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3 years ago

Part B please help me

Mathematics

1 answer:

Juliette [100K]3 years ago

8 0

He drinks 0.75 liters of juice each day
or
6/8 liters of juice each day

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Find the center and radius of the circle represented by the equation below.

quester [9]

Answer:

Centre (5,-9) and radius is 14

Step-by-step explanation:

The circle equation is of form,

$= > {(x - a)}^{2} + {(y - b)}^{2} = {r}^{2}$

where centre is (a,b) and radius is 'r'.

8 0

2 years ago

Help again pleasepleaseplease

Ilia_Sergeevich [38]

Answer:

9.5

Step-by-step explanation:

The legs of the triangle are

3 and 9

From the Pythagorean Theorem

c² = a²+ b²

c² = 3² + 9²

c² = = 9 + 81

c² = 90

Take the square root of both sides

c = 9.4868329805

Rounded

9.5

7 0

3 years ago

You earn 360 dollars every 4 weeks how much money do you make in one week

Shtirlitz [24]

Answer:$90

Step-by-step explanation:

360/4=90

8 0

3 years ago

Read 2 more answers

Last Sunday 1,757 people visited the amusement park.56% of the visitors were adults,16%were teenagers, and 28% were children age

Sveta_85 [38]

Answer:

984 adults
281 teens
492 children

Step-by-step explanation:

Multiply the total by the corresponding percentage to find the number. We assume the percentages have been rounded, so some adjustment is needed in the result of the multiplication.

{adults, teens, children} = 1757 × {.56, .16, .28} = {983.92, 281.12, 491.96}

≈ {984, 281, 492}

The visitors included 984 adults, 281 teens, and 492 children.

5 0

3 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