>Answer:  angle Q = 75 degrees</h3>

Explanation:

The order of ABC and RPQ is important so we can match up the angles like so

  • angle A = angle R .... first letters
  • angle B = angle P .... second letters
  • angle C = angle Q ... third letters

Meaning that angle Q = 75 since angle C is this measure.

3 0
3 years ago
Read 2 more answers
Anna just accepted a job at a new company where she will make an annual salary of
Pani-rosa [81]
I don’t know I don’t have the smarts for that lol
7 0
3 years ago
please show on graph (with x and y coordinates) state where the function x^4-36x^2 is non-negative, increasing, concave up​
babunello [35]

Answer:

y'' =12x^2 -72=0

And solving we got:

x=\pm \sqrt{\frac{72}{12}} =\pm \sqrt{6}

We can find the sings of the second derivate on the following intervals:

(-\infty Concave up

x=-\sqrt{6}, y =-180 inflection point

(-\sqrt{6} Concave down

x=\sqrt{6}, y=-180 inflection point

(\sqrt{6} Concave up

Step-by-step explanation:

For this case we have the following function:

y= x^4 -36x^2

We can find the first derivate and we got:

y' = 4x^3 -72x

In order to find the concavity we can find the second derivate and we got:

y'' = 12x^2 -72

We can set up this derivate equal to 0 and we got:

y'' =12x^2 -72=0

And solving we got:

x=\pm \sqrt{\frac{72}{12}} =\pm \sqrt{6}

We can find the sings of the second derivate on the following intervals:

(-\infty Concave up

x=-\sqrt{6}, y =-180 inflection point

(-\sqrt{6} Concave down

x=\sqrt{6}, y=-180 inflection point

(\sqrt{6} Concave up

8 0
2 years ago
Y=5/2x -4 how to graph it
Igoryamba

Looking at y=-%285%2F2%29x we can see that the equation is in slope-intercept form y=mx%2Bb where the slope is m=-5%2F2 and the y-intercept is b=0 note: y=-%285%2F2%29x really looks like y=-%285%2F2%29x%2B0

Since b=0 this tells us that the y-intercept is .Remember the y-intercept is the point where the graph intersects with the y-axis

So we have one point  

Now since the slope is comprised of the "rise" over the "run" this means

slope=rise%2Frun

Also, because the slope is -5%2F2, this means:

rise%2Frun=-5%2F2

which shows us that the rise is -5 and the run is 2. This means that to go from point to point, we can go down 5 and over 2

So starting at , go down 5 units

and to the right 2 units to get to the next point  

Now draw a line through these points to graph y=-%285%2F2%29x

So this is the graph of y=-%285%2F2%29x through the points  

Hope this helps

Please give me Brainliest

8 0
3 years ago
The constant term in the numerator polynomial x? - 5x + 7 is 7. If y is the number to be added to the numerator to get the new c
Alecsey [184]

Answer:

objects that absorb all light colours that fall on them.

6 0
3 years ago
Other questions:
  • Please help me!!!!<br> WILL MARK BRAINLYIST
    15·1 answer
  • When converting 750 ounces to pounds what unit would you place in the denominator of your ratio
    9·1 answer
  • Order the group of quadratic functions fro widest to narrowest graph Y= 6x sq Y = -4.5 sq y =-x
    13·1 answer
  • PLEASE HELP DO QUESTION 5 FOR BRAINLEYIST AWNSER.
    7·1 answer
  • )A flower bed is in the shape of a triangle, with a base of 11 feet and a height of 7 feet. What is the area of the flower bed?
    6·2 answers
  • 6x + y = -2<br> y= -3x + 1<br><br> Graph the solution
    14·1 answer
  • Your watch is all screwy. Everyday it gains time in amount of 1 hour and 14 minutes. If you look at your watch at noon on Friday
    7·1 answer
  • I need help pleaseeeeee nowplease
    5·1 answer
  • What’s 25/36 as a decimal and percent please show work
    13·1 answer
  • 1/3 + 2/? = 17/24<br><br> fill in the question mark and answer in message box
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!