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mash [69]
3 years ago
10

Plsss guyss help with this

Mathematics
1 answer:
Fofino [41]3 years ago
6 0

Answer:

360 cm^2.

Step-by-step explanation:

Area of the base = 10*10 = 100 cm^2.

We find the slant height of the sides using Pythagoras:

h = sqrt ( 12^2 + 5^2)

h = sqrt 169

h = 13.

Area of the triangular sides = 4 * 1/2 * 10* 13

= 260 cm^2

So the total surface area = 100 + 260

= 360 cm^2.

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What’s 5x8-6+5x7 divided by 4
olga nikolaevna [1]

Answer:

17.25

Step-by-step explanation:

5x8-6+5x7 = 69

69 / 4 = 17.25

3 0
3 years ago
I don’t know how to set this up
kodGreya [7K]

Answer:

9

Step-by-step explanation:

Set it up as the following -

3:8 = x:24.

Now cross multiply - 3 * 24 = 8x

72 = 8x

Now divide both sides by 8.

9 = x

4 0
3 years ago
A train travels 95 kilometers in 1 hours, and then 97 kilometers in 1 hours. What is its average speed?
aleksandrvk [35]
Average speed is given by [Total Distance] ÷ [Total Time]

Average speed = \frac{95+97}{1+1} = \frac{192}{2}=96 km/hour
8 0
3 years ago
Please help me. I'm stupid.
Gwar [14]

Answer:

\displaystyle 36\:units

Step-by-step explanation:

Split up this Isosceles, Right Triangle into two congruent smaller right triangles. The reflexive side [the line that splits them apart] is 6 units, and both legs are 8 units, leaving the hypotenuses to AUTOMATICALLY be 10 units, according to the Pythagorean Theorem:

\displaystyle a^2 + b^2 = c^2 \\ \\ 6^2 + 8^2 = 10^2 \\ \\ 36 + 64 = 100 \\ \\ 100 = 100

With this Pythagorean Triple, we know that our dimensions are correct. Now, to find the perimeter, just add up all the sides EXCEPT for the divider:

\displaystyle 2[10] + 2[8] = 20 + 16 = 36

I am joyous to assist you anytime.

3 0
3 years ago
What is the volume of the triangular prism in cubic centimeters?
Misha Larkins [42]

Answer:

b because it just is

Step-by-step explanation:

4 0
2 years ago
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