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Studentka2010 [4]

3 years ago

7

Page Section B 1 A={odd number between 6 andon and 8 § =) by B=&multiples of 5 less than too 100g e) G=& multiples of 5

greater than 100odd number between Shikshan

1 answer:

laila [671]3 years ago

8 0

Answer:

write your question properly

Step-by-step explanation:

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If the signs of the coordinates of collinear points P(-6,-2), Q(-5,2), and R (-4,6) reversed, are the 3 new points still colline

Strike441 [17]

If all the points have the signs reversed, therefore this means that the whole line is reflected about an axis. Since all are reflected therefore this further means that the new points are still collinear.

We can prove this by plotting the points:

P’(6,2), Q(5,-2), R(4,-6)

<span>From the graph, they are in 1 line hence collinear.</span>

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3 years ago

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Paul withdrew $17.25 from his savings account every week for 3 weeks. Which expression is the best choice to help him determine

bogdanovich [222]

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4 years ago

In a triangle XYZ, AB is a midsegment. Find the length of AB.

hammer [34]

Answer:

Option A. $AB=25\ units$

Step-by-step explanation:

step 1

Find the value of x

we know that

If AB is a mid-segment, then AB is parallel to YZ

so

Triangles AXB and YXZ are similar by AA Similarity Theorem

Remember that

If two figures are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

In this problem

$\frac{YZ}{AB}=\frac{YX}{AX}$

we have that

$AB=\frac{1}{2}YZ$ ----> by Midpoint Theorem

$YZ=2AB$

substitute the given values in the expression above

$\frac{2AB}{AB}=\frac{22+2x+2}{2x+2}$

solve for x

$2=\frac{24+2x}{2x+2}$

Multiply by (2x+2) both sides

$4x+4=2x+24$

Group terms

$4x-2x=24-4$

$2x=20$

$x=10$

step 2

Find the length of AB

$AB=3x-5$

substitute the value of x

$AB=3(10)-5=25\ units$

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4 years ago

((x ^ - 1 * y ^ 2)/(2z ^ - 3)) ^ 2 * ((x ^ 2)/(z ^ 5))

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3 years ago

Only two questions in math. will give brainliest.

ValentinkaMS [17]

X^5 + 4x^3 - 5x
= x(x^4 + 4x^2 - 5)
= x (x^2 + 5)(x^2 - 1)
= x( x + 1)(x - 1)(x^2 + 5)

there are 3 real zeroes and 2 complex zeroes.

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3 years ago