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bearhunter [10]
3 years ago
10

ANSWER QUICKLY PLEASE!! 18=

t="\frac{x}{2}" align="absmiddle" class="latex-formula"> what does x equal?
Mathematics
2 answers:
lys-0071 [83]3 years ago
4 0
Do you have a picture of the math Answer fast
N76 [4]3 years ago
3 0

Answer:

18= x/2 so multiply by 2 to both sides and you get 36=x

hope this helped

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Parabola with vertex at (4, -2) and passes through<br> the point (2, 10)
amid [387]

Answer:

x2-x1/y2-y1=2-4/10--2=2-4/10+2=-2/12

=-6

6 0
4 years ago
A 4​-ft vertical post casts a 20​-in shadow at the same time a nearby cell phone tower casts a 120​-ft shadow. How tall is the c
Sedaia [141]

change 20 in  to ft

20/12 = 1 2/3 ft


4 ft                               x ft

-------                     =    ---------------

5 /3 ft  shadow           120 ft


using cross products

4 * 120 = 5/3 x

480 = 5/3 x

multiply each side by 3/5

480 * 3/5 = x

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7 0
4 years ago
In a certain country, the average age is 31 years old and the standard deviation is 4 years. If we select a simple random sample
KengaRu [80]

Answer: 0.0062

Step-by-step explanation:

Given : Mean : \mu=\ 31

Standard deviation :\sigma= 4

Sample size : n=100

Assume that age of people in the country is normally distributed.

The formula to calculate the z-score :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x = 32

z=\dfrac{32-31}{\dfrac{4}{\sqrt{100}}}=5

The p-value = P(x\geq32)=P(z\geq5)

=1-P(z

Hence, the the probability that the average age of our sample is at least =0.0062

3 0
4 years ago
5x23x2 use properties to find the sum or protuct
sertanlavr [38]

Answer:

230

Step-by-step explanation:

use the multiplication property, it doesn't matter what wa ugh you do it because multiplication is on both sides

6 0
3 years ago
Find S in formula A=5²<br><br>Need help plss this for my exam​
Kruka [31]

Answer:

S  = √A

Step-by-step explanation:

  Given that;

        A = S²

Finding S implies making S the subject of the expression.

 To do this;

       A = S²  

      Take the square root of both sides of the expression;

   

   √A = √S²

  The square-root of the square of S = S;

    S  = √A

6 0
3 years ago
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