What is the surface area of this rectangular pyramid?3 cm
D
4 cm
4 cm
square centimeters
Submit
??

Answers

Answer 1

Answer: Pretty sure it’s 42.5 cm.

Related Questions

Please help with this, 20p
How to change1.333 to a percent
Find the unknown marked angles
Subtracting 3xy2 from 8xy2 gives the same result as the expression. A. 3xy^2 - 8xy^2 B. -7xy^2 - 2xy^2 C. 7xy^2 - 2xy^2
You and your friend are rolling number cubes. Each cube has 6 sides with the numbers 1 to 6. If a sum of 7 is rolled, your friend gets a point. However, you get a point if either one of the sums listed below is rolled. Which pair of numbers would make the game fair?

What is the solution to 2x+5>3x+1

Answers

   2x + 5 > 3x + 1
- 2x     - 2x
   5 > x + 1
   - 1 - 1
   4 > x
   x < 4

The solution is 4>x Because you subtract 1 from both sides and you subtract 2x from both sides and you get x<4 or 4>x

Which of the following represents the measure of all angles coterminal with 418° angle?

Answers

The correct answer is:

58+360n, for any integer n.

Explanation:

412° is more than 360°, which is a full circle. To find the smallest angle that is coterminal with 412°, we subtract 360° from it:
412-360 = 58°

This means that 58° is the smallest coterminal angle with 412°.

Every whole circle added on to this will also be coterminal with it. Again, a whole circle is 360°; this means that every 360° increment that is added to 58° will be coterminal with it.

To represent multiples of 360, we write 360n. Adding this to our original angle, we have 58+360n.

This works for positive and negative numbers; for example, if you use n = -1:

58+360(-1) = 58-360 = -302

Graphing this angle, we would go counterclockwise from the positive x-axis; we would land at 58°, so it would still be coterminal with 412°.

418° is the same angle as 360° + 58° .

And then, if you add any whole number of 360s onto it,
you get the same angle again.

So it's 58+360n with n=any whole number
(n=0 doesn't work, so it's not 'integer'. '0' is an integer.)

Which of the following best describes the equation below? A. linear B. both linear and nonlinear C. neither linear nor nonlinear D. nonlinear

Answers

Answer:

Where is the equation at

The average of the weights of six people sitting in a boar is 145 pounds. After a seventh person gets into the boat, the average of the weights of all seven people in the boat is 147 pounds. What is the weights ( in pounds ) of the seventh person ?a) 160, b) 159, c) 155, d) 149, e) 147

Answers

Weight :

⇒ x for 6 people
⇒ y for the 7th person

$x/6=145 \n (x+y)/6=147 \n \n x=145*6 \n x=870 \n \n x+y=1029 \n \n 870+y=1029 \n y=1029-870 \n y=159$

The correct answer is B).

x - weight of six people
y - weight of 7th person

$(x)/(6)=145\n (x+y)/(7)=147\n\n x=870\n x+y=1029\n\n 870+y=1029\n y=159\ lb\Rightarrow B$

Andre received $60 for his birthday and put it in his piggy bank. Each week, he puts 3 more dollars in his bank. The amount of money in dollars D in his bank is given by D = 3w + 60 where w is the number of weeks he has saved 3 dollars. His sister Lana helped him find how much money he will have after 4, 15, 20, and 36 weeks. This table shows her results. What is the rate of change using Lana’s values for D and w? Is this a linear model or non-linear model?

W 4 weeks 15 weeks 20 weeks 36 weeks

D D= 3w =60 D = 3w + 60 D = 3w + 60 D = 3w + 60
= 3*4 +60 = 3 * 15 = 3 * 20 + 60 = 3 * 36 + 60
= 12 + 60 = 45 + 60 = 60 + 60 = 108 + 60
= 72 = 105 = 120 = 168
A.
The rate of change varies. It is a linear model.

B.
The rate of change varies. It is a non-linear model.

C.
The rate of change is . It is a linear model.

D.
The rate of change is 3. It is a linear model.

Answers

The answer is D. The rate of change is 3. It is a linear model.

The original equation D = 3w + 60 is in the form y = mx + b, in which m is always the rate of change. In this case, m = 3, so the rate of change is 3.

Also, when the rate of change is constant, the equation is always linear. If the equation was plotted on a coordinate plane, it would create a straight line.

D. The rate of change is 3. It is a linear model.

Write an equation in point slope form of the line passes through the point (0,2) and has a slope of m=4