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REY [17]
3 years ago
13

I will rate you brainliest

Mathematics
2 answers:
Eva8 [605]3 years ago
5 0

\dfrac{{x+4\over2}}{{x^2-16\over3}}

=\dfrac{3(x+4)}{2(x+4)(x-4)}=\frac{3}{2(x-4)}

but in original fraction, denominator can't be zero so we have to exclude x=±4

do that answer is D

IgorC [24]3 years ago
3 0

Answer:

D) 3/2(X-4)

Step-by-step explanation:

Invert and multiply to get:

3(x+4)/2(x²-16)

factor the bottom

3(x+4)/2(x+4)(x-4)

The (x+4)’s cancel out, and you’re left with

3/2(X-4)

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Anthony has a sink that is shaped like a half-sphere. The sink has a volume of 3000
IgorLugansk [536]

Answer:

a) 80
b) 56

Step-by-step explanation:

a) Calculate the volume of the the cup using volume of cylinder equation: V = \pi r^{2} h

Where V = Volume, r=radius, and h=height. Your answer should be in cubic inches (in^3).
You're given diameter, so use equation d/2  = r to find radius.
Substituting these equations will give you: V = \pi (d/2)^2 h
However, the given volume of the sink is 3000\pi, meaning that you should modify your results to match this value. Do not substitute \pi for 3.14..., leave it as a symbolic value. Your final V of the cup should = 37.5 \pi
Divide the volume of the sink by the volume of the cup. This number will be the amount of cups needed to empty it. In equation form:
Vsink / V cup = # of cups.
Note the the \pi will cancel each other out, so there's not need to factor that in.
b) Repeat the steps above with the new d (diameter) value.

5 0
2 years ago
Which descriptions from the list below accurately describe the relationship between AQRS and ATUV? Check all that apply. 284 -28
ololo11 [35]

Answer:

All A to D

Step-by-step explanation:

The attachment completes the question

From the attachment,

  • it can be seen that QRS and TUV are of the same i.e. triangles

Also, from the attachment, the sides of each are:

RQ = UT = 22

QS = TV = 30

RS = UV = 23

And the angles are:

\angle Q = \angle T = 50

\angle R = \angle U = 83

\angle S = \angle V = 47

The above show that QRS and TUV are:

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3 0
3 years ago
Select the two pairs of figures that are similar
nalin [4]

A


Step-by-step explanation:

Similar means same shape they don't have to be the same size

7 0
3 years ago
Read 2 more answers
Help me pleaseeeeeeeeeeeeeeeeeeeee
NARA [144]
14.

1. 7 × 7 = 49
2. 7 × 3 × 3 = 63
3. 7 × 3 × 4 = 84
4. 7 + 3 + 4 = 14

Hope that helps! Feel free to ask for a more explanation, if needed.
8 0
3 years ago
Nancy and Linda go to there favorite restaurant. Nancy has a $5 off coupon to use for her purchase of $30. Linda has a 10% off c
Rasek [7]

Answer:

40 i think i hope i helped

Step-by-step explanation: 30+25=55 10+5=15 15-55=40

3 0
3 years ago
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