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weqwewe [10]
2 years ago
11

How many solutions does the equation 7x-4=7x+15​

Mathematics
2 answers:
Len [333]2 years ago
7 0

Answer:

0 because is you -7x from both sides you get -4=15 which doesn't work.

Step-by-step explanation:

galben [10]2 years ago
3 0

Answer:

No solution

Step-by-step explanation:

7x-4=7x+15​

-4 = 15 = not true

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chris bought a cup of hot chocolate does his cup probably hold 400 liters or 400 milliliters of hot chocolate
vivado [14]

Answer:

Millileters

Step-by-step explanation:

If it held 400 liters, it would be a pretty gigantic cup

8 0
3 years ago
Read 2 more answers
Somebody please help! And show your work!
VARVARA [1.3K]

a= 34 degrees

b= 28 degrees

c= 62 degrees

Step-by-step explanation:

First you know that b is 1/2 of 56 degrees or 28.

The triangle with the a in it is isoceles because the two sides are both radii.

In the triangle the top angle = 112 because it is a centeral angle to the 112 arc.

Angle a and opposite to a are equal and then have to be 34 degrees to equal 180.

We know two arc lengths are 112 and 56 and the one with angle a has to be 34x2 or 68.

a whole circle equals 360.

360-56-68-112 = 124

Angle c = 1/2 of 124, or 62 degrees

6 0
3 years ago
How can sums and differences of cubes be identified for factoring?
Ad libitum [116K]
The sum of cubes is given as:
a³ + b³ = (a + b)(a² - ab + b²)

Example for the sum of cubes:

64x³+y³ ⇒ This is the sum of cubes because each term; 64, x³, and y³ are cube numbers

By writing each term as an expression of cube numbers, we have:
(4x)³ + (y)³ ⇒ 64 is 4³
Use the factorization of the sum of cubes, we have:
(4x + y) ( (4x)²- 4xy + y²)
(4x + y) (16x² - 4xy + y²)

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

The difference of cubes can be factorized as:
(x³ - y³) = (x - y)(x² + xy + y²)

Example
(125x³ - 8y³) = (5x - 2y) ((5x)² + (5x)(2y) + (2y)²)
                     = (5x - 2y) (25x² + 10xy + 4y²)
7 0
3 years ago
Line i and line h intersect at what point​
Svet_ta [14]

Step-by-step explanation: The <em>intersection</em> of two figures can

be defined as the set of points that is contained in both figures.

In this figure, lines <em>h</em> and <em>i</em> intersect at C or we can

say that C is the intersection of lines <em>h </em>and <em>i</em>.

In this figure, C is the intersection of lines <em>h</em> and <em>i</em>

because C is the point contained by both <em>h</em> and <em>i</em>.

3 0
3 years ago
ZX is the perpendicular bisector of wY, and YZ = 13.75. Find wz.
Schach [20]
13.75 + 13.75 = 27.5
27.5 / 2 = 13.75
wz = 13.75
5 0
2 years ago
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