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Bezzdna [24]
3 years ago
6

Thanks in advance for your answer :)

Mathematics
1 answer:
MAXImum [283]3 years ago
7 0

Answer:

x=5

Step-by-step explanation:

its easy just subtract 9 from 24 to get 15 and 15 divided by 3 is 5

You might be interested in
If (7²)x = 1 what is the vaule of x
IrinaVladis [17]

Answer:

x=4

Step-by-step explanation:

1 Add 11 to both sides.

2x=7+12x=7+1

2 Simplify  7+17+1  to  88.

2x=82x=8

3 Divide both sides by 22.

x=\frac{8}{2}x=

​2

​

​8

​​

4 Simplify  \frac{8}{2}

​2

​

​8

​​   to  44.

x=4x=4

cheek:

1 Let x=4x=4.

2\times 4-1=72×4−1=7

2 Simplify  2\times 42×4  to  88.

8-1=78−1=7

3 Simplify  8-18−1  to  77.

7=7 7=7

(or -3)

4 0
3 years ago
Read 2 more answers
Drag the tiles to the correct boxes to complete the pairs. Match the systems of equations with their solutions.
devlian [24]
<h3>Answer:</h3>

4, 1, 2, 3 . . . . . the systems of equations corresponding to the given solutions, in order

<h3>Step-by-step explanation:</h3>

When there are this many to do, it is convenient to let a calculator or spreadsheet help. Most will work best with integer coefficients, so the pairs of equations can be written ...

1.

  • x - y = 25
  • 2x + 3y = 180 . . . solution (51, 26)

2.

  • 2x - 3y = -5
  • 11x + y = 550 . . . solution (47, 33)

3.

  • x - y = 19
  • -12x + y = 168 . . . solution (-17, -36)

4. Here, we have a problem. The given equations don't match any solutions. The only remaining solution is (-31, -56), and it gives a value of -6 for the first equation, not 6. The second equation needs parentheses to make it work. We think your problem is ...

... 2x -y = -6, (x -305)/3 = 2y

Recast the way the others are above, these equations become ...

  • 2x - y = -6
  • x - 6y = 305 . . . solution (-31, -56)

_____

<em>Comment on solution to systems of equations</em>

The solution to ...

  • ax +by = c
  • dx +ey = f

is ...

  • x = (bf -ec)/(bd -ea)
  • y = (cd -a·f)/(bd -ea) . . . . . (same denominator as for x)

This is a modified form of Cramer's rule. It is modified in that both numerator and denominator have the terms swapped (are the negative of the terms in the classic Cramer's rule). This form can be easy to remember, as the pattern is fairly simple. (Look at where the coefficients are in the equations. Use your spatial memory to remember the pattern.)

<u>Example</u>:

Applying these solution equations to system (4), we have ...

... x = ((-1)·305 -(-6)(-6))/((-1)·1 -(-6)·2) = -341/11 = -31

... y = ((-6)·1 -305·2) = -616/11 = -56

6 0
3 years ago
Read 2 more answers
Can you solve this? ;)
katovenus [111]
Hi there!

The answer is C.
25x + 12y + 4 \leqslant 130

The question has already revealed the following data:
x = number of tickets.
y = number of t-shirts.

We can now find the total cost function.
The cost of 1 ticket is $ 25
and therefore the total cost for all of the tickets is $25 ×
the amount of tickets, mathematically $25 × x, hence 25x.

The cost of 1 shirt is $ 12
and therefore the total cost for all of the tickets is $12 ×
the amount of shirts, mathematically $12 × y, hence 12y.

When making the total cost function, don't forget to include the service fee of $4.

Now we can conclude that the total cost function is the following:
25x + 12y + 4

Maya only has $130 and therefore the total cost must be smaller than or equal to this amount of money. The answer is C.
25x + 12y + 4 \leqslant 130
7 0
3 years ago
Can someone help me with all this...
professor190 [17]

Answer:

Option D -Parallelogram  and rhombus is the correct answer.

Step-by-step explanation:

<u>Option A -Square.</u>

In square all sides are equal and all angles are equal and each angle is equal to 90°

<u>Option B - Parallelogram </u>

In Parallelogram  opposites sides are equal and parallel. there is no right angles.

<u>Option C -Rectangle</u>

In rectangle opposites sides are equal and parallel. All angles are equal to  90°

<u>Option D -Parallelogram  and rhombus</u>

In Parallelogram  opposites sides are equal and parallel. there is no right angles.

In rhombus all sides are equal and parallel. there is no right angles.

Therefore correct answer is option D


4 0
4 years ago
Makani receives a weekly allowance for doing chores around the house. Makani saves his money for 13 weeks. After 13 weeks, he sa
steposvetlana [31]

Answer:

divide amount by number of weeks.

156/13 = 12

$12

4 0
3 years ago
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