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Serggg [28]
2 years ago
15

20% of the students in Mrs. Smith's class are in art club, how many students are in the entire class?

Mathematics
1 answer:
Fynjy0 [20]2 years ago
6 0
There needs to be more information to solve this question.
You might be interested in
you start out driving from your house to an old friends house in a different town, which is 280 miles away. after an hour and a
Semmy [17]
You would take 280-105=175 miles away and take 105 and divide that by your time 1.5 too get 70 mph
5 0
3 years ago
If f(x)=-4x^2-6x-1 and g(x)=-x^2-5x+3 find (f+g)(x) PLS ANSWER FAST!
arlik [135]
When you do (f+g)(x), all you have to do is take both functions and add them to each other. It should look like this when you set it up:
(f + g)(x) = (4x {}^{2}  - 6x - 1) + (x {}^{2}  - 5x + 3)
Then just add like terms and you should get:
(f + g)(x) = 5x {}^{2}  - 11x + 2
Hope this helped.
4 0
3 years ago
What is the value of x + y? How do you know? Show or explain work
enot [183]

The angle (2y - 5)° and 95° are vertical angles, then they are congruent, that is,

2y-5=95

Solving for y:

\begin{gathered} 2y-5+5=95+5 \\ 2y=100 \\ \frac{2y}{2}=\frac{100}{2} \\ y=50 \end{gathered}

The angle (3x + 55)° and 85° are vertical angles, then they are congruent, that is,

3x+55=85

Solving for x:

\begin{gathered} 3x+55-55=85-55 \\ 3x=30 \\ \frac{3x}{3}=\frac{30}{3} \\ x=10 \end{gathered}

Finally, the value of x + y is:

x+y=10+50=60

6 0
1 year ago
a) The table below shows the populations of several states (in millions) and the number of motor vehicle deaths in each. Complet
Cerrena [4.2K]
A.) The completed table is in the attached picture.
      Per capita calculation steps
      Step 1: Per capita = MV Deaths / Population
      Step 2: Convert to Scientific notation
      Step 3: Round-off to hundredths (2nd digit from the right of decimal place)
      Per 100K people calculation steps
      Step 1: Per 100K people = MV Deaths / Population * 100, 000
      Step 2: Round-off to tenths (1st digit from the right of decimal place)

B) I used my completed table (attached picture)
    Therefore, Indiana has the worst rate with 11.6 MV Deaths per 100K People

C) Again, I used my completed table (attached picture)
    Therefore, Illinois has the best rate with 7.3 MV Deaths per 100K People

4 0
3 years ago
What are the zeros of the function f(x) = x2 - 5x + 4?​
stich3 [128]

To find the zeros set the equation equal to zero:

x^2 - 5x +4 = 0

Factor:

(x-4) (x-1) = 0

Now solve each set of parenthesis so that they equal zero:

(x-4) = 0, x =4

(x-1) = 0, x = 1

The zeros are 1,4

5 0
3 years ago
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