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Snezhnost [94]
3 years ago
6

Help me with this plz

Mathematics
1 answer:
Flauer [41]3 years ago
7 0

Answer:

hhhhhhhhhhhhhhhhhhhhhhhhhhhhbbbhhhjjjnnnnnnnnn

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Plsss guyss help with this
Fofino [41]

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.

6 0
3 years ago
Write the expression as either the sine, cosine, or tangent of a single angle. (2 points)
sattari [20]

Answer:

cos(π/3)cos(π/5) + sin(π/3)sin(π/5) = cos(2π/15)

Step-by-step explanation:

We will make use of trig identities to solve this. Here are some common trig identities.

Cos (A + B) = cosAcosB – sinAsinB

Cos (A – B) = cosAcosB + sinAsinB

Sin (A + B) = sinAcosB + sinBcosA

Sin (A – B) = sinAcosB – sinBcosA

Given cos(π/3)cos(π/5) + sin(π/3)sin(π/5) if we let A = π/3 and B = π/5, it reduces to

cosAcosB + sinAsinB and we know that

cosAcosB + sinAsinB = cos(A – B). Therefore,

cos(π/3)cos(π/5) + sin(π/3)sin(π/5) = cos(π/3 – π/5) = cos(2π/15)

8 0
3 years ago
50 points if you can help me #1 #2 #3 go to the graph plz help me
juin [17]

Answer:THERE IZ NO ON DIFFERENCE IN THKSE NUMBERS THEY ARE COMMONLY THE SAME

Step-by-step explanation: HOPE THIS HELPS

6 0
3 years ago
BRAINLIEST!
fiasKO [112]

Answer:

15

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A bag contains seven red balls, five green balls, four yellow balls, and two black balls. A ball is picked at random
RSB [31]

Answer:

50/50 chance a black ball will be picked

8 0
2 years ago
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