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Likurg_2 [28]
2 years ago
5

If the dimensions of a pentagonal prism are quadrupled, then the surface area of the prism is multiplied by eight.

Mathematics
1 answer:
Lubov Fominskaja [6]2 years ago
8 0

Answer:

false

Step-by-step explanation:

the relationship between lengths/dimensions and areas is that areas are created by multiplying 2 dimensions.

when you quadruple (×4) the dimensions, then the areas are growing with the square of the factor (×4×4 = ×16), because the factor goes twice into the multiplication : one time for every dimension involved.

so, quadrupling the dimensions would multiply the areas by 16.

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4. Gabby makes banana bread at her bakery every Monday and Wednesday. Her
siniylev [52]

Answer:

Top row: 3 cups, 30 tablespoons, 12 bananas

Second row: 7 cups, 70 tbs, 28 bananas

Step-by-step explanation:

The ratio is 5 (sugar) : 50 (butter)...

You can make the unit rate: 1 cup of sugar: 10 tbs of butter

Since the other ratio is 80 tbs : 32 bananas...

1 tbs : .4 bananas

So...

3 cups : 30 tbs

30 tbs : 12 bananas

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70 tbs :  7 cups

Hope this helps!!!

5 0
3 years ago
A kindergarten class has 9 girls and 11 boys in class.What percent of the class are girlsit rain
Nesterboy [21]
The answer would be 70%
4 0
3 years ago
Which number is closest to the value of √32
barxatty [35]

Answer:

5.65685424.

Step-by-step explanation:

Square Root of 32: √32 = 5.65685424...

6 0
3 years ago
Read 2 more answers
Please someone help me with this question
Roman55 [17]

Answer:

a) <6 and <8

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Step-by-step explanation:

7 0
2 years ago
If 2 1/4 pounds of bananas cost $1.89, what is the cost per pound?
Svetach [21]

Answer:

The cost per pound of bananas is $0.84.

Step-by-step explanation:

The question asks to use the given information to set up a proportion and solve for the missing variable.  In this case, we know that the cost of 2 1/4 (or 2.25) bananas is $1.89.  Since they are asking for cost per pound, we can set up a ratio (fraction):

\frac{1.89}{2.25}=\frac{cost}{pounds}

Since the cost of bananas is the same regardless of the number of pounds, we can set up a proportion to find the cost for just one (1) pound:

\frac{1.89}{2.25}=\frac{x}{1}  Where 'x' is the cost.

Using cross-multiplication and division we get:  2.25x = 1.89.  Next, we use inverse operations to divide both sides by 2.25:  2.25x/2.25 = 1.89/2.25.  Solve:  x = 0.84 or $0.84 per pound.  

6 0
3 years ago
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