Mathematics High School

you buy 6 apples for $2.70 write and equation that can be used to express the relationship between the total price t and the number of apples a you buy.


1. t= 2.70a

2. t=0.45a

3. t=6a

t= 2.22a​

Answers

Answer 1

Answer:

The correct answer is: 2. t=0.45a

Step-by-step explanation:

Let t be the price of apples

and a be the number of apples

The price and quantity are directly proportional

[tex]t \propto a[/tex]

Removing the proportionality symbol introduces a proportionality constant in the equation

[tex]t = ka[/tex]

So far we know that cost of 6 apples is $2.70

Putting in the equation

[tex]2.70 = k (6)\\k = \frac{2.70}{6}\\k = 0.45[/tex]

Putting the values of k will give us:

[tex]t = 0.45a[/tex]

Hence,

The correct answer is: 2. t=0.45a

Related Questions

HURRY PLEASE WILL MARK BRAINLIEST!!!!!!

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Answer:

A+B/2

10*19=190

190/2= 95

Step-by-step explanation:

Help please! Ty! Ratios

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Answer:

Ratios to roses to lilies....6:9

Reduced.....2:3

Step-by-step explanation:

Pretty simple doesn't need explaining

-5 1/2+ 6 3/4+ (-4 1/4) =

Answers

-5 1/2 + 6 3/4+ (-4 1/4)= -3
Answer is clearly god isn’t real

What is the approximate diameter of a sphere with a volume of 268 cm3

Answers

Answer:

d≈8cm

Step-by-step explanation:

Answer:

8cm

Step-by-step explanation:

Ap3x

What is the area of the shape shown above

Answers

Answer:

the area is 286

pls mark as brainlist

Answer:

476 ft^2

Step-by-step explanation:

Area of the square:

Formula: L x W

13 x 22 =

286

Area of Semi-Circle:

Formula: 1/2(πr^2 )

1/2 (π11^2)

=190

Area of square + Area of Semi Circle

=476 ft^2

6х +8y - 9x + 2y
helpp​

Answers

Answer: -3x+10y

Step-by-step explanation:

Just add the like terms

6x-9x=-3x

8y+2y=10y

The equation then simplifies to -3x+10y

The answer:
-3x+10y

I’m sorry but I’m not sure if it’s correct

2) Find the degree of the following polynomials
a) x+3x+2​

Answers

Degree 1, you get 4x+2 which has 4x as highest power of 1

What triangle doesn’t belong?

Answers

Answer: B does not belong with the others. The others are all right triangles, while B is an obtuse triangle. It might be wrong if they're looking for something different though.

Step-by-step explanation:

what number do we use to replace the (a) a-(-19)= -12

Answers

Answer:

-31

Step-by-step explanation:

We write the equation out

[tex]a-(-19)=-12[/tex]

Distribute the -1

[tex]a+19=-12[/tex]

Subtract the 19 on both sides

[tex]a=-31[/tex]

Find the measure of angle x in the figure below:

Answers

Answer:

80⁰

Step-by-step explanation:

45+55

180-100=80

Find the slope of the line that goes through the two points.
(6,7) (-2,11)

Answers

Answer:

-1/2

Step-by-step explanation:

The equation for slope is (y2-y1)/(x2-x1).

Plug in the values given in the problem

(11-7)/((-2)-6)

Then simplify

4/(-8)=-1/2

for the function f(x)=x^2-5x+6, where is the y-intercept?

Answers

I believe the answer is 6

Find the prime factorization of the number.
22
The prime factorization

Answers

Answer:

Step-by-step explanation:

22 into 2 and 11

2 is already prime and 11 is already prime

Answer:
2 x 11
Explanation:
22 is a composite number. 22 = 1 x 22 or 2 x 11. Factors of 22: 1, 2, 11, 22. Prime factorization: 22 = 2 x 11.


6. The base of a triangular field is three times its height. If the cost of cultivating the field
at 36 per hectare is? 486, find its base and height (1 hectare = 10000 m²).​

Answers

Answer:

base = 519.62, height = 173.21 m

Step-by-step explanation:

Let the base and height of the triangle be represented by b and h respectively.

Thus,

b = 3h

Area of a triangle = [tex]\frac{1}{2}[/tex] x base x height

For the given triangle,

area = [tex]\frac{1}{2}[/tex] x b x 3h

       = [tex]\frac{3}{2}[/tex]bh

Area of the triangle = [tex]\frac{3}{2}[/tex]bh

To determine the number of hectares,

36 per hectare = 486

hectare = [tex]\frac{486}{36}[/tex]

             = 13.5

numbers of hectares = 13.5

Area of the hectares = number of hectares x 10 000 m²

                                   = 13.5 x 10 000

                                  = 135000

Total area of the hectares = 135 000 m²

So that,

area of the hectares = area of the triangle

area of the triangle = [tex]\frac{3}{2}[/tex]bh

135 000 = [tex]\frac{3}{2}[/tex]bh

270000 = 3bh

bh = [tex]\frac{270000}{3}[/tex]

     = 90000

bh = 90000

But, b = 3h

3h x h = 90000

3[tex]h^{2}[/tex] = 90000

[tex]h^{2}[/tex]  = [tex]\frac{90000}{3}[/tex]

     = 30000

h = [tex]\sqrt{30000}[/tex]

  = 173.2051

h = 173.21 m

So that,

b = 3 x 173.2051

  = 519.6153

b = 519.62

Therefore, the base of the triangle is 519.62 m, while the height is 173.21 m.

look at the pic and please help me

Answers

Answer:

so 8 squared is 64 but when you do 2 cubed its 8

is this what you wanted?

