Mathematics High School

Claire is painting some doors that are all the same size. She used 2 liters of paint to cobe 1 3/5 doors. How many liters of paint are needed for 1 door.?

Answers

Answer 1

Answer:

[tex]1 \dfrac{1}{4} \ liters[/tex]

Step-by-step explanation:

Given that:

Claire uses 2 liters of paint to cover 1 3/5 doors

Then in order for her to paint 1 door, She will need:

2 L = 1 3/5 door

x L = 1 door

[tex]x (L) = \dfrac{2 L \times 1 door }{ 1 \dfrac{3}{5} \ door}[/tex]

[tex]x (L) = \dfrac{2 L }{ 1 \dfrac{3}{5} }[/tex]

[tex]x (L) = \dfrac{2 L }{ \dfrac{8}{5} }[/tex]

[tex]x (L) = \dfrac{2 L\times 5 }{ 8 }[/tex]

[tex]x (L) = \dfrac{10 \ L }{ 8 }[/tex]

[tex]x(L) =1 \dfrac{1}{4} \ L[/tex]

Related Questions

Catarina is buying supplies for a party. She plans to spend at least $100 on food and at least $50 on party favors. She can spend no more than $250 total on food and party favors.

Write three inequalities, how much Catarina plans to spend on food, party favors and food.

Answers

Answer:

food [tex]\geq[/tex] 100

favors [tex]\geq[/tex] 50

total [tex]\leq[/tex] 250

What is the area of the triangle?
6 ft.
3 ft.

Answers

Answer:

9ft

Step-by-step explanation:

You multiply 6 and 3 then you divided by 2

Hope it helps

Order the numbers from least to greatest.−34, 0.5, 2/3,−73, 1.2, the 2/3 one is supposed to be 2 thirds and the negative 73 is supposed to be - 7 thirds, and the -34 is supposed to be - 3 fourths

Answers

Answer:

????hold on I brb let me think right quick

Answer:

-7/3 , -3/4 , 0.5 , 2/3, 1.2 this is the answer according to me

A recipe says to use 4 cups of flour to make 56 cookies. What is the constant of proportionality that relates the number of cookies made, y, to the number of cups of flour used,x?

Answers

set up a proportionality and simplify the fraction...hope this helps :)

In a class of 50 students, 40% are girls. Find the number of girls and number of girls in the class.

Answers

50 * 0.40 = 20 girls in class
50-20 = 30 boys in class

Answer:

20 girls.

Step-by-step explanation:

40% * 50

= 20

Hope this helped!

PLEASE HELP!! BONUS POINTS!! WILL CHOOSE BRAINLIEST!!!
(The instructions say: Write a linear equation to represent the line shown on the graph)
THANK YOU!!

Answers

Answer:

y = - 1/2x + 5

Step-by-step explanation:

We can see point on the graph:

(0, 5) and (4, 3)

Slope-intercept form:

y = mx + b

First finding the slope using slope formula:

m = (y2-y1)/(x2-x1) = (3 - 5)/(4-0) = -2/4 = -1/2y -intercept is 5 as per the first point

The line is:

y = - 1/2x + 5

Answer:

9,8

Step-by-step explanation:

x=9, y=8

Hope that helps!

74ft
24ft
b
What is the length of the missing leg?

Answers

Answer: 70

Step-by-step explanation:

a^2 + b^2 = c^2

24^2 + b^2 = 74^2

576 + b^2 = 5,476

-576 -576

b^2 =4,900

(square root)

b =70

20 PTS! On my quiz there are 25 questions, I got a 96%. How many did I get right and how many wrong?

Answers

Answer:

Well, you missed one. (24/25) is a 96%

1 Incorrect

24 Correct

Step-by-step explanation:

Someone could help me with this which would be the answer?

Answers

I’m pretty sure its 9

I think the answer is 9 (srry if I was not helpful)

Which unit price is the highest?

turnips for $1.51 per pound
peppers for $1.62 per pound
carrots for $1.26 per pound
celery for $1.48 per pound

Answers

Answer:

1.62 so peppers

Step-by-step explanation:

Answer:

peppers Hope thiss helps!

Step-by-step explanation:

3 is to 14 as 12 is to what number?

O 3.5
O 2.6
O 42
O 56

Answers

12 is to 56 is the correct answer or just option D lol :)

Answer:

12 is to 56

Step-by-step explanation:

hope it helped have a good day :))

Abe is buying wrapping paper.
He is shopping for the best deal.

Drag the rolls of wrapping paper in order from the least to the greatest unit cost in dollars per square foot.
red 12.5 square feet for $1.79
blue 40 square feet for $5.29
green 50 square feet for $8.49
orange 60 square feet for $6.00

Answers

Answer:

So you need to compute all the rates to see which is the best deal.

$1.79/12.5ft^2=$0.1432 per ft^2

$5.29/40ft^2=$0.13225 per ft^2

$8.49/50ft^2=$0.1698 per ft^2

$6/60ft^2=$0.10 per ft^2

So the last option is the cheapes per square foot and thus is the best deal. Ordered from least to greatest.

Sherbert, blue, red, and green

Step-by-step explanation:

hope this helps

Answer:

The order goes Orange, Blue, Red, and Green

Step-by-step explanation:

By dividing the total cost by the amount of square feet, you get the unit value for the wrapping paper per square foot.

