8 1/2 by 11 inches dilated to 1 7/10 inches by 2 1/5 inches. what is the scale factor

Answers

Answer 1

Answer: 8 1/2 by 11.

Area1 = 8 1/2 × 11

Area1 = 17 / 2 × 11 = 187/2

17/10 by    2 1/5

Area2 = 17/10 ×   11/5

Area2 = 17 / 10 × 11/5 = 187/50

Scale factor = Area1 / Area2

   = 187/2 ÷ 187/50

   = 187/2 × 50/187

   = 25

Scale factor = 25

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Simplify (b^9)^3
A.b^24
B.b^6
C.b^27
D.b^9

Answers

Answer:

C. b^27

Step-by-step explanation:

By the definition of exponents

$(b^9)^3=b^9*b^9*b^9$

And since for any real numbers $r,x,$ and $y$

$r^x*r^y=r^((x+y))$

This makes

$(b^9)^3=b^9*b^9*b^9=b^{{9+9+9}}=\boxed{b^(27)}$

Which is choice C.

Alternatively, we could use the identity

$(r^x)^y=r^(xy)$

in which case

$(b^9)^3=b^((9*3))= \boxed{b^(27)}$

which is the same answer.

Answer:b²⁷

Step-by-step explanation:

the table shows the name of each volunteer at the height of the baby elephant each one of their measures which volunteer measured the tallest elephant George 2 yards Kelsey 68 inches 305 feet and 5 feet 10 inches

Answers

the answer is 390 because I am so that

What's 3 17/100 as a decimal

Answers

3 17/100 as a decimal is 3.17

3.17 because 3 is the whole number and 17 out of 100 is 17 hundredths

What is the answer to 93+(68+7)

Answers

you can use the distributive property
assume a 1 in front of the prenthasees

93+1(68+7)
distribute
93+68+7
use communtative property to move around
93+7+68
add
100+68
168
commutative and distributive

the answer is 168

68+7= 75
75+93=168

Regina purchased 1.8 pounds of turkey breast from her local deli for $5.99 per pound. To the nearest cent, how much did she spend in all?

Answers

Answer:

Step-by-step explanation:

Step 1: Find the total amount spent.

Number of pounds purchased = 1.8 pounds

Cost per pound = $5.99

⇒ Total amount spent = 5.99 × 1.8 = $10.782

Step 2: Convert to cents

10.782 × 100 = 1078.2 cents

1.8 x 5.99 = 10.782

10.782 rounded to the nearest hundredth is 10.78

so the answer is 10.78

Are the ratios 3/5 and 9/15 proportional?How do you know?

Answers

Yes. 5*3=15 and 3*3=9. They are proportional because if you multiply the top and the bottom of the first fraction by the same number and you get the second number they are proportional.

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