The radius of a circle is 1 foot. What is the area of a sector bounded by a 90 degree arc?

Answer:

4≤x<7

x€[4,7)

Step-by-step explanation:

8≤2x<x+7

=>8≤2x

=>2x<x+7

x≥4

x<7

therefore

4≤x<7

x€[4,7)

Step-by-step explanation:

Do you need answers to all of them of some of them?

1. (4.5×10¹²)÷(9×10^10)

(45×10^-1×10¹²)÷(9×10^10)

(45×10¹¹)÷(9×10^10)

(45÷9)×(10¹¹÷10^10)

5×10

if you need help with the others kindly let me know

Answer:

25 a squared

Step-by-step explanation:

please give me a brainliest!!<3

Answer:

noice

Step-by-step explanation:

becuase o=boice

The sum of the expression 4x^2-4x+10 and the expression 2x^2+5x-8 is 6x^2+x+2 because the sum of the x^2 term is 6, the sum of the x term is 1, and the sum of the constant term is 2.

Polynomial is the combination of variables and constants in a systematic manner with "n" number of power in ascending or descending order.

[tex]\rm a_1x+a_2x^2+a_3x^3+a_4x^4..........a_nx^n[/tex]

We have:

First expression:

[tex]\rm 4x^2-4x+10[/tex]

Second expression:

[tex]\rm 2x^2+5x-8[/tex]

Let's denote the sum of these two expressions with F(x)

[tex]\rm F(x) = \rm 4x^2-4x+10+\rm 2x^2+5x-8\\\\\\\rm F(x) = 6x^2+x+2[/tex]

Thus, the sum of the expression 4x^2-4x+10 and the expression 2x^2+5x-8 is 6x^2+x+2 because the sum of the x^2 term is 6, the sum of the x term is 1, and the sum of the constant term is 2.

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Answer:

A

Step-by-step explanation:

Using Pythagoras' identity on the large right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

(x + 32)² = 30² + 40² = 900 + 1600 = 2500 ( take the square root of both sides)

x + 32 =[tex]\sqrt{2500}[/tex] = 50 ( subtract 32 from both sides )

x = 18 → A

Answer:

The square root of 3

Step-by-step explanation:

c last answer

Answer:

[tex]\sqrt{3}[/tex]

Step-by-step explanation:

It cannot be written as a fraction.

Hope this helped, make sure to make this brainiest, thank you.

Answer:

1. 60+X=180(adjacent angles of parallelogram)

X=120

2. X=79(opposite angles of parallelogram)

Answer:

Where is the question we can help you with

Answer:

D) 4

Step-by-step explanation:

Answer:

False

Step-by-step explanation:

There is not a one in the 2 expression listed

Answer:

A. 9

Step-by-step explanation:

A P E X

Answer:

yes

Step-by-step explanation:

Answer:

0.8%

Step-by-step explanation:

Number of people had mild allergic attack = 72

% of people who had mild allergic attack = 72/9000 × 100%

                                                               = 0.8%(Answer)

Answer:

Step-by-step explanation:

Given the expression

[tex]\left(x+5\right)^2-10=0[/tex]

Add 10 to both sides

[tex]\left(x+5\right)^2-10+10=0+10[/tex]

Simplify

[tex]\left(x+5\right)^2=10[/tex]

[tex]\mathrm{For\:}\left(g\left(x\right)\right)^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}g\left(x\right)=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}[/tex]

solve

[tex]x+5=\sqrt{10}[/tex]

Subtract 5 from both sides

[tex]x+5-5=\sqrt{10}-5[/tex]

[tex]x=\sqrt{10}-5[/tex]

[tex]x=-1.8[/tex]

so

[tex]x+5=-\sqrt{10}[/tex]

Subtract 5 from both sides

[tex]x+5-5=-\sqrt{10}-5[/tex]

Simplify

[tex]x=-\sqrt{10}-5[/tex]

[tex]\:x=-8.2[/tex]

As -1.84 > -8.16

so

Answer:

It's just y2-y1 over x2-x1

Step-by-step explanation:

so pick a coordinate and make it 1 and make the other one 2  and put in the numbers.

The slope of the line will be m = -1/9.

        y = mx + c

        [m] → is slope of line which tells the unit rate of change of [y] with respect to [x].

        [c] → is the y - intercept i.e. the point where the graph cuts the [y] axis

Other possible equations of line are -

We have a line through (9, 4) and (0, 5).

The slope of the line will be -

[m] = (4 - 5)/(9 - 0)

[m] = - 1/9

Therefore, the slope of the line will be m = -1/9.

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Answer:

Red

Step-by-step explanation:

Bc if you - 8x it would be -2y=12-8x and then you divide -2 by 12 and -8x the answer would be y=4x-6

Answer:

y = 4x - 6

Step-by-step explanation:

8x - 2y = 12

-2y = -8x + 12

-2y/-2 = -8x/-2 + 12/-2

y = 4x - 6

Answer:

8 gallons

Step-by-step explanation:

Answer:

where are the answer choices

Answer:

The statement that is accurate is:

"Her principal is the cost of the car, minus any down payment she makes."

Step-by-step explanation:

Answer: Types of fish sold

The type of fish sold is the independent variable in the student's experiment. So, the correct option is (A).

A variable is any kind of characteristic, number, or quantity which can be measured or counted. It can also be called a data item. Examples of variables are age, sex, occupation income and expenses, country of birth, capital expenditure, class grade, eye color, and vehicle type.

There are two types of Variables are:

1. Dependent variable

A dependent variable is a type of variable which changes as the result of independent variable manipulation which is the outcome interested in measuring, and it "depends on" the independent variable.

2. Independent variable

An independent variable is the type of variable which is manipulated or varied in an experimental study in order to detect its effects. This is "independent" because it is not affected by any other variable in the study.

In above case, this is independent because types of fish characteristic is not dependent for the experiment.

Thus, the type of fish sold is the independent variable in the student's experiment. So, the correct option is (A).

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Answer:

1) 23, 3, 13

2) 7, 13, 18

3) 9, 6, 77

4) 39, 8, 46

5) 13, 1, 32

6) 45, 9, 54

7) 14, 45, 30

8) 25, 10, 39

Step-by-step explanation:

Left to Right

Answer:3*3*3*3*3=243

Step-by-step explanation:

Step-by-step explanation:

x=3g+2

you need to move the equation to the other side, first you'd start with the one furtherest from g, which is is 2.

x = 3g

-2. - 2

and minus it from both sides

x-2=3g

3g is like 3x, which is 3 times x and you need to use the opposite operators so times would become divide.

so now it becomes x-2 over 3=g

Answer:

down below:)

Step-by-step explanation:

sale price    discount

                    1. multiplied by 0.82

                    2. multiplied by 0.75

                    3. multiplied by 0.9

1. 18.45

2. 30

3.  23.4

Step-by-step explanation:

227.4 + 213.5  = 440.9

513.9 – 46.1  =  467.8

348.2 + 62.8  = 411

637.9 – 206.3   = 431.6

Answer:

1: 440.9

2: 467.8

3:  411

4: 431.6

Hope this helps.

Answer:

1.  440.9

2. 467.8

3.  411

4.  431.6

Step-by-step explanation:

Answer:

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