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GREYUIT [131]
3 years ago
11

How many rows are needed to seat all students. When there are 846 students and each row holds 18 people

Mathematics
1 answer:
lubasha [3.4K]3 years ago
6 0

Answer:

47 rows

Step-by-step explanation:

To find the amount of needed rows, we will use the math operation division. We will take the total and divide it by the amount in each row.

846/18=47

To seat 18 people in each row, you will need 47 rows.

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Answer this 2(3^2 + 4^2) = ?
Vikentia [17]

Answer:

50

Step-by-step explanation:

2(3^2+4^2)=

3^2/(3x3) = 9

4^2/(4x4) = 16

9+16=25        

so.... rewritten it is

2(25)= or 2 x 25= 50

6 0
3 years ago
How is domain of the function f(x)=sinx restricted so that its inverse function exists?
Virty [35]

Answer:

Correct answer:  sin x ⇒D(x) :  [- π/2, π/2] ; sin⁻¹x ⇒ CD(x) :  [- π/2, π/2]

Step-by-step explanation:

In order for the function sin x to have an inverse function sin⁻¹x due to the monotony, the domain is taken D(x) :  [- π/2, π/2] and the range of sin⁻¹x  is CD(x) :  [- π/2, π/2].

God is with you!!!

8 0
3 years ago
Find the direct variation equation
joja [24]

Answers:

  • The direct variation equation is y = 5x
  • If x = 4, then y = 20

=================================================

Explanation:

Let's say that the letter k replaces the green box

We have the equation y = kx

Plug in (x,y) = (7,35) to get the equation 35 = k*7

Dividing both sides by 7 leads to k = 5

Therefore, the direct variation equation is y = 5x

We can check this by plugging in x = 7

y = 5x

y = 5*7

y = 35

So x = 7 leads to y = 35 as expected.

-------------

Do the same for x = 4

y = 5x

y = 5*4

y = 20 when x = 4

Side note: direct variation equations always go through the origin.

6 0
2 years ago
Read 2 more answers
last year, emilia went bowling several times and earned an average score of 100 points. this year, after taking a class at schoo
MrRissso [65]
198 is the answer I think
6 0
3 years ago
7 copies 0f 1 fourth what does it equal
kvasek [131]
7 copies I assume means multiplication. 7 x 1/4=7/4. When multiplying fractions, the numerator is multiplied.
8 0
2 years ago
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