Can someone help me answer this question please?

Can Someone Help Me Answer This Question Please?

Answers

Answer 1

Answer:

0.10

Step-by-step explanation:

between 1980 and 2010 : 30 years

the change of price:3.99-0.99= 3 dollars

the average rate : 3/30=0.10 or 10 %


Related Questions

The perimeter of a square is 64 mm. Write and solve an equation to determine the length of each side of the square.

Answers

Answer:

64/4=16

Step-by-step explanation:

a square has 4 equal sides so you divide the perimeter by 4 and that will get you the length of one side.

hope this helps

Triangle ABC is a right triangle, angle B is the right angle, angle A is
8x + 2, and angle C is 9x + 3.
What is the measurement of angle A?
ОООО

42°
45°
48°

Answers

The answer is 42 degrees.

A triangle has to equal 180 degrees in total. Because you know it is a right triangle and b is the right angle you make angle a plus c equal 90. You add together 8x and 9x to get 17x and add the 2 and 3 to get 5. You have to solve for x so you subtract 5 from both sides to get 17x = 85. To get x alone you divide both sides by 17 giving you x=5. Now that you have x you plug it into to the equation for angle a. This gives you 8(5)+2 which equals 42.

8x+2+9x+3=90
17x+5=90
17x=85
X=5

8(5)+2=
40+2=42

plz help me I need it urgently ​

Answers

Answer:

answer to the question is $600

In order for an expression to be an equation, it must have _____. an equal sign a variable an addition sign more than one variable

Answers

Answer:

an equal sign

Step-by-step explanation:

google

Suppose x = 7 is a solution to the equation 4x - 2(x + a) = 8. Find the value of a that makes the equation true

Answers

Answer:

[tex]a=3[/tex]

Step-by-step explanation:

So we have the equation:

[tex]4x-2(x+a)=8[/tex]

And we want to find a such that x = 7 is a possible solution.

To do so, substitute 7 for x. Thus:

[tex]4(7)-2(7+a)=8[/tex]

Multiply the left and distribute the right:

[tex]28-14-2a=8[/tex]

Subtract:

[tex]14-2a=8[/tex]

Subtract 14 from both sides:

[tex]-2a=-6[/tex]

Divide by -2: "

[tex]a=3[/tex]

So, the value of a is 3.

And our equation would be:

[tex]4x-2(x+3)=8[/tex]

And we're done!

Edit: Incorrect Answer

Answer:

a = 7

Step-by-step explanation:

Give 3 fractions which are equivalent to 6/8

Answers

Answer:

12/16, 3/4, 18/24

Step-by-step explanation:

Answer:15/20 - 26/36 - 3/4

Step-by-step explanation:

HELP ME ASAP FOR BRANETEST * LYCANROC*

Answers

Answer:

9+6+9+6

Area: 9×6

Please correct me if im mistaken, multiply those together with a calculator.

Answer:

9+6+9+6

Area: 9×6

Step-by-step explanation:

9+6+9+6=?

area:

Round 7.21 to the nearest whole number.

Answers

Answer:

            7.21 ≈ 7

Step-by-step explanation:

If you are rounding to the whole number you are rounding to ones so you need to look at the tenth digit:

2<5 so 7 stays the same  (rounding down)

7.21 ≈ 7

The nearest whole number for the given number is 7.

What is rounding off?

To change a number into an approximation having fewer significant digits. For example :-

Round off 15.4 to 15, round off 15.51 to 15.5 or to 16, round off 0.499 to 0, and round off 970,000 to 1 million.

Given is a number 7.21,

We know that,  if the digit is less than 5, round down and if the digit is 5 or more than 5, round up.

Since, numbers after the decimal is not greater than 5, therefore, it will not change and will remain 7.

Hence, the required whole number is 7.

For more references on rounding off, click;

https://brainly.com/question/24234983

#SPJ2

Solve the equation
v²=8
v≈ __ (Type an integer or a simplified fraction.)

Answers

Answer:

v =2

Step-by-step explanation:

v^3 = 8

Take the cube root of each side

v^3 ^ (1/3) = 8 ^1/3

v = 2

**EMERGENCY** What is the best way to determine the graph of a situation?

Answers

Answer:

you look at the slope and y intercept for example,

y=4x+10

the slope is 4 (increases 4/1 at a time)

and the intercept is 10 (the line hits the y axis at 10)

Step-by-step explanation:

plz help quick i will mark u brainiest its about transishons

Answers

Answer:

(x,y) --> (x+4, y-5)

Step-by-step explanation:

A is correct. B can be represented as x+4, y - 5 because the x values shifted 4 to the right (a positive shift so x+4) and the y values shifted 5 down (a negative shift so y-5)

I need help. I’m not understanding this question

Answers

the answer is letter c.

