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Sloan [31]
3 years ago
9

Let 2? + 112 = 3What values make an equivalent number sentence after completing the square?​

Mathematics
1 answer:
Alexandra [31]3 years ago
7 0

Answer:

Step-by-step explanation:

Here, x² + 13x = -3

Here, as x² + 13x would remain same, you have to add or subtract equivalent number from both sides,  

x² + 13x + 3 = 0

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(a) Describe a property specific to squares that is not a property specific to rectangles.
blondinia [14]

Answer:

Step-by-step explanation:

(a) A square has all the 4 sides being equal while a rectangle has four sides, with the opposite sides being parallel and the same length.

(b) The diagonals bisect the angles , the diagonals are perpendicular bisectors of each other

(c) A square has two pairs of parallel sides, four right angles, and all four sides are equal while the angles of a parallelogram are not right angles

(d) a rhombus can be a rectangle (if the angles of the rhombus are all 90 degrees), and a rectangle can be a rhombus (if the sides of the rectangle are all equal length). Opposite sides are parallel.

(e) a rhombus has two opposite internal angles of equal measure, a square has four right angles with equal measure

5 0
3 years ago
Read 2 more answers
How do I do this question on a calculator (as shown below) note the calculator only can write out equations
Doss [256]

Answer:

1296*0.1884

Or

1296*18.84/100

3 0
3 years ago
How to graph a line that passes through (-1,-7) and has a slope of 4
lana [24]

Answer:

y=4x-3

Step-by-step explanation:

First, write your equation as y=4x+b. Plug in your coordinate to the equation, it should look like this: -7=4(-1)+b. Multiply 4 by -1 to get -4. It should look like this: -7= -4+b. Add 4 to both sides to get your y-intercept of -3. Go back to your original equation and plug in -3 to b. This is your final equation: y=4x-3. Hope this helped!

5 0
3 years ago
Use the table of integrals, or a computer or calculator with symbolic integration capabilities, to find the indefinite integral.
nignag [31]

Answer:

-\frac{3}{11}\ln(\cot t + \csc t)+C

Step-by-step explanation:

We are given:  \int \frac{3}{x\sqrt{121-x^2}} dx

We will use integration by parts.

x = 11 \sin t\\dx = 11 \cos t \: dt

\int \frac{3}{x\sqrt{121-x^2}} dx=\int \frac{3* 11 \cos t \: dt}{11 \sin t\sqrt{121-121\sin^2 t}} =\int \frac{3* 11 \cos t \: dt}{11 \sin t*11\cos t}} =\\\\= \frac{3}{11} \int \csc t = -\frac{3}{11}\ln(\cot t + \csc t)+C

4 0
3 years ago
Could you please help me with finding the circumference? An explanation to go with it would be great!
Naddik [55]

Step-by-step explanation:

37,7m, π*(r*2)

r*2 is diameter it's kinda ez , just put 37,7m and ur done

4 0
3 years ago
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