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4 years ago

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Mathematics

1 answer:

Verizon [17]4 years ago

8 0

If AB is twice as large as A'B', the scale factor must be 0.5 to get from AB to A'B':

$AB = 2 * A'B' \\ \frac{AB}{2} = A'B'$

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Pls help............Thanks

Brums [2.3K]

1.your going to look at the squares in the background , now on the bottom they are six squares with a line in the middle. your going to put a dot or line on the bottom line of the triangle on each squares ending point (like if your creating a ruler without the tiny lines)2. Ok now if you take the line in the middle( thats all ready in the triangle) you can say that makes to right angle triangle's ,so the one on the left and the one on the right now the one in the left has three squares ( cause remember you had 6 squares but the line in the middle of the triangle splits the triangle into 2 right angle triangles which makes it 3) your going to take each dot and bring it to the top or head of the triangle and you should be done

hoped it helped !!!

6 0

3 years ago

Describe two different cross section shapes that can be formed by slicing a cylinder. For each shape describe how the cross sect

artcher [175]

either a rectangle or circle will be made. If you cut it horizontially you will get a circle. Vertically and you will have a rectangle

5 0

3 years ago

Tim read 70% of his book containing 230 pages. How many pages does he have left?

LenaWriter [7]

Answer:

Considering the whole book as 100%, there’s 30% left.

Then, 30% of 230 = 0,3*230 = 69 pages.

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Timothy built a base for a circular tabletop. The base can support a tabletop with a radius of at least 6 inches, but not more t

neonofarm [45]

Let

r------> the radius of the circular tabletop

we know that

$r\geq 6\ in$

$r\leq23\ in$

$6\ in \leq r \leq 23\ in$

The area of a circle is equal to

$A=\pi r^{2}$

where

r is the radius of the circle

Part a) What is the smallest possible area of the tabletop that will fit on Timothy’s table base?

we know that

the smallest possible area of the tabletop is for $r=6\ in$

Substitute the value of r in the formula

$A=\pi 6^{2}$

$A=113.09\ in^{2}$

Round to the nearest whole square inch

$A=113\ in^{2}$

therefore

the answer part a) is

the smallest possible area of the tabletop is $113\ in^{2}$

Part b) What is the largest possible area of the tabletop that will fit on Timothy’s table base?

we know that

the largest possible area of the tabletop is for $r=23\ in$

Substitute the value of r in the formula

$A=\pi 23^{2}$

$A=1,661.90\ in^{2}$

Round to the nearest whole square inch

$A=1,662\ in^{2}$

therefore

the answer part b) is

the largest possible area of the tabletop is $1,662\ in^{2}$

7 0

4 years ago

Read 2 more answers

Find the surface area of each rectangular prism given its length, width, and height. Choose the correct answers.

Jet001 [13]

To answer this question we have to go through each answer, and use this equation:
(a = area, w = width, l = length, h = height)
a=2(wl+hl+hw)
to solve, and see if it's correct.

A) a=2(9·4+3·4+3·9) = 150
Correct!

B) a=2(3·7+4·7+4·3) = 122
Incorrect.

C) a=2(5·8+5·8+5·5) = 210
Incorrect.

D) a=2(7·5+6·5+6·7) = 214
Correct!

The correct answers are A, and D.

Hope this helped! Please comment or DM me if you have anymore questions. :)

8 0

3 years ago

Read 2 more answers