1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ymorist [56]
3 years ago
8

To make lemonade, 2 cups of lemon juice are mixed with 7 cups of water.Describe and correct the error in proportion used to find

the number of cups of lemonade juice, j , to mix with 28 cups of water. 2/7 = 28/j
Mathematics
1 answer:
kumpel [21]3 years ago
3 0
<span>x/9 = 8/36 </span>
<span>x = 9 * 8/36 [multiplying each side by 9] </span>
<span>x = 2 </span>
<span> </span>
<span>x/90 = 4.4/12 </span>
<span>x = 90 * 4.4/12 [multiplying each side by 90] </span>
<span>x = 33 </span>

<span>Both proportions should be expressed as lemon juice to water, or water to lemon juice. Either way would give a correct answer: </span>
<span>2/7 = j/28 [lemon juice to water] </span>
<span>8 = j [multiplying each side by 28] </span>

<span>7/2 = 28/j [water to lemon juice] </span>
<span>7j = 56 [multiplying each side by 2j] </span>
<span>j = 8 [dividing each side by 7] </span>


<span>The length proportion is 24 in to 32 ft. </span>
<span>The actual house is 24 ft tall. </span>
<span>Let x represent the doll house height, in inches. Then </span>
<span>x/24 = 24/32 </span>
<span>x = 24 * 24/32 = 18 inches</span>
You might be interested in
carbon-14 has a half-life of 5730 years. The formula f(t)=(1/2)^t/5730 give the percentage of carbon-14 left in the item after t
andreyandreev [35.5K]
Heyy sorry I need the points
5 0
2 years ago
I dont really know how to do soh cah toah. please help me find x.
Ipatiy [6.2K]
First notice that the triangle with sides x,y,a and the triangle with sides z,a+b,x are similar. This is true because the angle between sides x,y in the smaller triangle is clearly 30^\circ, while the angle between sides y,z in the larger triangle is clearly 60^\circ. So the triangles are similar with sides x,y,a corresponding to a+b,z,x, respectively.

Now both triangles are 30^\circ-60^\circ-90^\circ, which means there's a convenient ratio between its sides. If the length of the shortest leg is \ell_1, then the length of the longer leg is \ell_2=\sqrt3\ell_1 and the hypotenuse has length \ell_3=\sqrt{{\ell_1}^2+{\ell_2}^2}=2\ell_1.

Since x is the shortest leg in the larger triangle, it follows that a+b=2x, so a+b=15=2x\implies x=\dfrac{15}2
4 0
3 years ago
Dan was thinking of a number. Dan adds 10 to it, then doubles it and gets an answer of 56.6. What was the original number
evablogger [386]

Answer:

23.3 is the answer to this question

3 0
2 years ago
What are the zeros of the function below?
hoa [83]

Answer:

C

\:\:\:\:

4 0
2 years ago
Read 2 more answers
PLEASE HELP! I AM CRYING AND NEED HELP :'(
Svetllana [295]

Answer:

9300

Step-by-step explanation:

To find the total surface are of 150 boxes, all we have to do is multiply the surface area of one box ( 62 which was calculated on this question brainly.com/question/23446865 ) by the total amount of boxes (150)

So your answer = 150 * 62 which equals 9300

4 0
3 years ago
Other questions:
  • Of all the numbers whose difference is 36​, find the two that have the minimum product
    9·1 answer
  • What is the value of x ÷ y + z if x = 32, y = 4, and z = 7?<br><br> PLEASE HELP!
    10·1 answer
  • The sum of two consecutive odd intergers is 92
    7·2 answers
  • What is 24% of 4,6 million
    11·2 answers
  • Simplify each equation. Tell whether the equation has one, no, or infinite solutions. 3x-7=3(x-3)+2
    5·1 answer
  • What is polynamials?
    5·2 answers
  • Mika rides his bike 3 miles each way to his friend's house. He leaves his house at 4 p.m. How many miles does he ride his bike t
    13·1 answer
  • 1.5 units
    12·1 answer
  • Please help ill give brainliest
    8·2 answers
  • If the surface area of a sphere is 48.3cm^2, find its diameter. PLEASE HURRY
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!