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katovenus [111]

1 year ago

11

If given the equation y = 3(x + 5)2 - 4, what is the vertex of the parabola

1 answer:

castortr0y [4]1 year ago

5 0

Answer:

The vertex of the parabola is (5, -4).

Hope this helps!

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What is the area of Georgia rounded to the nearest square mile, The is square mile as 59,424.77?

bazaltina [42]

Answer:

59,425 sq mi

Step-by-step explanation:

When you want to round to the units place, you look at the digit in the number that is in the place to the right of that: the tenths place. Here, that digit is 7, which is more than 4. Because that digit is more than 4, 1 is added to the units place and all the digits to the right of that are dropped.

This gives you 59,424 +1 = 59,425.

_____

If the tenths digit were 4 or less, no change would be made to values in the units place or to the left of that. The tenths digit and digits to the right would be dropped.

... 59,424.3 ⇒ 59,424 . . . . . for example

7 0

3 years ago

7th Grade Math... Please help me ASAP

abruzzese [7]

Answer:

Bottom left

Step-by-step explanation:

3 0

2 years ago

According to a report, 11 people got colds for every 2000 people.

lianna [129]

Answer:

Probability that one or more people in Arbalest got a cold is 0.9987.

Step-by-step explanation:

We are given that according to a report, 11 people got colds for every 2000 people.

There are 1200 people in the town of Arbalest.

The above situation can be represented through binomial distribution;

$P(X =r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r};x=0,1,2,3,......$

where, n = number of trials (samples) taken = 1200 people

r = number of success = one or more people got a cold

p = probability of success which in our question is probability

that people got colds, i.e; p = $\frac{11}{2000}$ = 0.55%

Let X = <u><em>Number of people in Arbalest who got a cold</em></u>

So, X ~ Binom(n = 1200 , p = 0.0055)

Now, Probability that one or more people in Arbalest got a cold is given by = P(X $\geq$ 1)

P(X $\geq$ 1) = 1 - P(X = 0)

= $1- \binom{1200}{0} \times 0.0055^{0} \times (1-0.0055)^{1200-0}$

= $1- (1 \times 1 \times 0.9945^{1200})$

= 0.9987 or 99.87%

Hence, the required probability is 99.87%.

8 0

3 years ago

URGENT‼️‼️<br> 3. Find the rate of change represented in the<br> table.

SOVA2 [1]

Answer:

14

Step-by-step explanation:

Using any two ordered pairs, say (2, 17) and (4, 45),

Let,

$(2, 17) = (x_1, y_1)$

$(4, 45) = (x_2, y_2)$

Rate of change = $\frac{y_2 - y_1}{x_2 - x_1} = \frac{45 - 17}{4 - 2}$

$= \frac{28}{2}$

Rate of change = 14

3 0

2 years ago

I want to know x=,y=,z=

My name is Ann [436]

Y=29

x+y+78=180
x+29+78=180
x=180-78-29
x=73

z=180-73
z=107

x=73 degrees
y=28 degrees
z=107 degrees

3 0

2 years ago