Order the following numbers from least to greatest.
Put the lowest number on the left.

-61 , -40 , -85 , -21

Answers

-85, -61, -40, -21
Hope this helps

Step-by-step explanation:

-21 -40 -61 -85

because negative numbers are the same as positive numbers. imagine it like this

-3 -2 -1, 0, 1, 2, 3

HELP DUE IN 20 MINUTES AND I HAVE MORE TO DO!!!!

Answers

Answer:

12 5/8 ft

Step-by-step explanation:

13 - 1 = 12

7/8 - 1/4 = 5/8

=12 5/8

Oder the least to greatest: -3, -10, -1 please helppp

Answers

-10,-3,-1 is your answer. So the first one

From least to greatest: -10, -3, -1

PLEASE HELP I HAVE 20 MINUTES BEFORE I HAVE TO SUBMIT THIS!!!!!!!
show where to place parentheses in the expression so that the value is 31;

4 + 3^2 • 5 - 2

Answers

the answer would be 47

Elena starts her new job working at an office supply store. She works for 6 hours and makes a total of $54.

Which equation is set up correctly to determine how much Elena makes per hour (h)?

6h = 54
6, h , = 54

54h = 6
54, h , = 6

h + 6 = 54
h , + 6 = 54

54 – h = 6


PLEASE HURRY

Answers

Answer:

I believe the answer would be A.

Step-by-step explanation:

A says 6 x h is 54.

            ^    ^      ^

            important!

6 is the number of hours.

h is how much money made per hour.

54 is the total after working 6 hours.

angeline would like to make 8 identical bowls for a gift to her family. each bowl required 3/4 lbs. of clay. the clay is sold in 5 bl. blocks. how many will she need to buy​

Answers

Answer: 2

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

8 × .75 = 6lbs

she'd need 6lbs so she'd buy two bags of 5lbs

what is the answer to this equation -12= -3y

Answers

y=4

Step-by-step explanation:

[tex]\tt{-12=-3y }[/tex] ⠀

[tex]\tt{ y=\dfrac{-12}{-3} }[/tex] ⠀

[tex]\tt{y=4 }[/tex] ⠀

2(x+1.25)=3,5

Find x

Answers

Step-by-step explanation:

[tex]\tt{2(x+1.25)=3.5 }[/tex] ⠀

[tex]\tt{ 2x+2.5=3.5 }[/tex] ⠀

[tex]\tt{ 2x=3.5-2.5 }[/tex] ⠀

[tex]\tt{2x=1 }[/tex] ⠀

[tex]\tt{ x=\dfrac{1}{2}=0.5 }[/tex] ⠀

The slope of a direct variation function is -4. What is the equation of the function?
y = 4 x
y = - 1/4 x
y = -4 x
y = x - 4

Answers

the answer is y = x - 4

Answer:

y = -4 x

Step-by-step explanation:

In a basketball game, Ty'rik make 20 of 28 baskets. What percentage of the shots did he make? Round to the nearest whole number. A. 20% B. 28% C. 1% D71%​

Answers

Step-by-step explanation: depending on where he made the shots imma have to go wit B

Ya I’m pretty sure it’s b.

Does anyone know how to do 2b)???? Please help!!

Answers

Answer:

Step-by-step-explanation:

Answer:

Step-by-step explanation:

Now to find the x values for which r(x) = 1/4 hence ,

we will use the given function of r(x),

its given in image the solution, please

Brain-list it or support me at my U-Tube channel " ZK SOFT&GAMING " I will be thankful

Which of the following is the quotient of the rational expression 4x/2x-1 divided by 3x+2/x+5

Answers

Answer:

Step-by-step explanation:

Answer:

4x^2+20x/6x^2+x-2

Step-by-step explanation:

I'm cracked

Please help? 5) 120 = 4(-6+6n)

Answers

Answer:

n=6

Step-by-step explanation:

N = 6

Steps:
120=4(-6+6n)
Divide both sides of equation by 4
30=-6+6n
Move variable to the left and change its sign
-6n+30=-6
Calculate difference
-6n=-36
Divide both sides of equation by -6
N = 6

Have a nice day.

12. Which of the following is a quadratic equation?
(1) x2 + 6 = 0
(2) 28-10 = 15
(3) 2r-32 = 2
(4) r+2 =10

Answers

Answer:
1

Explanation:
A quadratic needs a squared term, in this case x2

I WILL GIVE BRAINLIEST!!!!

The triangles △ABC and △DEF are similar.

Which set of measurements prove that the two triangles are similar?

Answers

The two triangles are similar if the ratio of the corresponding sides are equal.

What is ratio?

Ratio is a mathematical comparison of two or more quantities expressed as a fraction. A ratio can be expressed as a fraction, a decimal, or in the form of words. Ratios are used to compare items or quantities in a variety of different contexts, from mathematics and science to business and daily life. For example, a ratio of 2:1 indicates that for every two items, there is one of the same item.

This means that the ratio of side AB to side DE must be equal to the ratio of side BC to side EF, and the ratio of side AC to side DF must be equal to the ratio of the remaining sides.
For example, if side AB is 10 cm and side DE is 5 cm, then side BC must be 10 cm and side EF must be 5 cm for the two triangles to be similar. Similarly, if side AC is 8 cm and side DF is 4 cm, then the remaining sides must be 8 cm and 4 cm respectively.

To learn more about ratio
https://brainly.com/question/12024093
#SPJ1

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