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Nadya [2.5K]
4 years ago
9

4x+30=3x what is x?

Mathematics
2 answers:
Naddik [55]4 years ago
8 0
X=-30 that's the right answer
Vinil7 [7]4 years ago
6 0
I believe that is correct good luck on your test.
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At Martin Nature Center, the park ranger was showing Mrs. Rhames' class a comparison of a tree's age and the diameter of the tre
sdas [7]
If x is the age and y is the diameter of the trunk, write the equation:
ax+b=y

We must solve for a and b with the given information.

If (x, y) is (1, 4), we have:

a+b=4

If (x, y) is (10, 25), we have:

10a+b=25

Multiply the first equation by 10 to get:

10a+10b=40

Subtract the second equation from this to get:

9b=25

Thus b=25/9.  a=4-25/9=11/9, so our equation is 11x/9+25/9=y.
5 0
3 years ago
A baseball player reaches first base 3 out of 10 times he is at bat. If the baseball player bats 80 times, about how many times
Amanda [17]

Answer:

I think the answer is 24.

Step-by-step explanation:

I think the answer is 24 because if the baseball player hit the bat and ran the base 3 out of 10 times, then you would multiply 8 x 3 to get 24 out of 80. I don't know if this is the correct answer, this is just what I think it may be.

4 0
3 years ago
The Jackson family went to soups and wiches and bought four sand which sand three bowls of soup for $27. The frank family went t
Firlakuza [10]

Answer:

4w + 3c = $27

5w + c = $25.50

Step-by-step explanation:

Let us assume the w represent the cost of the sandwich

And, the c represent the cost of the bowl in a soup

Now the equations are

4w + 3c = $27

5w + c = $25.50

These two should be the equations that represent the situation

5 0
3 years ago
HELP THIS IS DUE
Tatiana [17]

Answer:

Includes Steps

Step-by-step explanation:

3/4x-7 =3(1/6x+1)

3/4x-7=3/6x +3

1/4x=10

x=40

5 0
3 years ago
Describe how the graph of y= x^2 can be transformed to the graph of the given equation.
AnnyKZ [126]

Answer:

We conclude that the graph y = x² can be transformed into the graph of the given equation y = (x - 12)²+3 by shifting the graph of y = x² right 12 units and then up 3 units.

Hence, option D is true.

Please check the attached graph.

Step-by-step explanation:

Given the parent function

y = x²

Given the transformed function

y = (x - 12)²

Horizontal Translation:

The horizontal translation of y = x² is of the form

f(x-h)

so y = y = (x - 12)² means y = x² is shifted 12 right.

Vertical Translation:

y = x²

Then y = x² + b is a vertical translation of y = x²

if b > 0, then y = x² + b is the graph of y = x² 'b' units up.

if b < 0, then y = x² + b is the graph of y = x² 'b' units down.

Thus, y = x² + 3 means the graph y = x²  is vertically shifted up by 2 units.

Please check the attached graph.

  • The blue graph is representing the graph of y = x².
  • The red graph is representing the graph of y = (x - 12)²+3

Therefore, the graph y = x² can be transformed into the graph of the given equation y = (x - 12)²+3 by shifting the graph of y = x² right 12 units and then up 3 units.

Hence, option D is true.

6 0
3 years ago
Read 2 more answers
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