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alexandr402 [8]
2 years ago
12

Find the 2 solutions​

Mathematics
1 answer:
Mrac [35]2 years ago
6 0

Answer:

don't know lol

Step-by-step explanation:

don't know don't ask lol

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Can someone please help?
Firlakuza [10]

Answer:

1. x+4x

2. 5x

3. 6\frac{7}{x}

4. 4x-2x+15

5. (6+x)^2

Step-by-step explanation:

To write expressions remember these key words:

  • a number is a variable like x
  • sum is +
  • difference and subtracted is -
  • quotient is ÷
  • product is ×
  • reciprocal means flip like \frac{1}{9}---> \frac{9}{1}
  • square is an exponent of 2 like x^2

1. x+4x

2. 5x

3. 6\frac{7}{x}

Remember a quotient would be \frac{x}{7}but the reciprocal is \frac{7}{x}.

4. 4x-2x+15

5. (6+x)^2

6 0
3 years ago
Logan genetically engineered a new type of fir tree and a new type of pine tree. The combined height of one fir tree and one pin
Maru [420]

Answer:

Fir trees are 9 meters and the pine trees are 12 meters tall.

Step-by-step explanation:

Let the height of the fir tree = x and the height of the pine tree = y (in meters).

It is given that the combined height of both the trees is 21 meters.

That is, x+y=21

Also, the height of 4 fir trees is 24 meters more than that of the pine tree.

That is, 4x=y+24 i.e. 4x-y=24

So, we get the system of equations,

x+y=21

4x-y=24

Adding both the equations, gives us,

5x = 45 i.e. x=  9.

So, x+y=21 ⇒ y= 21 - x ⇒ y= 21 - 9 ⇒ y= 12.

Thus, the fir trees are 9 meters tall and the pine trees are 12 meters tall.

5 0
3 years ago
What is an equation that goes through the points (4,10) and (3,-4)?
Svetlanka [38]
Hmm could it be
y=14x-46 ? lmk
4 0
2 years ago
I need help finding our the perimeter
barxatty [35]

Answer:

11x + 10y - 2w

Step-by-step explanation:

Hello!

To solve for the perimeter, we add up the like terms.

What are like terms?

Like terms are terms with the same variable and degree. 4x and 5y are NOT like terms because the variable is not the same. However, 4x and 3x are like terms, as adding them gives us 7x.

4x and 4x² are not like terms, because the degree of 4x is 1 (degree means the largest exponent), but the degree of 4x² is 2.

Solve for Perimeter:

Combine the like terms by adding them up.

  • Perimeter = (8x - 4w) + (3y + 2w) + (3x + 7y)
  • P = 8x - 4w + 3y + 2w + 3x + 7y
  • P = 8x + 3x + 3y + 7y - 4w + 2w
  • P = 11x + 10y - 2w

The perimeter is 11x + 10y - 2w

3 0
2 years ago
Tennis balls are sold in cylinders. Each cylinder has a height of about 22cm and a diameter of about 7cm. Estimate the volume of
stich3 [128]

Answer:

Step-by-step explanation:

Formula

V = pi * r^2 * h

Givens

h = 22 cm

r = d/2 = 7/2

r = 3.5

pi = 3.14

Solution

V = 3.14 * 3.5^2 * 22

V = 846.23 cm^3

4 0
2 years ago
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