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BlackZzzverrR [31]
4 years ago
10

Please can you help me this as soon as possible..?

Mathematics
1 answer:
Leno4ka [110]4 years ago
4 0

Answer:

N=2

Step-by-step explanation:

N=2 because that is the less than sign so since -8 < 4n that means that 4n would have to be less than 12.

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The City Zoo has different admission prices for adults and children. When three adults and two children went to the​ zoo, the bi
Anna11 [10]

Let a and c represent, respectively, the price of an adult and a child ticket. We know that

\begin{cases}3a+2c=78.94\\2a+3c=75.86\end{cases}

Multiply the first equation by 3 and the second equation by 2 to get

\begin{cases}9a+6c=236.82\\4a+6c=151.72\end{cases}

Subtract the two equations to have

5a=85.1 \iff a=17.02

Plug this value in the first equation to get

3\cdot 17.02+2c=78.94\iff 2c=27.88\iff c=13.94

7 0
3 years ago
Simplify<br> X2-49<br> Over <br> X2+9x+14
Stels [109]

Answer:

(x-7)/(x+2)

Step-by-step explanation:

(x-7)(x+7)/(x+7)(x+2)

(x-7)/(x+2)

7 0
3 years ago
HELP PLZ DUR 11;59 plz help me
Norma-Jean [14]

Answer:

Base = 10 cm

Height = 60 cm

Step-by-step explanation:

The formula for the area of a triangle is  area=\frac{1}{2} *b*h , where <em>b</em> is the length of the base of the triangle, and <em>h</em> is the length of the height of the triangle.

We know the area is 300, and since the height of the triangle is 6 times its base, we know that h=6*b. We can plug in these values into our formula for the area of a triangle, which gives us the following equation to solve:

300=\frac{1}{2} *b*(6*b)

3b^2=300

b=\sqrt{100} =10

The base of the triangle is 10 centimeters.

Now that we know the base of the triangle, we can plug its value in to the original formula to solve for the height of the triangle, which gives us the following equation:

300=\frac{1}{2} *10*h

5h=300

h=60

The height of the triangle is 60 centimeters.

5 0
3 years ago
the cost of a family membership at a health club $58 per month plus a one time 129 start up fee . if a family spent 651 , how ma
Lady_Fox [76]

Answer:

9 months

Step-by-step explanation:

651=58x+129

-129         -129

522=58x  divide 522 by 58

=9

7 0
3 years ago
Sec s = 1.6948
Anastaziya [24]
That'd be true only if the value of "s" is the exact same one for both
namely  if sec(s) = cos(s)
then solving for "s"
thus

\bf sec(s)=cos(s)\qquad but\implies sec(\theta)=\cfrac{1}{cos(\theta)}&#10;\\\\\\&#10;thus\cfrac{1}{cos(s)}=cos(s)\implies 1=cos^2(s)\implies \pm \sqrt{1}=cos(s)&#10;\\\\\\&#10;\pm 1=cos(s)\impliedby \textit{now taking }cos^{-1}\textit{ to both sides}&#10;\\\\\\&#10;cos^{-1}(\pm 1)=cos^{-1}[cos(s)]\implies cos^{-1}(\pm 1)=\measuredangle s
5 0
3 years ago
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