Answer:

D

Step-by-step explanation:

slope=(-2-7)/(3-0)=-9/3=-3

f(x)-7=-3(x-0)

f(x)=-3x+7

Take any two points .

I took (0,7) and (3,-2),then slope=(y2-y1)/(x2-x1)=(-2-7)/(3-0)=-9/3=-3

you can take any two points.

Let us take (-6,25) and (-3,16)

slope=(16-25)/(-3-(-6))=-9/(-3+6)=-9/3=-3

eq. of line is

y-y1=m(x-x1),here m=-3

y-25=-3(x-(-6))=-3(x+6)=-3x-18

y=-3x-18+25

y=-3x+7

Here y=f(x)

what type of real number is -6.75

Answers

Answer:

well 6.75 is actually real and if u times it by 2.89 you should get ur answer sir (:

Step-by-step explanation:

jK

A retailer sold a vacuum cleaner for 40% below its marked price. The sale price was 50% above the cost to the retailer. What is the ration of marked price to cost?

Answers

Answer:

10 : 9

Step-by-step explanation:

Given that a retailer sold a vacuum cleaner for 40% below its marked price.

Let the marked price = P

40% below = (100 - 40)P/100

Sale price = 60P/100

Sale price = 0.6P

The sale price was 50% above the cost to the retailer.

That is, cost price = (100 + 50)0.6P/100

Cost price = (150)0.6P/100

Cost price = 1.5 × 0.6P

Cost price = 0.9P

What is the ratio of marked price to cost?

The ratio will be = P/0.9P

Multiply both the numerator and denominator by 10

Ratio = 10 : 9

2(3x–1)=9(x–2)–7 pls find x

Answers

Answer:

Step-by-step explanation: multiply 2 with 3x-1

6x-2

multiply 9 with x-2

9x-18

form equation:

2(3x-1)=9(x-2)-7

or, 6x-2=9x-18-7

or, 9x-18-7=6x-2

or, 9x-6x= -2+18+7

or, 3x=23

or, x=23/3

Ans:  x= 7.67

Multiply 2*3x and 2*-1 for the left side. On the right side multiply 9*x and 9*-2.
6x - 2 = 9x - 18 - 7.
Combine like terms. 6x - 2 = 9x - 25.
Then add 2 and subtract 9x.
-3x = -23.
Divide the negative
3x = 23. Then divide 3
x = 23/3 = 7.667...

Hellp me solve this thanks

Answers

Answer:

c. 10 cm

Step-by-step explanation:

The parallel sides of trapizium are the bases so

base 1(B1) =9cm , base(B2)= 12cm

[tex]area(a) = 105 {cm}^{2} [/tex]

the perpendicular distance means the height so lets find the height

area of trapizium= B1 + B2 × h

2

[tex] {105cm}^{2}(the \: given \: area) = \frac{9cm(the \: given \: base) + 12cm(the \: given \: base)}{2} \times h[/tex]

[tex] {105cm}^{2} = \frac{21cm}{2} \times h[/tex]

now we crisscross

[tex] {105cm}^{2} \times 2 = 21cm \times h [/tex]

[tex] {210cm}^{2} = 21cm \times h[/tex]

[tex] \frac{ {210cm}^{2} }{21cm} = \frac{21cm \: }{21cm} \times h[/tex]

h = 10 cm

hope u like it ‍❤️‍‍❤️‍‍❤️‍

For any question comment me

Help please I have a test next hour over this question, but have no clue how to solve for it.

Answers

Answer:

Multiply both sides of the equation by 5

5⋅(b+6/5)=5⋅10

Simplify both sides of the equation.

b+6=50

Move all terms not containing b to the right side of the equation.

b=44

Step-by-step explanation:

Answer:

The answer is 44

Step-by-step explanation:

Step1 = b+6= 10×5

b+6=50

Step2 b= 50-6

= 44

Hope this may helps you

Mark me the brainlest

is 48 irrational or rational​

Answers

Answer:

it can be summarised as 48 and is not a perfect square √48 is irrational

Answer:

Rational

Step-by-step explanation:

It's an integer.

An integer is a whole number

Example of integers: -3, -2, -111, 1, 5, 7, 48

Example of  non integers: 0.2, -5.3, anything that isn't a whole number

An irrational number  is a number that follows the rules below

A real number that cannot be expressed as a ratio between two integers.

Any real number that cannot be expressed as a ratio of two integers.

A real number that cannot be expressed as a rational number

Which point is an x-intercept of the quadratic function f(x)=(x-8)(x+9)

Answers

Step-by-step explanation:

An x-intercept of a function occurs when f(x) = 0.

