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3 years ago

Identify the graph as eIdentify the graph as either y = cos x or y = sin x

Mathematics

1 answer:

serious [3.7K]3 years ago

4 0

From the graph at x = 0, y = 0

Check1:
y = cosx

0 = cos(0)
0 = 1

therefore, this is not the function

Check2:
y = sinx
0 = sin(0)
0 = 0

therefore, this is the function

Conclusion:

the function in the graph is y = sinx

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Please help solve for angles Q X and Z

Iteru [2.4K]

Answer:

125

Step-by-step explanation:

Sum of Exterior Angles must add to 360 so

$60 + 70 + 40 + 65 + x = 360$

$235 + x = 360$

$x = 125$

6 0

3 years ago

Please help worth a lot of points !!! Find the measure of show your work

VashaNatasha [74]

Answer:

∠AEB = 72°

Step-by-step explanation:

Finding x

∠AEB = ∠DEC (Vertically opposite angles)
7x - 5 = 2(4x - 8)
7x - 5 = 8x - 16
8x - 7x = -5 + 16
x = 11

Finding ∠AEB

7x - 5
7(11) - 5
77 - 5
∠AEB = 72°

6 0

2 years ago

There are 32 students in the orchestra and twice that number in the band. There are 19 boys and 11 girls in the choir. If each s

Mnenie [13.5K]

The addition is one of the four fundamental mathematical operations, the others being subtraction, multiplication, and division. The total number of students that are in the orchestra, the band, and the choir is 126.

<h3>What is Addition?</h3>

The addition is one of the four fundamental mathematical operations, the others being subtraction, multiplication, and division. When two whole numbers are added together, the total quantity or sum of those values is obtained.

There are 32 students in the orchestra and twice that number in the band. Therefore the number of students in the band is:

Number of students in band = 2 (Number of students in Orchestra)

= 2 × 32 = 64

The number of students in the Choir is the sum of the number of boys and girls. Therefore, the number of students in the Choir is,

Number of students in the Choir = 19 + 11 = 30

Total number of students = 32 + 64 + 30 = 126

hence, the total number of students that are in the orchestra, the band, and the choir is 126.

Learn more about Addition:

brainly.com/question/14092461

#SPJ1

7 0

2 years ago

How do u solve 2x+15=1

pickupchik [31]

You would subtract 15 on both sides and then you would have 2x=-14 then you divide both sides by 2 and x would equal -7

8 0

3 years ago

Read 2 more answers

A crew will arrive in one week and begin filming a city for a movie. The mayor is desperate to clean the city streets before fil

Zigmanuir [339]

Answer:

See below in bold.

Step-by-step explanation:

You work in fractions of the city streets done per hour:

1/200 + 1/400 = 1 /x where x is the number of hours taken by 2 teams.

Multiply through by the LCM 400x:

2x + x = 400

3x = 400

x = 133.33 hours.

As there are 168 hours in a week they will have enough time.

6 0

4 years ago