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Mashutka [201]
2 years ago
10

The data set of water consumption for a small town in gallons per day is listed below. What is the effect on the mean and standa

rd deviation if consumption is increased by 50 gallons per day? (166, 179, 193, 175, 144, 151, 173, 175, 177, 160, 195, 225, 240, 144, 162, 145, 177, 163, 149, 188) *​
Mathematics
1 answer:
Snowcat [4.5K]2 years ago
8 0

Answer:

Step-by-step explanation:JHVJVVH

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Identify the transformation that carries the figure onto itself.
7nadin3 [17]

The polygon is reflected across the line y = −7 and rotate 540° clockwise about (−7, 8). Then the correct option is C.

<h3>What is a transformation of a point?</h3>

A spatial transformation is each mapping of feature space to itself, and it maintains some spatial correlation between figures.

The polygon is given below.

The polygon is reflected across the line y = −7 and rotate 540° clockwise about (−7, 8).

Then the correct option is C.

More about the transformation of a point link is given below.

brainly.com/question/27224339

#SPJ1

7 0
1 year ago
A missile is launched from the ground. Its
Softa [21]

Answer:

The height of the missile in the air after 11 seconds is 330 feet.

Step-by-step explanation:

The standard form for the quadratic function f(x)= , which is the function of the parabola model.

We are given two points.

(1, 130) and (2, 240)

Here the first coordinate represents the x (time) and the second coordinate represents h(x), which is height.

Now plug these two coordinates and find the two equations.

(1, 130), the equation is

130 = a.(1)^2 + b(1) + c, where "c" is the initial height. Which is equal to zero.

Therefore, we get

130 = a + b + 0

a + b = 130 -------(1)

Now let's form the second equation using the coordinate (2, 240)

240 =

240 = 4a + 2b -------------(2)

Now let's solve the equations (1) and (2) and find the value of "a" and "b"

a + b = 130 can be written as a = 130 - b

Here we can use the substitution method.

Now plug in a = 130 - b in the second equation, we get

240 = 4(130 - b) + 2b

240 = 520 - 4b + 2b

240 = 520 - 2b

2b = 520 - 240

2b = 280

Dividing both sides by 2, we get

b = 140

Now plug in b = 140 in a = 130 -b and find the value of a

a = 130 - 140

a = -10

Now we got a = -10 and b = 140.

We plug in a = -10 and b = 140 in the general form, we gety

h(x) =

Where c is the initial height, which is equal to 0.

h(x) =

Now plug in x = 11 seconds and find the height.

h(11) = -10(11)^2 + 140 (11)

= -10 (121) + 1540

= - 1210 + 1540

h(11) = 330 feet,

Therefore, the height of the missile in the air after 11 seconds is 330 feet

3 0
2 years ago
I will mark brainliest <br><br> The snack that smiles back ____
kondor19780726 [428]

Answer:

I smile back :D

Step-by-step explanation:

4 0
3 years ago
Susan used 1/2 gallons of gas on Sunday and 3 5/8 gallons of gas on Monday. How many more gallons of gas did she use on Monday?
Nookie1986 [14]

Answer: 3 and 1/8 more

Step-by-step explanation:

You can start by converting to the same fraction and making the second one improper, so 29/8 and 4/8. Subtract them to find the difference and  you are left with 25/8 or 3 1/8 gallons.

8 0
2 years ago
Milo cut his cake into 2 equal pieces. He ate 2 <br> pieces of cake for his birthday
andrew11 [14]

Answer:

b

Step-by-step explanation

2-2= all of the cake is gone

3 0
3 years ago
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