Where are the 4th roots of 16i located?

a) on a circle with radius 1.7
b) on a circle with radius 2
c) on a circle with radius 2.5
d) on a circle with radius 4

Answers

Answer:

B) on a circle with radius 2

Step-by-step explanation:

got it right on edge :)

The 4th roots of 16i is located b) on a circle with radius 2

How to determine the location of the fourth root?

The complex number is given as:

Number = 16i

Take the fourth root

[tex]Root = \sqrt{16i[/tex]

Take the fourth root of 16

[tex]Root = 2\sqrt{i[/tex]

The number before the radicand represents the circle radius

Hence, the 4th roots of 16i is located b) on a circle with radius 2

Answers

Where is the picture of the graph?

The perimeter of a rectangle is the sum of all four sides. Which expressions will find the perimeter of a rectangle with a length of 4 and a width of a?

4 + a + 4 + a

4 + 2a

8 + 2a

8 + a

Answers

Answer:

8+2a

Step-by-step explanation:

Answer:

8+2a, 4+a+4+a

Step-by-step explanation:

Which of the following pairs of terms are like terms?
A"3x and 2b
B:7 and 7y
C:3p and 4p

Answers

Answer:

Step-by-step explanation:

they have the same variable

Expand.
a)3(x - 2)
b)2(y + 4)
c)8(3 + x)

Answers

Answer:

[tex]a \: 3x - 6 \\ b \: 2y + 8 \\ c \: 8x + 24[/tex]

Step-by-step explanation:

All we have to do is multiply accordingly. I'll use a for an example.

So for the value before the perentheses we multiply that by all of the values in the perentheses.

[tex]3x \: and \: - 6[/tex]

So the correct answer would be

[tex]3x - 6[/tex]

You can use the same strategy for all the questions, but I'll just answer those straight away.

Also you may notice I put the variable before the constant in question c because the variable should always go before the constant in expressions and equations.

The answer is 3x-6 i really hope this helped :)

can anyone help with math thanks

Answers

Answer:

Step-by-step explanation:

50 - 5 - 18 = 27

27 ÷ 3 = 9

x = 9

Give me the answer for this

Answers

Answer:

Step-by-step explanation:

because 16 is greater than 12

A quadratic equation that has X-intercepts of (-2,0) and (8,0), a stretch of 3, and the vertex is a minimum.
a. Factored form equation:
b. Vertex form equation:
c. Standard form equation:

Answers

Answer:

a. y = 3 × (x + 2)(x - 8)

b. y = 3·(x - 3)² - 75

c) y = 3·x² - 18·x - 48

Step-by-step explanation:

The x-intercept of the quadratic equation are (-2, 0), (8, 0)

The stretch of the quadratic equation = 3

We have;

a. The factored form y = 3 × (x + 2)(x - 8)

b. From the vertex form, we have;

y = 3 × (x + 2)(x - 8) = 3·x² - 18·x - 48

y = 3·x² - 18·x - 48

The vertex form a(x - h)² + k

Where;

h = -b/(2·a) = 18/6 = 3

h = 3

k = c - b²/(4·a) = -48 - (18²)/12 = -75

The vertex form 3·(x - 3)² - 75

c) The standard form of the quadratic equation, y = a·x² + b·x + c

The standard form of the quadratic equation is y = 3·x² - 18·x - 48.

There is a spinner with 15 equal areas, numbered 1 through 15. If the spinner is spun one time, what is the probability that the result is a multiple of 6 and a multiple of 4?

Answers

Answer:

Step-by-step explanation:

Multiplies of 6:

6,12

Multiplies of 4:

4,8,12

4\15

The following chart shows the number of concert tickets sold and the profit earned. What is the slope of the line through these points?
a. -1/4
b. -1/2
c. 4
d. 2

Answers

Answer:

C.) 4

Step-by-step explanation:

y2 - y1/x2 - x1

m = 160 - 80/60 - 40

m = 80/20

m = 8/2

m = 4/1

m = 4

Answer:

Step-by-step explanation:

Ill give u brainlist help me solve this

Answers

Answer:

false

Step-by-step explanation:

A balloon that has a volume of 72 cubic centimeters is deflating at a rate of 4 cubic cm every 5 seconds. At this rate, how long will it take for all 72 cubic cm to deflate?

Answers

Answer: 90 seconds or 1 min. and 30 sec.

Step-by-step explanation:

72/4=18

18x5=90

please help please help please help please help please help please help please help please help

Answers

Answer:

two

Step-by-step explanation:

ilxzc d cd cf trdc4rter

Elsa, Sven, Ana, and Olaf are sharing a bowl with 50 kit-kat bars in it. Elsa took 0.14 of the bars for her family. Sven took 4 bars for himself. Ana took 24% of the total bars for her friends. Olaf took the bars that were left. Who took the most bars? 5 points)
a Elsa
b Sven
c Ana
d Olaf

Answers

Answer:

Step-by-step explanation:

What is the equation of the line that passes through the point (-5,2) and
has a slope of

Answers

i believe it’s 0 , 0 is originally a slope

What operation is being done to the variable in the equation -5m = -40?

It's being multiplied by -5.
It's being divided by -5.
It's being multiplied by -40.
It's being divided by -40.

Answers

Answer:

it's being divided by -5

Step-by-step explanation:

-5m= -40

m=8

Is the point (3,-4) solution to the inequality

Answers

Answer:

yes it is, because it is plotted in the shaded area

Find the surface area of the pyramid

Answers

Answer:

47.97

Step-by-step explanation:

l Base length

w Base width

h Pyramid height

3.46

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