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
matrenka [14]
3 years ago
9

30+9÷3-[5 x 3-{5-(7-4)}]

Mathematics
1 answer:
8090 [49]3 years ago
8 0

the exact answer is 20..

You might be interested in
How to solve mean media and mode
stiv31 [10]
You can solve mean by adding up all the numbers then dividing it by the number of numbers there are.

You can solve the median by putting all of the numbers in order and then crossing off one in the beginning then crossing off one at the end. You can continue that until you get to one number in the middle.

You can solve the mode by looking for the most frequent number. That's the mode. You can remember that by looking at the MO and remember most often.

I hope this helps :-)
6 0
3 years ago
A quadratic function and an exponential function are graphed below. How do the decay rates of the functions compareover the inte
Kobotan [32]

To check the decay rate, we need to check the variation in y-axis.

Since our interval is

-2We need to evaluate both function at those limits.At x = -2, we have a value of 4 for both of them, at x = 0 we have 1 for the exponential function and 0 to the quadratic function. Let's call the exponential f(x), and the quadratic g(x).[tex]\begin{gathered} f(-2)=g(-2)=4 \\ f(0)=1 \\ g(0)=0 \end{gathered}

To compare the decay rates we need to check the variation on the y-axis of both functions.

\begin{gathered} \Delta y_1=f(-2)-f(0)=4-1=3 \\ \Delta y_2=g(-2)-g(0)=4-0=4 \end{gathered}

Now, we calculate their ratio to find how they compare:

\frac{\Delta y_1}{\Delta y_2}=\frac{3}{4}

This tell us that the exponential function decays at three-fourths the rate of the quadratic function.

And this is the fourth option.

4 0
1 year ago
Question 3: Find the vertex of - x2 - 4x + 12
tatuchka [14]

Answer:

A. (-2,16)

Hope this helps :)

4 0
3 years ago
The scatter plot shows the number of people at a fair based on the outside temperature. How many fewer people would be predicted
frez [133]

Answer

1.-0.08

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Solve. Round to the nearest tenth.<br> 6<br> 2-12<br> 19<br> 2x-2<br> HELP ASAP!!
Strike441 [17]

Answer:

\displaystyle x = \frac{216}{7}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\displaystyle \frac{6}{19} = \frac{x - 12}{2x - 2}<u />

<u />

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Cross-multiply:                     \displaystyle 6(2x - 2) = 19(x - 12)
  2. Distribute:                             \displaystyle 12x - 12 = 19x - 228
  3. Isolate <em>x</em> terms:                     \displaystyle -12 = 7x - 228
  4. Isolate <em>x</em> term:                      \displaystyle 216 = 7x
  5. Isolate <em>x</em>:                               \displaystyle \frac{216}{7} = x
  6. Rewrite:                                \displaystyle x = \frac{216}{7}
6 0
3 years ago
Read 2 more answers
Other questions:
  • A company manufacturing oil seals wants to establish X and R control charts on the process. There are 25 preliminary samples of
    15·1 answer
  • the area of a triangular sail is given by the expression 1/2bh, where b is the length of the base and hi is the height. What is
    5·2 answers
  • On a 120-question test, a student got 84 correct answers. What percent of the problems did the student work correctly
    13·1 answer
  • Amanda, Bryan, and Colin are in a book club. Amanda reads twice as many books as Bryan per month and Colin reads 4 fewer than 3
    10·1 answer
  • :
    8·1 answer
  • Select the expression that is equivalent to 40.
    14·1 answer
  • Given a term in an arithmetic sequence and the common difference, find the first five terms
    15·1 answer
  • С
    5·1 answer
  • The following is a subset of A = {1, 2, 3, 4, 5}, except: *
    9·1 answer
  • Sondie sold $6,300 worth of jewelry for her company. She earns $573.25 for
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!