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Akimi4 [234]
3 years ago
12

One angle has five times as many degrees as another angle. The greater angle has 120 degrees more than the lesser angle. How man

y degrees are in both angles?
Mathematics
1 answer:
jok3333 [9.3K]3 years ago
5 0

Answer:

b = 30 degrees

a = 150 degrees

Step-by-step explanation:

Let's call <em>a</em> to the first angle and <em>b</em> to the second one. So we have:

a = 5*b  (1)

and it says that the greater angle has 120 degrees more than the lesser angle. So It will be:

a = 120+b (2)

We just need to solve both equations. We can equal both of them.

5b = 120+b

4b = 120

b = 30 degrees

Therefore a = 5*30 = 150 degrees

a = 150 degrees

I hope it helps you!

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On a certain hot​ summer's day, 391 people used the public swimming pool. The daily prices are $1.25 for children and $2.25 for
igomit [66]

Number of adults = 264

Number of children= 127

Step-by-step explanation:

Let the number of adults be......x

Let the number of children be.....y

The total number of people that used the public swimming pool is given as 391. This means

x+y=391

The total cost per the receipt is : $752.75

This means, 2.25 x+ 1.25 y = 752.75

The two equations are;

x+y=391  ...........(i)

2.25 x+ 1.25 y = 752.75...........(ii)

Making the x variable equal to eliminate x

2.25x + 2.25 y = 879.75

2.25x + 1.25 y = 752.75

Apply subtraction as

1.00 y = 127.00

y=127

Use the value of y in equation (i)

x+y=391

x+127=391

x=391-127=264

Number of adults = 264

Number of children= 127

Learn More

Simultaneous equations: brainly.com/question/12318095

Keywords ; public, swiming pool, prices, daily, adults, children, receipt, admission

#LearnwithBrainly

7 0
3 years ago
Find four consecutive even integers so that the sum of the first three is 2 more than twice the fourth
scoundrel [369]

Answer:

The numbers are : -20,-18,-16,-14

Step-by-step explanation:

Let 1st even integer be =x

So, next consecutive even integer would be =x+2

3rd consecutive even integer would be =x+4

4th consecutive even integer would be =x+6

Sum of first three integers would be =x+x+2+x+4=3x+6

It says sum of the first three is 2 more than twice the fourth,

So we have

3x+6=2+4(x+6)

using distribution to simplify.

3x+6=2+(4\times x)+(4\times6)

3x+6=2+4x+24

3x+6=4x+26

Subtracting 4x from both sides

3x+6-4x=4x+26-4x

-x+6=26

Subtracting 6 from both sides

-x+6-6=26-6

-x=20

∴ x=-20

So first integer =-20

2nd integer  =-20+2=-18

3rd integer =-18+2=-16

4th integer  =-16+2=-14

So, the numbers are : -20,-18,-16,-14

4 0
3 years ago
g Define simple random sampling. Choose the correct answer below. A. Simple random sampling is the process of obtaining a sample
swat32

Answer:

C. A sample of size n from a population of size N is obtained through simple random sampling if every possible sample of size n has an equally likely chance of occurring. The sample is then called a simple random sample.

Step-by-step explanation:

Simple Random Sampling is the sampling where samples are chosen randomly, where each unit has an equal chance of being selected in a sample.

Option A is incorrect as the size of the sample and size of the population is not the same generally if it does happen then there will be no difference between sample and population.

Option B is incorrect as Simple Random Sampling is not a chance it is a way that samples can be taken.

Option D is incorrect as when samples are taken using a convenient sample then it is called Convenient Sample, not Simple Random Sample.

Thus, only option C is correct.

3 0
2 years ago
The table shows the package weights and prices of different types of snacks sold at the local supermarket. Which snacks cost the
damaskus [11]

Answer:

75p

Step-by-step explanation:

on edg

5 0
3 years ago
shenika is inviting 7 friends to a party. if each friend will get 5 cookies and each box has 12 cookies. how many boxes does she
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Answer:

Shenika invites 7 friends and each one gets 5 cookies.

= 7*5

= 35

Based on above answer, Shenika will need a total of 35 cookies for all.

-----------------------------------------------------------------------------------------------------------

Each box has 12 cookies.

Total cookies = 35

Let the number of boxes be x.

12*x = 35

x = 35/12

x = 2.9

This means she would need <em><u>3 boxes</u></em>.

8 0
2 years ago
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