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Vika [28.1K]
2 years ago
13

Select the correct answer.

Mathematics
2 answers:
N76 [4]2 years ago
3 0

Answer:

B

Step-by-step explanation:

larisa86 [58]2 years ago
3 0

Answer:

the answer is C

Step-by-step explanation:

X=-6; x=6

On Plato

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Help with this please
Alik [6]

Answer:

Yes, the given parallelogram is a rectangle.

Step-by-step explanation:

The vertices of parallelogram are J(-5,0), K(1,4), L(3,1) and M(-3,-3).

The slope formula is

m=\frac{y_2-y_1}{x_2-x_1}

JK=\frac{4-0}{1-(-5)}=\frac{4}{6}=\frac{2}{3}

KL=\frac{1-4}{3-1}=\frac{-3}{2}

LM=\frac{-3-1}{-3-3}=\frac{-4}{-6}=\frac{2}{3}

JM=\frac{-3-0}{-3-(-5)}=\frac{-3}{2}

The slopes of opposites sides are same it means they are parallel to each other.

The product of slopes of two consecutive sides is

\frac{2}{3}\times \frac{-3}{2}=-1

Since the product of slopes of two consecutive sides is -1, therefore the consecutive sides are perpendicular to each other.

Yes, the given parallelogram is a rectangle.

7 0
3 years ago
- x2 +10x-16<br> As a graph
Ira Lisetskai [31]
The zero for -2x+10x-16 is positive 2

3 0
2 years ago
If 10% of 50% of a number is 30 less than one- quarter of the number what is it?
densk [106]
Make an equation.

.1 X .5 X n = .25 X n - 30
.05n = .25n - 30
30 = .20n
150 = n
6 0
3 years ago
Read 2 more answers
How many roots does the equation 3x² = 1 - 7x have and what is the nature of the roots
AnnyKZ [126]

Answer:

Step-by-step explanation:

Rewrite this quadratic in standard form:  3x^2 + 7x - 1.

The coefficients of x are {3, 7, -1}, and so the discriminant is b^2 - 4ac, or

7^2 - 4(3)(-1), or 49 + 12, or 61.  Because the discriminant is positive, this quadratic has two real, unequal roots

7 0
3 years ago
Given Circle M where d = 11, determine<br> The circumference.
Advocard [28]

Answer:

In this particular case, Circle M has circumference 11π, or approximately 34.6 units.

Step-by-step explanation:

The circumference of a circle of diameter d is C = πd.

In this particular case, Circle M has circumference 11π, or approximately 34.6 units.

8 0
2 years ago
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