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tiny-mole [99]
3 years ago
8

What is the scale factor of two regular pentagons that have areas of 50cm square and 162cm square.

Mathematics
1 answer:
galina1969 [7]3 years ago
8 0

Answer:

Scale factor = 3.24

Step-by-step explanation:

162 ÷ 50 = 3.24

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What is 927 divided by 9 step by step
myrzilka [38]

Answer:

103

Step-by-step explanation:

\frac{927}{9} = 103

4 0
3 years ago
Complete the conjecture based on the pattern you observe in the examples below:
Paul [167]

Step-by-step explanation:

the writing and spacing of the problem description is difficult to understand.

but there is no mystery. look at the examples.

all of them

3×5 = 15 = 16 - 1 = 4² - 1

4×6 = 24 = 25 - 1 = 5² - 1

5×7 = 35 = 36 - 1 = 6² - 1

6×8 = 48 = 49 - 1 = 7² - 1

7×9 = 63 = 64 - 1 = 8² - 1

8×10 = 80 = 81 - 1 = 9² - 1

so, what does this look like ?

(x-1)×(x+1) is always equal to (x² - 1)

6 0
3 years ago
which of the following is the correct graph of the compound inequality 4p + 1> -7 and 6p + 3 < 33 ?
PtichkaEL [24]
<h3>Answer:  Choice C</h3>

============================================================

Explanation:

Let's solve the first inequality for p

4p+1 > -7

4p > -7-1

4p > -8

p > -8/4

p > -2

And we'll do the same for the second inequality as well

6p+3 < 33

6p < 33-3

6p < 30

p < 30/6

p < 5

----------------------

We've found that p > -2 and p < 5

This must mean -2 < p < 5

The graph of which consists of open holes at -2 and 5 on the number line, then we shade in between those open holes. The open holes are to indicate "do not include the endpoint as part of the shaded solution set".

We can say that p is between -2 and 5, excluding both endpoints.

So that's why graph C is the final answer.

5 0
3 years ago
Evaluate 30-m/6 for m=30
Setler79 [48]
30 - 30/6 =

30 divided by 6 = 5

so 30 - 5 = 25

I'm horrible at math.  Tell me why I am wrong...lol
7 0
3 years ago
Aaron saw it was 86° Fahrenheit, F, in Australia in January. Aaron used the formula C=5/9(F−32) to find the temperature in degre
gogolik [260]

Answer:

30^{\circ}\text{C}

Step-by-step explanation:

The temperature that Aaron saw was 86^{\circ}\text{F}

The formula to convert Fahrenheit to Celsius is

C=\dfrac{5]{9}(F-32)

\Rightarrow C=\dfrac{5}{9}\times (86-32)

\Rightarrow C=30^{\circ}\text{C}

The given temperature in Celsius that Aaron found would be 30^{\circ}\text{C}.

6 0
3 years ago
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