In f(x) = (x-8)(x+9), f(x) will be 0 if either (x-8) is 0 or (x+9) is 0.

Hence, f(x) = 0 when x = 8 or x = -9.

Answer:

The answer is D. (-9,0) on edge

Step-by-step explanation:

is 7.1324 a natural number?

Answers

Answer: That is not a natural number

Step-by-step explanation: because natural number are just counting  numbers you cant count that

It says to list the new points of W’ X’ Y’ Z, could anyone please help?

Answers

Answer:

x -2,2

Y -4,3

z -4,6

w -2,6

Choose all of the transformations that correctly maps figure A onto figure B

Answers

Answer: It seems you may have to post a picture/ link because I cannot see it.

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

cause take this class

Please help! the other 2 are always, sometimes, or never!

Answers

Answer:

2.60

Step-by-step explanation:

Answer: Sometimes. All we need to know is if one pair of sides are the same length between the triangles, and that is enough info to know if triangle ABC = triangle DEF. We don't have any such info, so we just say "sometimes" to account for this situation.Answer: 60 degrees. Angle B = angle E, and we're told that B = 60, so E must be 60 as well for the two angles to be congruent.Answer: Always. Equilateral triangles have the same angle measure (60 degrees each). Any two triangles with corresponding congruent angles are similar triangles.

According to the US food and drug administration (fda) what must any product claiming to be organic contain

Answers

Answer:at least 95% organically produced ingredients

Step-by-step explanation: Trust me it is the  right answer i took the quiz

Kirima is building a wall for her snow fort. She first makes a firm base out of snow, and then piles uniformly sized blocks of snow in a brick-like pattern. She has a maximum height for this wall in mind, and she wants to figure out how many blocks can be stacked vertically in her wall while remaining below this maximum. So, she constructs the expression 0.4x + 0.6 to measure the height of her wall, where all constants represent measurements in meters. Which of the following statements are true? Select all that apply. 0.4 represents the height of the wall. 0.4 represents the height of the base. 0.4 represents the height of each block. 0.6 represents the height of the wall. 0.6 represents the height of the base. 0.6 represents the height of each block.

Answers

Answer:

The correct option is;

0.4 represents the height of each block

Step-by-step explanation:

The information given are;

Kirima first builds a firm base of a given height

Kirima is building her wall using uniformly sized bricks

the height of the wall she is building depends on the number of blocks stacked to form the wall

Therefore, variable that depends on other variable, which is the dependent variable, y, is the height of the wall

The independent, which determines the value of the dependent variable is the number of blocks added, x

The gradient of the equation is the height of each block = 0.4

The y-intercept is the starting value, which is the firm base of dimension, 0.6

Therefore, 0.4 represents the height of each block.

Which two numbers does the square Root of 52 lie between on a number line?

Answers

Answer:

between 7 and 8

Step-by-step explanation:

7 squared is 49

8 squared is 64

49 < 52 < 64

Consider this question:

-2x=x^2-6

1) Rewrite the question by completing the square. Your equation should look like (x+c)^2=d or (x-c)^2=d.

2) What are the solutions to the equation?

Answers

Answer:

see explanation

Step-by-step explanation:

(1)

Given

- 2x = x² - 6 ( subtract x² from both sides )

- x² - 2x = - 6 ( multiply through by - 1 )

x² + 2x = 6

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(1)x + 1 = 6 + 1

(x + 1)² = 7

(2)

Take the square root of both sides

x + 1 = ± [tex]\sqrt{7}[/tex] ( subtract 1 from both sides )

x = - 1 ± [tex]\sqrt{7}[/tex]

Solutions are x = - 1 - [tex]\sqrt{7}[/tex] , x = - 1 + [tex]\sqrt{7}[/tex]

Which of these represents an integer? Select all that apply. (There should be two anwsers) A. -3 B. 4 C. 2 1/2 D. 8/4

Answers

A.-3, B.4; the definition of integer is a who number. Fractions are not whole numbers (the fractions in choice C and D) while fractions are not whole numbers, negative numbers are still numbers.

Multiply.
5 /11 x 2/7

Answers

Answer:

So the answer is 10/77 in decimal is 0.12987

Convert 334° to radians. A) 167π 45 B) 167π 50 C) 167π 90 D) 167π 100

Answers

Answer:

The answer is option C

Step-by-step explanation:

To convert an angle from degrees to radians multiply the number by

[tex] \frac{\pi}{180} [/tex]

To convert 334° to radians multiply it by the value above

That's

[tex]334 \times \frac{\pi}{180} \\ = \frac{334\pi}{180} [/tex]

We have the final answer as

[tex] \frac{167\pi}{90} [/tex]

Hope this helps you

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