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allsm [11]
3 years ago
11

Empirical rule of 139 cm and 193 cm

Mathematics
1 answer:
sesenic [268]3 years ago
8 0
<span> 166cm would be your answer.</span>
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Which quadratic function has Vertex (-1,4) and passes through (4,19) <br> HELP
hichkok12 [17]

Answer:

f(x)=\frac{3}{5}(x+1)^2+4

Step-by-step explanation:

The equation of a quadratic function in vertex form is given by:

f(x)=a(x-h)^2+k

Where (h,k) is the vertex.

It was given in the question that the vertex of the parabola is (-1,4).

When we substitute the vertex into the formula we get:

f(x)=a(x+1)^2+4

The parabola also passes through (4,19) hence it must satisfy its equation.

19=a(4+1)^2+4

19-4=a(5)^2

15=25a

We divide both sides by 25 to get:

a=\frac{15}{25}= \frac{3}{5}

Hence the quadratic function is:

f(x)=\frac{3}{5}(x+1)^2+4

6 0
3 years ago
X + 2x + 12y + 4 Using the expression shown, add like terms and produce an equivalent expression.
Aleksandr-060686 [28]

Answer: 3x+12y+4

Step-by-step explanation:

The only like terms are the x+2x so we add them to get the simplfied answer

3 0
3 years ago
Read 2 more answers
A clothing store used the sign show below to advertise a discount on shirts:
Murljashka [212]
Tax= Tax %(Price of 2 Shirts + 50% of 3rd Shirt)
Tax= 7.1%[49.96+49.96+1/2(49.96)]
Tax= 0.071(49.96+49.96+24.98)
Tax= 0.071(124.90)
Tax= $8.8679

Total= Tax + Price of Shirts
Total= $8.8679 + $124.90
Total= $133.7689 or rounded $133.77

Mean Price= Total ÷ 3
Mean= $44.5893 or rounded $44.59

Answer: C) $44.59

Hope this helps! :)
7 0
3 years ago
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I really need help I don't know what to do I pay attention but don't understand
mrs_skeptik [129]

It means like what number equals that number.Use multiplication to figure these out.


Example : 9,15. Factors for 9-9,1,3  .Factors for 15-1,15,3,5


Hope this helps !

6 0
3 years ago
What are the domain and range of the exponential function below?
LekaFEV [45]
I believe the correct answer from the choices listed above is the second option. The <span>Domain are All real numbers and the Range are All real numbers greater than 3. Hope this answers the question. Have a nice day.</span>
4 0
3 years ago
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