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DaniilM [7]
3 years ago
11

NEED HELP ASAP 40 POINTS!

Mathematics
2 answers:
Llana [10]3 years ago
6 0

Answer:

15y - 9 < 36

15y < 36 + 9

15y < 45

y < 45/15

y < 3

Ivanshal [37]3 years ago
5 0
15y - 9 < 36
15y < 36 + 9
15y < 45
y < 45 ÷ 15 
y < 3
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If f(x)=X-3/x and g(x) = 5x – 4, what is the domain of (fog)(x)?<br><br><br> NEED HELP FAST!!
dedylja [7]

Answer:

Step-by-step explanation:

This is function composition. We will take the g function and plug it into the f function wherever we see an x. That will look like this when it's done but before it's simplified:

f(g(x))=\frac{5x-4-3}{5x-4} and that can be simplified down to

f(g(x))=\frac{5x-7}{5x-4}

The domain of this function will be all real numbers EXCEPT for the one(s) that cause the denominator to become undefined. Set the denominator equal to 0 and solve for x:

5x - 4 = 0 so

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In other words, D = {x | x ≠ 4/5}

6 0
3 years ago
A cone and a cylinder have equal radius, r, and equal altitudes, h. If the slant height of the cone is l, then the ratio of the
77julia77 [94]

Given:

radius of cone = r

height of cone = h

radius of cylinder = r

height of cylinder = h

slant height of cone = l

Solution

The lateral area (A) of a cone can be found using the formula:

A\text{ = }\pi rl

where r is the radius and l is the slant height

The lateral area (A) of a cylinder can be found using the formula:

A\text{ = 2}\pi rh

The ratio of the lateral area of the cone to the lateral area of the cylinder is:

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Canceling out, we have:

\begin{gathered} =\frac{\pi rl}{2\pi rh} \\ =\text{ }\frac{l}{2h}\text{  or l:2h} \end{gathered}

Hence the Answer is option B

3 0
1 year ago
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Answer:

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Step-by-step explanation:

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Down by                     12

Next year score         88

For succeedingyear

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Score in the 2nd year = 88+17.6 = 105.6

Hence overall scores improvement is 5.6% and not 8%

5 0
2 years ago
Hailie recently had her hair cut.  The hair cut was $15.25 and her mom tipped the hair stylus 15%.  What was the total cost?  Ro
aleksandr82 [10.1K]
15.25 divided by 100= 0.1525 times 15 = 2.2875 then round to $2.29 (2.29 is the tip) 2.29 + 15.25 = $17.54 would be the total cost!
3 0
2 years ago
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An ice cream shop uses 4 pints of ice cream to make 6 sundaes. The same amount of ice cream was used for each sundae. How many p
lawyer [7]

Answer:

1.5 pints per sundae

Step-by-step explanation:

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