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Nutka1998 [239]
3 years ago
15

What is the measure of the complement of a 10 degree angle

Mathematics
2 answers:
tatiyna3 years ago
6 0
Complimentary angles total 90 degrees.
so the answer is 90- 10= 80 degrees
Neko [114]3 years ago
3 0
80 degrees. Hope this helps :)
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Ratling [72]

Answer:

sqrt(x^2+y^2)

Step-by-step explanation:

x^2+y^2=z^2 (Pythagorean theorem)

sqrt(x^2+y^2)=sqrt(z^2)

sqrt(x^2+y^2)=z

3 0
2 years ago
2. Lara collects shark's teeth. She has 72 teeth. She wants to put them in special cases. Each case can hold 10 teeth. How many
kozerog [31]

Answer:

Lara should buy 8 boxes

Step-by-step explanation:

To start we would need to do

72/10

since 72 isn't a multiple of ten we can round it down to 70, then do

70/10=7

since we still have two teeth, we can put them in their own box so

7+1=8

8 0
3 years ago
A psychological researcher did a study with a sample of 84 boys and found that the meam length of time that they remained engage
Varvara68 [4.7K]
Sample size= n= 84
sample mean= x = 107 s
population standard deviation =σ= 11.7

As, population standard deviation is given so we use the estimate:
                             x(+/-) z(α/2)(σ/√n)

At 99% Confidence interval means significance level is α=1-0.99= 0.01
So,
α/2=0.005
Now, z at α/2=0.005 
z= 2.576
Now, by putting values 
                               107(+/-)((2.576)(11.7/√84)) 
              ( 107-((2.576)(11.7/√84)), 107+((2.576)(11.7/√84))  )    
               (103.7, 110.288)                      


                                         
4 0
3 years ago
kim owes $870.00 on her mastercard account. She returns two items costing $35.90 and $150.00 and receive credits for these on th
julsineya [31]

Answer:

She has 499.3$

Step-by-step explanation:

870+35.90+35.90+150-82.50-10-500

7 0
3 years ago
In ΔEFG, the measure of ∠G=90°, the measure of ∠F=38°, and FG = 6.7 feet. Find the length of EF to the nearest tenth of a foot.
Verizon [17]

Answer:

8.5

Step-by-step explanation:

4 0
3 years ago
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