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NikAS [45]
3 years ago
7

what is the ratio for the surface areas of the rectangular prisms shown below, given that they are similar and that the ratio of

their edge lengths is 7:3?​

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Given 2 similar figures with sides in the ratio a : b, then

ratio of areas = : a² : b²

Given that the ratio of the edges of the 2 similar prisms is

7 : 3, then

ratio of surface areas = 7² : 3² = 49 : 9 → D

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A school purchases jars of marbles.
a_sh-v [17]

Answer:

a. $0.07

Step-by-step explanation:

Profit = Charge -Cost

We want to make a profit of 25 and the cost is 10

25 = Charge -10

Add 10 to each side

25+10 = Charge -10+10

35 = Charge

We need to charge 35 per jar.

Each jar contains 500 marbles

The cost per marble is Cost/ number of marbles

cost per marbles = $35 / 500

                             = $.07

6 0
3 years ago
Read 2 more answers
4x- 3y= -19<br> 3x-2y=-12<br> linear systems<br> solve for y
DanielleElmas [232]
Y = 4x/3+19/3 move all terms that dont contain to y to the right then solve

3 0
3 years ago
Tatiana's book has an area of 88 square inches. what are the length and wide measurements of the book​
Vedmedyk [2.9K]
A= l•w

So you can make it in any way! The one I got is 44•4 because

A= l•w
A= 4•22
A= 88

So I guess it depends on the way you want it as long as it equals 88 as long as you length and width are multiplied to make the 88, if you host what I mean!
3 0
3 years ago
the sum of the measure of the interior angle of a convex polygon is 1080 find the number of sides of each polygon
pogonyaev

Answer:

8

Step-by-step explanation:

The formula to calculate the sum of interior angles of polygon is (n - 2)180

Where n represents number of sides

(n-2)180 = 1080 ------ Divide through by 180

(n-2)180/180 = 1080/180

n-2 = 6

n = 6+2

n = 8

6 0
3 years ago
Sam had some money in his pocket, and he found another $6. 50 in his dresser drawer. He then had a total of $19. 75. Let p repre
Anastasy [175]

Answer:

<h2>$26.25</h2>

<em><u>Solving steps:</u></em>

<em>Question:</em> <u>Sam had some money in his pocket, and he found another $6. 50 in his dresser drawer. He then had a total of $19. 75. Let p represent the amount of money Sam had in his pocket. Which equation can you use to find the amount of money Sam had in his pocket? How much money did Sam have in his pocket?.</u>

<em>Find: </em><em> </em><u>How much money did Sam have in his pocket?.</u>

<em>Solution:</em><em> </em>Let the equation be

<h3><em>=> P = T </em><em>+</em><em>F</em></h3>

<u>p represent amount of money</u>

<u>p represent amount of moneyt represent total</u>

<u>p represent amount of moneyt represent totalf represent money found</u>

<h3><em>=> P = T </em><em>+</em><em> </em><em>F</em></h3>

<u>insert the values</u>

<h3><em>=> P = $19.75 </em><em>+</em><em> </em><em>$6.50</em></h3>

add<u> 19.75 from 6.50 </u>

<h3><em>=> P = </em><em> </em><em>26.25</em></h3>

<em><u>THEREFORE THE AMOUNT OF MONEY </u></em><em><u>SAM</u></em><em><u> HAVE IN HIS POCKET</u></em><em><u> IS ABOUT</u></em><em><u> </u></em><em><u> </u></em><em><u>$</u></em><em><u>26.25</u></em>

8 0
3 years ago
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