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
olga_2 [115]
3 years ago
15

What is the surface area of a square pyramid with a base of 12cm and a slanted height of 8cm?

Mathematics
1 answer:
Anastaziya [24]3 years ago
7 0
Base:
12*12= 144 cm^2

Triangle sides:
12*8/2= 48 cm^2 each

Multiply by 4 because there are four of them
48*4= 192 cm^2

Add the base
192+144=336 cm^2

Final answer: 336 cm^2
You might be interested in
4x - (-6) what’s the answer
OlgaM077 [116]

Answer:

4x + 6

Step-by-step explanation:

If i remember correctly, two minuses make a positive, so -(-6) would turn into +6. I dont think that you can add a number with a variable to a regualar number so the answer is as simplified as it can get. If that one is wrong, try 10x. Hope this helps!

3 0
2 years ago
Sam wants to write an equation to represent a proportional relationship with a constant of proportionality of 6 he write y = 6 +
Olin [163]

Answer:

y = 6x

Step-by-step explanation:

The equation representing a proportional relationship is

y = kx ← k is the constant pf proportionality

Here k = 6 , then

y = 6x ← equation of proportion

7 0
3 years ago
Please Help!
RUDIKE [14]

Answer:

1. this is the definition of a midpoint - bc the definition of a midpoint is: “If a point is a midpoint of a segment, then it divides that segment into two congruent parts” or “If a point divides a segment into two congruent parts, then it's the midpoint of that segment.”

2. this is the division property of equality -"The division property of equality states that when we divide both sides of an equation by the same non-zero number, the two sides remain equal". so, in this situation we want to isolate x which means dividing both sides by 20. This will keep both sides equal just more simplified  ( before, it was 20 and 100, after dividing both sides by 20 it is 1 and 5 which is the same ratio therefore they are still equal)

3. this one's the subtraction property of equality- this property means you can subtract the same number from both sides of an equation and get an equivalent equation. in this situation, they subtracted 15 from both sides to get AB = 30 and it ends being still being equal to AB + 15= 45.

4. this is the symmetric property of equality -  "This property states that if a = b, then b = a. That is, we can interchange the sides of an equation, and the equation is still a true statement." "it states that values are still equal no matter which side of the equal sign they're on." That's why its possible for XY=ST and ST=XY

5. this is definition of congruence - which basically states that if a value of one thing is equal to the value of another thing those two things can be called congruent.

6. this is substitution property- this is the property that allows you to substitute one value for another in an equation. the property states  that if  

x = y, then x can be substituted in for y in any equation, and y can be substituted for x in any equation, just like what they show here with 5AB substituting for CD in the equation.

i hope this helped!   im not that good at explaining so if u have more questions lmk!          

3 0
3 years ago
Estimate how to find 15% tip on $9.79 explain your thoughts
uranmaximum [27]
(15/100) then multiply that with 9.79 and you get $1.4685, which is the answer
5 0
2 years ago
Read 2 more answers
The frequency of vibrations of a vibrating violin string isgiven by
arlik [135]

Answer:a. [tex] $f\propto  L$ [\tex]

b. [tex] f \propto \sqrt{T} [\tex]

c. [tex] f \propto \frac{1}{\sqrt{P}} [\tex]

I. Decrease in length increases leads to increase in pitch.

II. Increase in tension leads to increase in pitch.

III. Increase in linear density reduces the pitch

Step-by-step explanation: I. Since the frequency is inversely proportional to the length increase in length leads to decrease in frequency likewise decrease in length leads to increase in frequency.

II. Since the frequency is directly proportional to the square root of the tension increase in tension leads to increase in frequency likewise decrease in tension leads to decrease in frequency.

III.since the frequency is inversely proportional to the square root of the linear density so increase in linear density leads to decrease in frequency and likewise decrease in linear density leads to increase in frequency.

7 0
3 years ago
Other questions:
  • Joy is planning to purchase a sweater that costs $30 dollars at her local department store. The sweaters are on sale for 20% off
    9·1 answer
  • -1/5, 5/6,1.3,1 1/3, 5/3 -4/3 least to greatest
    14·2 answers
  • What is the slope and the y-intercept of the line on the graph below?
    10·1 answer
  • WILL GIVE THE BRAINLIEST. PLEASE HELP.
    6·2 answers
  • What is the midpoint of the segment shown below?
    11·2 answers
  • Complete the statement if 8 = m/4 then m - 12 =
    12·1 answer
  • Please HELPP!! Find the area of the trapezoid.<br> 6 m<br> 10 m<br> 8 m
    9·2 answers
  • Determine the length of the diagonal side of the roof truss. The height of the roof truss is 6.3m and the full span of the roof
    8·1 answer
  • A car traveling at constant speed traveled 161.5 miles in 3 1/2 hours. What was the car's speed.
    8·1 answer
  • Solve for x. Please look at the picture and answer it. Thank you.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!