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Vladimir79 [104]
2 years ago
8

Please help using the picture below I need the surface area I also need an explanation

Mathematics
1 answer:
Taya2010 [7]2 years ago
6 0

Answer:

155

Step-by-step explanation:

5*5=25

((5*13)/2)*4=130

130+25=155

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Find the length of side w.
9966 [12]

Hey there! I'm happy to help!

To find this other side given an angle and a side, we will use a trigonometric function. The three basic ones are sine, cosine, and tangent. You can remember these and what what they are using the mnemonic "soh cah toa".

SOH: Sine= Opposite/Hypotenuse

CAH: Cosine= Adjacent/Hypotenuse

TOA: Tangent= Opposite/Adjacent

We see that the sides involved are the opposite and hypotenuse.

Therefore, we can write this equation.

sin40= w/28

We multiply both sides by 28 to isolate the w.

28×sin40=w

Now, we find the sine of 40 on our calculator and then we multiply it by 28.

w≈18

Therefore, the answer is 18 cm.

I hope that this helps! Have a wonderful day!

4 0
3 years ago
The currency in Peru is Nuevo sole. The exchange rate is approximately $1 to 3 nuevos soles . At this rate, how many nuevos sole
goblinko [34]

Answer:

15 Nuevo soles

Step-by-step explanation:

For every $1 you get 3 Nuevo soles

When exchanging $5 for a foreigner or local with $

Amount of Nuevo soles=3*5=15 Nuevo soles

It means one will receive a maximum of 15 Nuevo soles when he or she exchanges $5.

Therefore, Ans=15 Nuevo soles

6 0
3 years ago
Need help!! This is due before 1:00 please help ASAP!!! Will give brainliest!!
ozzi

Answer:

7. 22 2/5   8. 10 8/10

Step-by-step explanation:

7. 7x3=21 + 7x1/5= 22 2/5

8.  2x5=10 + 2x4/10= 10 8/10

5 0
2 years ago
Given: ABCD is a kite
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If angleb is 120 then AC is 120*2 = 240. 360-240 = 120 , 120/2 = 60 . If AB = 60 , angle adb is 30 and angle bdc is 30. DB is 2 * radius because angleA is 90. So with Pisagor AB = 3 , BC = 3 , AD = 3root3 and DC is 3root3.

Answer is = 6+6root3 = 6(1 + root3)




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How to not get ads on brainly
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Answer:

You buy plans in brainly.

Step-by-step explanation:

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