Answer:
i got 275.664
Step-by-step explanation:
There are 25 tiles total - triangles or squares - 84 edges
triangle (<em>t</em>) = 3 sides
square (<em>s</em>) = 4 sides
<em>t</em>+<em>s</em>= total tiles
<em><u>t</u></em><u>+</u><em><u>s</u></em><u> = 25 </u>← solve
3<em>t</em> + 4<em>s</em> = total sides
<u>3</u><em><u>t </u></em><u>+ 4</u><em><u>s</u></em><u> = 84</u> ← solve
<em>
</em><em>t </em>= 16 <em>s</em> = 9
Check
16 + 9 = 25
3(16) + 4(9) = 84
48 + 36 = 84
<u>There are 9 square tiles in the box</u>
Answer:
a. yes because all of them are equal to 20/7
b. the cost of a 20 oz. bag of coffee is 7$
Step-by-step explanation:
a.• 6/2.10=20/7
• 8/2.80=20/7
• 16/5.60
so all of them are proportional.
b. let x be the cost of a 20 oz. bag of coffee
=>x=7
Answer:144
Explanation: 25% of the total in other words means that it is 1/4 (a quarter). You could just multiply 36 by 4 to get the total (100%). If u want to verify, just multiply 144 by 0.25 and u should get 36.
<span>This is not really a maths question, but rather a question about geography and climate: Sahara is a very dry place without any resources that gets very hot, especially during the day. If you camp on Sahara, you will not be able to find food or water, and you will be struggling with hiding from the heat. This would be very dangerous and you could potentially die - so you should not attempt to camp on the Sahara desert. </span>