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scoray [572]
3 years ago
13

Solve (x-3) (x+2) = 0 and x² - 25​

Mathematics
2 answers:
Nookie1986 [14]3 years ago
7 0

Answer:

its 2 x I think u can defirantate

SSSSS [86.1K]3 years ago
4 0

x^{2} -25\\x^{2} -5^{2} \\(x-5)(x+5)

Answer:

Step-by-step explanation:

(x-3) (x+2) = 0\\(x * x )+(x*+2)- (3*x)-(3*2)=0\\x^{2} +2x-3x-6=0\\Simplify : +2x-3x ,to = -x\\x^{2} -x-6 =0\\

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State the value of the discriminant of -6x^2 +2x + 3 = 0
Dmitry [639]

Answer:

76

Step-by-step explanation:

recall that for a quadratic equation in the form

ax² + bx + c = 0, the discriminant is given by

discriminant, D = b²- 4ac

we are given the following:

-6x² + 2x + 3 = 0,

comparing this with the general equation above, it is clear that,

a = -6, b = 2 and c = 3,

substituting these into our equation for discriminant:

D = b²- 4ac

= 2² - 4(-6)(3)

= 4 + 72

= 76

4 0
2 years ago
What is the area of a trapezoid? 47,45,65
Masteriza [31]
Area = 2,520m^2
(47+65)/2 = 56
56x45 = 2,520
8 0
2 years ago
Find the area of the following ellipse. a = 4.5 m; b = 5.5 m
LenaWriter [7]

Answer:

Area of ellipse is ≈ 77.78 m^{2}

Step-by-step explanation:

Given the dimension of ellipse

  a = 4.5 m

  b = 5.5 m

Now, Area of ellipse = \pi ab

                                  = \frac{22}{7}\times 4.5\times 5.5

                                  = \frac{5445}{70}

                                  = 77.78 m^{2}

Hence Area of ellipse will be 77.78 m^{2}

6 0
3 years ago
Read 2 more answers
Which of the following statements is not correct? A every square is a parallelogram B every parallelogram is a rectangle C every
n200080 [17]
A. A square is a special type of parallelogram, so every square is a parallelogram. A. is true.

B. Every parallelogram has two sets of opposite sides parallel, but not all angles are right angles. Only some parallelograms are rectangles, not all. B. is false.

C. A parallelogram with 4 congruent sides is a rhombus. A rhombus is a special type of parallelogram, so every rhombus is a parallelogram. C. is true.

D. A rectangle is a special type of parallelogram, so every rectangle is a parallelogram. D. is true.
7 0
3 years ago
Is the relation a function? <br><br> {( 1, 12), (3, 14), (14, 3), (5, 12)}<br><br> yes or no
Iteru [2.4K]

Answer:

Yes.

Step-by-step explanation:

Yes because each  value of x maps to a single value of y.

THere is a many-to-one relation with (1, 12) and (5, 12) but that is OK  for a function.  What would not be OK  is if we had a one-to-many relation like  (1, 12) and (1, 14)  included in the ordered pairs - that is not a function.

6 0
3 years ago
Read 2 more answers
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