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
Vlad [161]
3 years ago
12

Find the value of a? Need help ASAP

Mathematics
1 answer:
Neko [114]3 years ago
6 0
Is 9 an answer?
If it is I think 9
You might be interested in
A 30-m tall building casts a shadow. The distance from the top of the building to the tip of the shadow is 32 m. Find the length
zepelin [54]

Answer: 11.1 m

Step-by-step explanation:

This can be solved by the Pythagorean theorem where;

c² = a² + b²

c is the hypotenuse which is the distance from the top of the building to the tip of the shadow.

a is the height

c is the length

32² = 30² + b²

b² = 32² - 30²

b² = 1,024 - 900

b² = 124

b = √124

b = 11.1 m

7 0
3 years ago
Which of the sets of ordered pairs represents a function?
kramer
A function will not have any repeating x values....it can have repeating y values, but all the x values have to be different for it to be a function.

A is a function because all the x values are a different number
B is not a function because u have repeating x values...u have repeating 4's and repeating 9's
3 0
3 years ago
3(-4n - 9) = 21 plc solve ​
erma4kov [3.2K]
<h3>Answer:</h3>

\huge{\boxed{n=-4}}

<h3>Explanation:</h3>

\begin{array}{cc}\begin{flushright}\text{Divide both sides of the equation by 3.}\end{flushright}&\begin{flushleft}-4n-9=7\end{flushleft}\\\begin{flushright}\text{Add 9 on both sides.}\end{flushright}&\begin{flushleft}-4n=16\end{flushleft}\\\begin{flushright}\text{Divide both sides by -4.}\end{flushrigh}&n=-4\end{array}

7 0
3 years ago
Read 2 more answers
Use multiples to write two fractions equivalent to 9/10
pochemuha
18/20 and 27/30 hope this helps
8 0
3 years ago
Read 2 more answers
A company mixes two kinds of cleansers to get a blend they sell for 59 cents a liter. One of the cleansers costs 50 cents per li
Lilit [14]

Answer:

Cleanser that costs 50 cents is 1400 liters, Cleanser that costs 80 cents is 600 liters.

Step-by-step explanation:

We can solve this by using <em>simultaneous equations</em>:

  1. Let us express the question in terms of equations

Let a be cleanser at 50 cents and let b be the cleanser at 80 cents.

Equation 1: 0.5a + 0.8b = 0.59(a+b)

Equation 2: a + b = 2000

From equation 2, a = 2000 - b (Let's call this equation 3)

    2. Substituting equations 2 and 3 in Equation 1:

0.5a + 0.8b = 0.59(a+b)

0.5(2000 - b) + 0.8b = 0.59(2000)

1000 - 0.5b + 0.8b = 1180

0.3b = 180

b = 600

Substitute in equation 3:

a = 2000 - 600

a = 1400

As a note, I formed equation 1 because I know for a fact the cost per liter of a and b. I also know it is sold at 0.59 cents per liter. We are selling 2000 liters in this instance, therefore 0.59(2000) = 1180, which in this case is the selling price.

4 0
3 years ago
Other questions:
  • Write the ratio in lowest terms in order to decide whether the proportion is true or false.
    10·1 answer
  • Please help one of my last questions.....
    7·1 answer
  • 7b divided by 12=4.2 what is b
    12·1 answer
  • A swimming pool that contains 12,500 gallons of water also contains 25 ounces of chlorine. Which of these statements is correct
    12·1 answer
  • Can anyone please help me with this question 61
    9·1 answer
  • How to divide 34,992/81
    12·2 answers
  • PLEASE HELP! 25 PTS!!
    5·1 answer
  • I need this ASAP!!!!!!! which scatterplot shows a linear association?
    15·1 answer
  • Find the output, yyy, when the input, xxx, is 777.
    15·1 answer
  • The perimeter of a parallelogram is 180 cm. One side exceeds the other by 10 cm. What are the lengths of adjacent sides of the p
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!