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olga_2 [115]
3 years ago
8

Find all excluded values for the expression.

Mathematics
1 answer:
ZanzabumX [31]3 years ago
6 0

Answer:

-3

Step-by-step explanation:

For an expression to be undefined,. the denominator must be equal to 0

Therefore, in order to make that expression undefined, we must equate the denominator to 0

6 + 2v = 0

2v = 0 - 6

2v = -6

v = -6/2

v = -3

So in order to make the expression to be equal to 0, v must be -3

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The length of cherries vegetable garden is 6.56 meters. The width of the garden is 6.6 meters. What is the answer
PilotLPTM [1.2K]
6.56 < 6.6 so the answer is D.
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8 0
3 years ago
Karen is typing a report.she typed 3/8of the pages in the report in the morning and 2/5 of the pages in the afternoon.what fract
Karolina [17]
Simple...

you have \frac{3}{8} and \frac{2}{5}

Just subtract...but first find a common denominator...

Use 40 as the common denominator...

\frac{3}{8} * \frac{5}{5} = \frac{15}{40}
and
\frac{2}{5} * \frac{8}{8} = \frac{16}{40}

So, subtract,

\frac{15}{40}&#10;-&#10; \frac{16}{40}

=- \frac{1}{40}

Thus, your answer.




4 0
3 years ago
a physician orders aminophylline 7.5 mg per kg of body weight. the patient weighs 110 lb. if aminophylline is available in 0.125
Harman [31]

Answer:

The patient will receive 2 whole tablets.

Step-by-step explanation:

The total weight of the drug to be administered can be expressed as;

Total dose of aminophylline to be administered=Dose per weight of patient×weight of patient

where;

Dose per weight of patient=7.5 mg per kg

weight of patient=110 lb

1 kilogram=2.205 lb

weight of patient in kilograms=110/2.205=49.89 kilograms

replacing;

Total dose of aminophylline to be administered=Dose per weight of patient×weight of patient

Total dose of aminophylline to be administered=(7.5×49.89)=374.175 mg

Total weight of tablets=374.175 mg

Total weight of tablets=weight per tablet×number of tablets

where;

Total weight of tablets=374.175 mg

Weight per tablet=0.125 g

1 gram=1000 mg

Weight per tablet in mg=(1,000×0.125)=125 mg

Number of tablets=n

replacing;

Total weight of tablets=weight per tablet×number of tablets

374.175=125×n

n=374.175/125

n=2.9934

The patient will receive 2 whole tablets.

7 0
3 years ago
An angle measures 10° less than the measure of its supplementary angle. What is the measure of each angle?​
spin [16.1K]

Answer:

The two angles are 85 and 95 degrees

Step-by-step explanation:

Supplementary angles add to 180

Let x be one angle

The supplement is 10 less,  ( x-10)

They add to 180

x+ ( x-10) = 180

2x -10 = 180

Add 10 to each side

2x-10+10 =180-10

2x= 190

Divide by 2

2x/2 =190/2

x=95

The other angle is 95-10 = 85

The two angles are 85 and 95 degrees

8 0
3 years ago
My cousin goes to a strange schools. It's called Geometric Middle School. My cousin's math project is to determine how many tile
Anon25 [30]
Area of trapezoid  = (1/2) (b1 + b2) h
                             = (1/2) x  (12 + 24) x 6 sqrt 3
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area of Hexagon = 2 x Area of trapezoid
                            = 2 x 108 sqrt 3
                            = 216 sqrt 3

4 0
2 years ago
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