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IrinaVladis [17]
3 years ago
6

Please help!!!

Mathematics
1 answer:
dalvyx [7]3 years ago
7 0
The answer is: The first box.
 The explanation is shown below:
 1. You must apply the formula for calculate the area of regular pyramid, which is:
 A=Base area+(PerimeterxSlant height)/2
 2. The area of the first box is:
 Slant heigth=√(45 cm)²+(15 cm)²
 Slant height=47.43
 A1=(30 cm)²+(30 cmx4)(47.43 cm)/2
 A1=3745.8 cm²
 2. The area of the second box is:
 Slant heigth=√(35 cm)²+(10 cm)²
 Slant height=36.40 cm
 Base area=(10 cmx7.5 cm/2)16
 Base area=600 cm²
 A2=600 cm²+(120 cm)(36.40 cm)/2
 A2=2784 cm²
 3. Therefore A1>A2
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Please help pls and ty​
natali 33 [55]
No because the exact opposite of -3 would be 3.
7 0
3 years ago
How do I answer this question pls help me
n200080 [17]

Answer:

  14.7 quarts

Step-by-step explanation:

Use the given equivalence figures to write a proportion. Solve the proportion for the unknown value.

__

  quarts/liters = x/14 = 1/0.95 . . . . . the conversion is given as 1 qt = 0.95 L

Multiply by 14 to find x.

  x = 14(1/0.95) ≈ 14.7

There are about 14.7 quarts in 14 liters.

_____

<em>Additional comment</em>

You are given a value in liters (14 liters) and asked for the equivalent in quarts. That means you want to change the units from liters to quarts. To do that, you can multiply the given value (14 liters) by a conversion factor that has quarts in the numerator and liters in the denominator. That is what the fraction 1/0.95 is in the above. You will note that units of liters cancel in this equation.

  (14\text{ liters})\times\dfrac{1\text{ quart}}{0.95\text{ liter}}=\dfrac{14}{0.95}\text{ quarts}\approx14.7\text{ quarts}

This rule, "use a conversion factor that divides by the units you don't want and multiplies by the units you do want" applies to any units conversion problem. The conversion factor you use should <em>always</em> have <em>equal quantities</em> in the numerator and denominator. (Here, the equal quantities are 1 quart and 0.95 liters.)

You will notice that we treat units just like any variable. They can be multiplied, divided, cancelled, raised to a power. Only terms with like units can be added or subtracted.

4 0
2 years ago
The circumference C of a circle is equal to the product of π and the diameter d.
Lelu [443]

C=3.14 • d

3.14 is pi as a number but it’s non ending :3

D is diameter

C is circumference

Since it said the product of pi and diameter it means d or diameter times pi is c or circumference.

So if

D= i don’t n know maybe 5 find what’s c or te circumference.

So 5 multiplyed by pi or 3.14 is your circumference!

If u need help with the problem please don’t hesitate to ask me! And am purely her to help!!! :3

8 0
3 years ago
Read 2 more answers
Find the surface area of the figure.
Darina [25.2K]
B, 224in2

It may get tedious but just find the area of each face and write them down
4 0
3 years ago
NO LINKS!!!!
mixer [17]

Hope this help!!!

Have a nice day!!!

7 0
2 years ago
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