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gogolik [260]
3 years ago
5

What is the surface area of the regular pyramid

Mathematics
1 answer:
Gemiola [76]3 years ago
7 0
The total area is the sum of the area of the base (65 m^2) and six times the area of one of the triangular sides.  This area (of one side) is (1/2)(base)(height), or (1/2)(5)(12), so the total area of the sides is 6(1/2)(5)(12) = 180 m^2.  Thus, the total area is 65 m^2 + 180 m^2 = 245 m^2.
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For the diagram shown, which angles are alternate interior angles?
Tanya [424]

Answer:

∠3 and ∠5

Step-by-step explanation:

4 0
3 years ago
Solve the following problem. PV=$24,122; n = 70; i = 0.024; PMT ?; PMT = $ (Round to two decimal places.)
Ira Lisetskai [31]

Answer:

The payment per period is $714.82.

Step-by-step explanation:

Given information: PV=$24,122; n = 70; i = 0.024

The formula for payment per period is

PMT=\frac{PV\times i}{1-(1+i)^{-n}}

Substitute PV=$24,122; n = 70; i = 0.024 in the above formula.

PMT=\frac{24122\times 0.024}{1-(1+0.024)^{-70}}

PMT=\frac{578.928}{0.80989084337}

PMT=714.822256282

PMT\approx 714.82

Therefore the payment per period is $714.82.

7 0
3 years ago
Please help!
poizon [28]
The answer is b

x^{2}  - 2x  + 1 + y ^{2}  + 6y + 2
6 0
3 years ago
100 Points <br> Easy question <br><br><br> Topic: Multiplying and dividing fractions
katrin [286]

Answer:

see below

Step-by-step explanation:

The trip takes 2 hours

Stopping every half hour means stopping at 30 minutes, 1 hour, 1.5 hours

We would not stop at 2 hours because we would be done.

One the number line R means rest stops

200 Km /4 means at 50 km, 100 km 150 km and 200 km

The rest stops are at 50 km 100 km 150 km  (the one at 200 is at the end of the trip so it is not a rest stop

We have to stop for gas 3/4 of the way

200 *3/4 = 150 km

We will stop for gas at a rest stop at 150 km

3 0
3 years ago
Read 2 more answers
What is the missing constant term in the perfect square that starts with x^2-12x
Ipatiy [6.2K]

Essentially, we are trying to find the missing constant term of (x - a)^2 (remember that we are subtracting a due to the negative sign in front of the second term). Let's expand this to see what we can work with:

(x - a)^2

  • Set up

x^2 - ax - ax + a^2 = x^2 - 2ax + a^2

  • FOIL and simplify

Now, we know the second term is 12x, so let's set the second term in the polynomial we just found equal to 12x:

2ax = 12x

  • Set up

2a = 12

  • Divide both sides of the equation by x

a = 6

  • Divide both sides of the equation by 2

We have found a = 6. We know the missing constant term is a^2, according to the polynomial we found earlier. Thus, the missing term is:

a^2 \Rightarrow 6^2 = 36


The missing constant term is 36.

4 0
3 years ago
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