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3 years ago

Round 427963 to the nearest hundred

Mathematics

1 answer:

jekas [21]3 years ago

4 0

Answer:

428,000

Step-by-step explanation:

You round the hundreds place

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A hat is originally priced at $22 and now it is $18. What percent is the sales price of the total bill?

Bogdan [553]

So this means that you are asking $18 is what percent of $22.

First: Divide 18 by 22.

Second: You get the repeating decimal of 0.81818181.

Third: Find the first 2 decimals and use it, so the answer is approximately 81%.

7 0

4 years ago

The data set represents a month-to-month progression of gasoline prices over the course of several months in an unspecified city

Tresset [83]

The quadratic regression equation for this data set is $\rm y=-0.143x^2+0.59x+2.82\\$ .

<h3>What is the general form of a quadratic equation?</h3>

The general form of the quadratic equation is given by;

$\rm ax^2+bx+c=0$

Where; a, b, and c are the constants.

x; 0 1 2 3 4 5

y; 2.82 3. 29 3. 46 3. 33 2. 88 2. 24

From the table when the value of x = 0 the value of y is 2.82.

Then,

$\rm y=ax^2+bx+c\\\\x=0\\\\2.82=a0^2+b(0)+c\\\\c=2.82$

From the table when the value of x = 3 the value of y is 3.33.

$\rm y=ax^2+bx+c\\\\x=3\\\\2.82=a(3)^2+b(3)+c\\\\9a+3b+2.82=2.82\\\\9a=-3b\\\\b=-3a\\\\$

From the table when the value of x = 5 the value of y is 2.24.

$\rm y=ax^2+bx+c\\\\x=3\\\\2.24=a(5)^2+(-3a)(5)+c\\\\25a-15a+2.82=2.24\\\\40a=2.24-2.82\\\\10a=-0.68\\\\a= \dfrac{-0.68}{10}\\\\a=-0.143$

And the value of b is;

$\rm b=3a\\\\b=3(-0.14)\\\\b=0.59$

Therefore,

The quadratic regression equation for this data set is;

$\rm y=ax^2+bx+c\\\\y=-0.143x^2+0.59x+2.82\\\\$

Hence, the quadratic regression equation for this data set is $\rm y=-0.143x^2+0.59x+2.82\\$ .

To know more about the Quadratic equation click the link given below.

brainly.com/question/14935613

8 0

3 years ago

Find the x and y intercepts of y=-6x+2

murzikaleks [220]

Answer:

x intercepts=(1/3,0)

y intercepts=(0,2)

3 0

3 years ago

Virginia Beach is 10 miles wide and 30 miles long. If one inch of rain falls on Virginia Beach, how many cubic feet of rain fell

Arte-miy333 [17]

1 mile = 5280 feet.

Convert the dimensions to feet:

10 miles = 5280 x 10 = 52,800 feet

30 miles = 5280 x 30 = 158,400 feet

Multiply together to get the area:

52,800 x 158,400 = 8,363,520,000 square feet.

1 inch = 1/12 of a foot.

Multiply the area by 1/12 for the volume of rain:

8,363,520,000 x 1/12 = 696,960,000 cubic feet.

3 0

3 years ago

Read 2 more answers

( C ( ( ( ( ( 20. Amy bought 4 bunches of green grapes and 5 bunches of red grapes. . There are 20 grapes on each bunch. How man

Lesechka [4]

Answer:

180

Step-by-step explanation:

5 +4 = 9

9 times 20 = 180

6 0

3 years ago

Round 427963 to the nearest hundred​

Round 427963 to the nearest hundred