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timama [110]
3 years ago
8

Please HELP With NUMBER 18

Mathematics
2 answers:
nikitadnepr [17]3 years ago
5 0
Hi.
your answer is 18 students.
hope this helps!!!

NeX [460]3 years ago
3 0
The correct answer to problem number 18 is 18 people You add the number of people who earn more than $44.
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Suppose that 4% of a population has a virus. You test 1064 people. You wish to find the probability that 45 of the people in the
swat32
So if you want to find the answer you would find it by doing it yourself
6 0
2 years ago
Write the quadratic equation whose roots are
maks197457 [2]
The quadratic equation y = ax^2 +bx+c can be written in the form:
y = a(x-p)(x-q)
Where p and q are the roots of the equation.
Given p = 4, q = -2, a = 3, the quadratic will look like this:
y = 3(x-4)(x+2)
Finally, distribute and combine like terms to put it in standard form.
y = 3(x^2 - 4x+2x -8) \\  \\ y = 3(x^2 -2x-8) \\  \\ y = 3x^2 -6x -24
5 0
3 years ago
Para ampliar uma sala quadrada, foram acrescentados 4 metros em seu comprimento e 2 metros em sua largura, conforme a figura. Qu
ollegr [7]

Answer:

b) x^2 + 6x + 8

Step-by-step explanation:

Para ampliar la habitación cuadrada, se agregaron 4 metros de largo y 2 metros de ancho, como se muestra en la figura.

Deje que la longitud y el ancho de la habitación antes de la expansión sean x.

La nueva longitud de la sala es (x + 4).

El nuevo ancho de la sala es (x + 2).

La nueva área de la sala será:

(x + 4)(x + 2)\\x^2 + 2x + 4x + 8\\x^2 + 6x + 8\\\\

Esa es la nueva área de la habitación.

3 0
3 years ago
EASY POINTS (attached)
solong [7]
Answer for the first one - it's complicated, but that maths is correct

I kind of cheated and did it a different way than they'd expect. By doing 24 squared, that gives you 576. 

since both angles are 45 degrees, then the sides are equal lengths. Therefore x squared times 2 = 576.

Because of this, x squared = 576 divided by 2, which equals 288.
Therefore the square root of 288 = 12 square root 2
5 0
3 years ago
Read 2 more answers
It takes levar four hours to drive 252 miles what is levar unit rate at this rate how far will Levar Drive in seven hours
otez555 [7]
In four hours, he drives: = 252

So, Unit rate = 252/4 = 63 mph

In seven hours, it would be = 63 * 7 = 441 miles

Hope this helps!
5 0
3 years ago
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