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igomit [66]
3 years ago
13

Can anyone help with these 4 questions?

Mathematics
2 answers:
Zepler [3.9K]3 years ago
7 0
1. 60°
2. 120°
3. 96°
4. 90-50=40°

4 is a complimentary angle
Mnenie [13.5K]3 years ago
3 0

Answer:

hablas español?? Si o no ?

You might be interested in
Trigonometry
Sunny_sXe [5.5K]

Answer:

cosx = sqrt(15)/4, -sqrt(15)/4

Step-by-step explanation:

cos²x = 1 - sin²sin x

cos²x = 1 - (1/4)²

cos²x = 15/16

cosx = sqrt(15)/4, -sqrt(15)/4

5 0
3 years ago
The population of Jacksonville in 2018 is estimated to be 19,000 people with an annual rate of increase of 3.4%. Which equation
Umnica [9.8K]

Answer:

P=19,000(1.034)^{t}

Step-by-step explanation:

Let

P-------> the population of Jacksonville

t----> the number of years since 2018

we know that

The equation that models the population of Jacksonville in t years is

P=19,000(1+r)^{t}

we have

r=3.4\%=3.4/100=0.034

substitute

P=19,000(1+0.034)^{t}

P=19,000(1.034)^{t}

4 0
2 years ago
Write the equation x = -2/7y + 3/4 in standard form
babunello [35]
Standard form is presented as Ax + By = C

all you need to do here is move the y value over to the side with the x value.

so,

x + 2/7y = 3/4
3 0
2 years ago
80% of the six graders at Harrison middle school Are going on a field trip to the museum there a total of 685 students in six gr
irga5000 [103]
80% converted to a decimal is 80/100=0.8

Multiply the total with the percent 685*0.80

The answer is 540
8 0
3 years ago
A customer buy's 5 books at a bookstore for a total cost of 65$. If all the books cost the same amount, how much does 1 book cos
Gnesinka [82]

Answer: each book costs $13

Step-by-step explanation:

dividing 65 by 5 gets the answer

3 0
3 years ago
Read 2 more answers
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