I need help with this last question and then I'll submit my test! please help in full explanation!

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Answer 1

Answer:

Answer:

Brianna is right. The quotient is in the hundreds place ,because the first digit is 2 spaces to the left from the comma/period ,thus we know it's a hundred

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The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the shortest side of a similar quadrilateral whose area is 9 times as great.

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Answer:

9 units.

Step-by-step explanation:

Let us assume that length of smaller side is x.

We have been given that the sides of a quadrilateral are 3, 4, 5, and 6. We are asked to find the length of the shortest side of a similar quadrilateral whose area is 9 times as great.

We know that sides of similar figures are proportional. When the proportion of similar sides of two similar figures is $(m)/(n)$ , then the proportion of their area is $(m^2)/(n^2)$ .

We can see that length of smaller side of 1st quadrilateral is 3 units, so we can set a proportion as:

$(x^2)/(3^2)=(9)/(1)$

$(x^2)/(9)=(9)/(1)$

$x^2=9\cdot 9$

$x^2=81$

Take positive square root as length cannot be negative:

$√(x^2)=√(81)$

$x=9$

Therefore, the length of the shortest side of the similar quadrilateral would be 9 units.

Answer:

the answer is 9

Step-by-step explanation:

Just did the lesson

Name the line and plane shown in the diagram.

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the correct answer would be c

the answer is PQ and plane SP

Solve for y.
-8y- 7+5y = 29
Simplify your answer

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Answer:

Step-by-step explanation:

-3y - 7 = 29

-3y = 36

y = -12

A rectangle is twice as long as it is wide. it's width is 5 1/2 cm. find the area of the rectangle.

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Area of rectangle having length 11 cm and breadth 11/2 cm is 121/2 cm² .

Given, that length of rectangle is double that of its width.

Area of rectangle = l × b
l = Length of rectangle .

b = Breadth of rectangle .

As length of rectangle is double of width.

Width = 11/2 cm

Length = 2 × (11/2) cm

Length = 11 cm

Substitute the values in the area formula,

Area of rectangle = l × b

Area of rectangle = $11 * (11)/(2)$

Area of rectangle = $(121)/(2) cm^2$

Therefore the area of rectangle is $(121)/(2) cm^2$ .

Know more about rectangle,

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A rectangle is twice as long as it is wide. it's width is 5 1/2 cm. find the area of the rectangle.

answer: 60 1/2 cm.

A/an _______ triangle has all three angles measuring less than 90°. A. obtuse B. right C. acute D. scalene

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The only type of triangle in which all three angles measure less than 90 degrees is the acute one. So the correct answer is C. acute.

Which are properties of rotations? Check all that apply.

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Answer:

A rotation maps a line to a line, a ray to a ray, a segment to a segment, and an angle to an angle.

A rotation preserves lengths of segments.

A rotation preserves measures of angles.

Explanation:

I need help with this last question and then I'll submit my test! please help in full explanation!​

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I need help with this last question and then I'll submit my test! please help in full explanation!