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il63 [147K]
3 years ago
11

1)

Mathematics
2 answers:
algol [13]3 years ago
7 0

y/9 = 4 2/3

y/9 =(3*4 +2)/3  mixed number

y/9=14/3

multiply by 9

y = 14*9/3

y = 42

Choice D


z/12 = 6 3/4

z/12 = (6*4+3)/4  mixed number

z/12 = 27/4

multiply by 12

z = 27*12/4

z=81

Choice C


Solnce55 [7]3 years ago
5 0

Answer:

1. C.    2.  D.  

Step-by-step explanation:


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mihalych1998 [28]

Answer: [-1/8, infinity) , {x | X greater than or equal to -1/8}

Step-by-step explanation:

Domain is what x can be. Thus, in the function f(x), we place limits such as x cannot make the square root a negative number because then it would not be a real number. Thus 8x+4-3 can be simplified to 8x+1. Setting this to 0, we get 8x+1=0 which solves out to x cannot equal -1/8. Thus, x can equal and be greater than -1/8.

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4 years ago
If you know the sine value for a given angle, how can you quickly find the cosecant value for that same angle?
pogonyaev

Answer:

See below

Step-by-step explanation:

Remember the quotient identity \csc\theta=\frac{1}{\sin\theta}, so you need to take the reciprocal of the sine value for the given angle in order to get the cosecant value for that same angle.

3 0
2 years ago
Help me with my math quiz from friday 4/1 <br> SHOW STEPS
malfutka [58]

Hie!! I will be solving the questions in the sequence of the attachments.

_______________________________________

4. As line SU and TV are intersecting each other at O.

A.T.Q, ∠UOV = (7x - 4)°

∠SOT = 87°

Then, ∠UOV = ∠SOT {Vertically Opposite Angles}

\rightarrow\sf{7x - 4=87}

\rightarrow\sf{7x =87+4}

\rightarrow\sf{7x =91}

\rightarrow\sf{x =\frac{91}{7}}

\rightarrow\boxed{\bf{x =13}}

_______________________________________

5. radius = 17ft

circumference of circle = 2πr

\rightarrow\sf{circumference=2\times\frac{22}{7}\times17}

\rightarrow\boxed{\bf{circumference=106.8ft}}

_______________________________________

3. ∠1 and ∠2 - add to 180 (linear pair)

∠1 and ∠3 - equal (Vertically Opposite Angles)

∠3 and ∠4 - add to 180 (linear pair)

∠2 and ∠4 - equal (Vertically Opposite Angles)

_______________________________________

2. 160° + (6x - 16)° = 180° (linear pair)

\rightarrow\sf{6x - 16 = 180-160}

\rightarrow\sf{6x - 16 = 20}

\rightarrow\sf{6x = 20+16}

\rightarrow\sf{6x =36}

\rightarrow\sf{x =\frac{36}{6}}

\rightarrow\boxed{\bf{x =6}}

8 0
2 years ago
At the store, 10 ounces of candy cost $3.20. How many ounces can you get for $1?
mash [69]

Answer:

3.125 ounces

Step-by-step explanation:

10/3.20=3.125

8 0
3 years ago
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