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vampirchik [111]
2 years ago
14

Write as an algebraic expression and then simplify if possible : the sum of x and x+3

Mathematics
2 answers:
iogann1982 [59]2 years ago
7 0

Answer:

2x+3

Step-by-step explanation:

x+x+3=2x+3

sum means to add both expression together and we can see there are 2 x's so we can add them and get 2x+3

antiseptic1488 [7]2 years ago
4 0

Answer:

2x + 3.

Step-by-step explanation:

x + x + 3

= 2x + 3.

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What is the value of x?
Rama09 [41]

Answer:

x = 70

Step-by-step explanation:

45+2x-5 = 180

2x = 180 - 40

x = 140/2

x = 70

5 0
3 years ago
The area of a triangle is 15x^4+3x^3+4x^2-x-3 square meters. The length of the base of the triangle is 6x^2-2 meters. What is th
MArishka [77]

Answer:

The height of the triangle is: H = (5x^2 + x +3)

Step-by-step explanation:

Here, the area the triangle  is given as: 15x^4 + 3x^3 + 4x^2 - x  - 3

Also, base of the triangle  = (6x^2 -2)

Let us assume the height of the triangle = H units

Now, AREA of TRIANGLE =  \frac{1}{2}  \times B  \times H

\implies (15x^4+3x^3+4x^2-x-3 ) = \frac{1}{2}  \times ( 6x^2-2)  \times H\\\implies H =\frac{ (15x^4+3x^3+4x^2-x-3 )}{(3x^2-1)}

Solving by LONG DIVISION, we get:

H = (5x^2 + x +3)

Hence, the height of the triangle is: H = (5x^2 + x +3)

6 0
3 years ago
What is the parent function for the following<br><br> f(x) = (x-2) (x-1)
Taya2010 [7]

Answer:

The parent function of  f(x) = (x-2) (x-1) is  P(x) = x^2- 3 x + 2.

Step-by-step explanation:

Here, f(x) = (x-2) (x-1)

Now, parent function of a given function is the function, which is PRODUCT OF ALL IT S FACTORS.

Now, here, f(x) has two factors ( x- 2) and ( x-1)

So, the parent function p(x) of f(x) is given as the product of both the factors.

So, we get:

P(x)  = (x-2) (x-1) \\=  x( x-1) -2(x-1)\\=x^2 - x -2x + 2\\= x^2- 3 x + 2\\\implies P(x) = x^2- 3 x + 2

Hence, here the parent function of  f(x) = (x-2) (x-1) is  P(x) = x^2- 3 x + 2.

6 0
3 years ago
Which ordered pair is a solution of the equation? <br>equation (-4x+7=2y-3)
Greeley [361]

Answer:

Its Option C.

Step-by-step explanation:

-4x + 7 = 2y - 3

Substitute the given values in the  given equation:-

(2,1):-    -4(2) + 7 = -1  and 2(1) - 3 = -1  so (2,1) is a solution.

(5, -5):-  -4(5) + 7 = -13 and 2(-5) - 3 = -13  so (5, -5) is also a solution.

4 0
3 years ago
Read 2 more answers
There are 768 beds in a hospital, each floor has 64beds, how many floors are there
Alja [10]

Answer:

There are 12 floors in a hospital.

Step-by-step explanation:\

Each floor has 64 beds, but the hospital has totally 768 beds

So, \frac{768}{64} = 12 (floors)

4 0
3 years ago
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