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TEA [102]
3 years ago
10

For each term below, identify the coefficient and the variable.

Mathematics
1 answer:
aliina [53]3 years ago
7 0

Answer:

A.) 6r    

coefficient = 6

variable = r  

B.) 20n

coeffect = 20

variable = n  

C.) y

coefficient = 1

variable = y  

D.) 9trx

coefficient = 9

variable = t, r, and x

Step-by-step explanation:

Coefficient = represented by a number

Variable = represented by a letter

For the third one y is the same as 1y therefore y has a coefficient of 1

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Angle A is circumscribed about circle O what is the length of AB
Nana76 [90]

Answer:

AB \approx 4.054

Step-by-step explanation:

The trigonometric equations associated with the figure are, respectively:

AB = 4\cdot \cos 73^{\circ} + 3\cdot \cos \alpha

4\cdot \sin 73^{\circ} = 3 +3\cdot \sin \alpha

The components with the unknown angle are cleared and used in the fundamental trigonometric relation:

3\cdot \cos \alpha = AB - 4\cdot \cos 73^{\circ}

3\cdot \sin \alpha = 4\cdot \sin 73^{\circ} - 3

9\cdot \cos^{2}\alpha + 9\cdot \sin^{2}\alpha =(AB-4\cdot \cos 73^{\circ})^{2}+(4\cdot \sin 73^{\circ}-3)^{2}

9 = AB^{2}-2.339\cdot AB + 1.368 + 0.681

The following second-order polynomial is presented below:

AB^{2}-2.339\cdot AB -6.951 = 0

Roots of the polynomial are described hereafter:

AB_{1} \approx 4.054 and AB_{2} \approx -1.715

Only the first root is reasonable, as length is a positive variable. The length is AB \approx 4.054.

6 0
3 years ago
CAN SOMEONE PLZ HELP ME I DONT WANNA GET A BAD GRADE
Harman [31]

Answer:

Step-by-step explanation:

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7 0
3 years ago
Which problem can be represented by the equation 49y−8=89?
sasho [114]
The first one is the answer
4 0
3 years ago
Are the two statements equivalent?
stiks02 [169]

Ihopethishelps

Answer:

Yes

Step-by-step explanation:

boys to girls is  3 to 4 or 3:4

girls to boys is 4 to 3 or 4:3

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

The genders are mixed up but the ratios are the SAME or EQUIVALENT.

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

boys 3

girls 4

hopefullythishelpsyou

enjoyyourday

8 0
3 years ago
If m=5 and n = 2, find the value of 3mn
ki77a [65]

Answer:

30

Step-by-step explanation:

3mn=3x5x2=30

8 0
2 years ago
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