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
Ivahew [28]
2 years ago
7

In April, the water level in a mountain reservoir increased 0.6 m as the snow began to melt. In May, the water level increased a

nother 0.3 m. In June, the water remained constant; but in July the water level decreased by 0.2 m due to a dry spell. At the end of July, the water was 14.2 m. What was the water level at the begining of April?
Mathematics
1 answer:
Svetach [21]2 years ago
8 0

Step-by-step explanation:

x+0.6+0.3-0.2=14.2

x+0.7=14.2

x=14.2-0.7

x=13.5

You might be interested in
What’s 7= y-2/3 if you’re solving for y
Rus_ich [418]

Answer:

y = 23/3

Step-by-step explanation:

Simplify both sides of equation

7 = y + -2/3

Flip equation

y + -2/3 = 7

Add 2/3 to both sides

y + -2/3 + 2/3 = 7 + 2/3

y = 23/3

6 0
2 years ago
The perimeter of a square picture frame is 24 in. Find the lengths of each side of the frame.
m_a_m_a [10]

Answer:

6 inches

Step-by-step explanation:

The perimeter formula for a square is P = 4*S

P =24

s = ?

24 = 4*S            Divide both sides by 4

24/4 = 4S/4      

S = 6

6 0
2 years ago
A bean plant grows at a constant rate for a month. After 10 days, the plant is 25 centimeters tall. After 20 days, the plant is
wariber [46]
Y = 2x + 5

If you take the height at 10 days, 25 centimeters, after 10 more days the height is 45 centimeters, meaning for those 10 extra days the been plant grown 20 centimeters. Since we're told the plant is growing at a constant rate, this shows the bean plant is growing 2 centimeters per day. We can represent this with y = 2x. (After 10 days, the bean plant will be 20 centimeters, after 20 days, the bean plant will be 40 centimeters, etc.)

However, this is not completely true yet. As you can see, after the first 10 days the plant is not 20 centimeter, it's 25 centimeters. We already know the rate in which the plant is changing, but now we need to find the height that the plant was originally, before it started growing.

After the first 10 days, the plant is 25 centimeters tall. Since we know that the plant is growing 2 centimeters per day, we can subtract 20 from 25 to find the original height of the bean plant.

25 - 20 = 5
The bean plant was originally 5 centimeters.

This makes our final equation y = 2x + 5.
2x is the slope, and 5 is the y intercept.

Hope this helps1!
5 0
3 years ago
1. A certain ceiling is made up of tiles. Every square meter of ceiling requires 10.75 tiles. Fill in the table with the missing
dybincka [34]

Given:

Consider the below table attached with this question.

Every square meter of ceiling requires 10.75 tiles.

To find:

The missing values in the table.

Solution:

We have,

1 square meter of ceiling =  10.75 tiles.      ...(i)

Therefore, the number of tiles corresponding to 1 square meter of ceiling is 10.75.

Multiply both sides by 10.

10×1 square meter of ceiling =  10×10.75 tiles.

10 square meter of ceiling =  107.5 tiles.

Therefore, the number of tiles corresponding to 10 square meter of ceiling is 107.5.

Divide both sides by 10.75 in (i).

\dfrac{1}{10.75} square meter of ceiling = 1 tile.

Multiply both sides by 100.

\dfrac{100}{10.75} square meter of ceiling = 100 tiles.

On approximating the value, we get

9.3 square meter of ceiling = 100 tiles.

Therefore, the square meters of ceiling corresponding to 100 tiles is about 9.3.

Multiply both sides by a in (i).

a×1 square meter of ceiling =  a×10.75 tiles.

a square meter of ceiling =  10.75a tiles.

Therefore, the number of tiles corresponding to a square meter of ceiling is 10.75a.

8 0
3 years ago
Read 2 more answers
Write your answer as an integer or as a decimal rounded to the nearest tenth​
Savatey [412]

9514 1404 393

Answer:

  8.7

Step-by-step explanation:

We have the side adjacent to the angle and we want the hypotenuse. The relevant trig relation is ...

  Cos = Adjacent/Hypotenuse

Solving for the hypotenuse, we find ...

  VW = XW/cos(36°) = 7/0.80901

  VW ≈ 8.7

4 0
3 years ago
Other questions:
  • PLS HELP NOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    8·1 answer
  • I'm kind of unsure of my answer, please help me. I appreciate your answers.
    9·2 answers
  • Find the values of x and y.
    14·1 answer
  • Wendell is making punch for a party. the recipe he is using says to mix 4 cups pineapple juice, 8 cups of Orange juice, and 12 c
    7·1 answer
  • A stockholder owns 381.881 shares by the end of the year he had increased his number of shares by 14.814 what’s the new total of
    9·2 answers
  • Express each in cubic metres:(a)600litres​
    15·1 answer
  • A circular rug has an area of 32.15 <img src="https://tex.z-dn.net/?f=ft%5E%7B2%7D" id="TexFormula1" title="ft^{2}" alt="ft^{2}"
    7·1 answer
  • Question 3 (10 points)
    11·1 answer
  • A café's annual income depends on x, the number of customers. The function /(x) = 4x2 – 20x
    14·2 answers
  • Does this graph show a function? Explain how you know.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!