Alicia estimates that the surface area of a rectangular prism with a length of 11 meters,a width of 5.6 meters,and a height of 7.2 meters is about 334 cubic meters.Is her estimate reasonable?Explain your reasoning.

Answers

Answer 1

Answer: Let's calculate the actual area: it is 11*5.6*7.2 or 443.52 cubic meters. Is the 100+ cubic meters error reasonable? :)

Answer 2

Answer:

Answer:

Yes.

Step-by-step explanation:

She is close because the actual surface

area is 362.24

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Which terms in the expression are like terms? –b – bc + 0.1b – 6b Choose all answers that are correct. A. –b B. –bc C. 0.1b D. –6b

What's 25.65 divided by 15

Answers

25.65 ÷ 15 = 1.71

So, the answer to this problem is 1.17

25.65 divided by 15 = 1.71

1. Simplify: a^7/a^4A. 1/a^3
B. a^3
C. -a/a^2
D.a^4/a^3

2. Simplify: r^2s^4t/r^2st^3
A. s^3/t^2
B. s^3/t
C. s^2t^3
D. s/t

3. Simplify: 3x^6/18x
A. 1/6
B. x^4/6
C. x^5/6
D. x^6/6

4. Identify the property demonstrated 4^3x4^7 = 4^3+7
A. Quotient of Powers Property
B. Power of a Power Property
C.Power of a Product Property
D.Product of Powers Property

5. Identify the property demonstrated: (a^7)^3 = a^7 x 3
A. Power of a Product Property
B. Quotient of Powers Property
C. Product of Powers Property
D. Power of a Power Property

Thank you so much whoever helps!!!

Answers

1)a^7/a^4
=a^[7-4]
=a³

2) r²s⁴t/r²st³
=s⁴-¹.t¹-³
=s³.t-²
=s³/t²

3)3x^6/18x
=x^5/6

8. The cost of 2 pounds of coffee is $17.95. Tothe nearest dollar, what is the cost of 5 pounds
of coffee?

Answers

Answer:

$45

Step-by-step explanation:

Find the cost of 1 pound of coffee. Divide $17.95 with 2

17.95/2 = 8.975

Multiply with 5 lbs.

8.975 x 5 = 44.875

Round to the nearest dollar. Note the tenth place value. It is an 8. Because 8 is greater than 5, you would round up:

44.875 rounded to the nearest dollar is $45.

$45 is your answer.

shane wants to figure out what grade he is getting in math. His test scores were 85.6 ,78.5 ,92.5 ,67 and 83.7. What was his average test score? What grade will he receive?

Answers

the average test score his 81.46.the grade he will receive would be 81 %.

average is 81.46% grade will be b

Marge cut 16 pieces of tape. Each piece is 3/8in long HOW MUCH TAPE DID SHE USE???????? meow :3

Answers

To solve this, all you need to do is multiply 16 by 3/8. When you multiply a whole number by a fraction, make the whole number into a fraction by putting it over 1.

16 3
---- x ---- Multiply the numerators together and then the denominators.
1 8

(16 x 3) / (1 x 8)

48 / 8 Then divide.

She used 6 inches of tape.

Answer:

6 inches

Explanation:

I hope this helps!!!

2. 35 45 n; 10, 11, 12

Answers

35 = 45 - n
think of it as money
45 dollars take away how many (n) = 35 dollars
45 - n =35
or you can subtract 45 from both sides
-n = 35-45
-n = -10
divide by -1 from both sides
n = 10

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Four less than the quotient of a number and 4 is 14. What is the number? Let n be the unknown number.

What is the u known decimal equivalent for 5/100.

NEED HELP 15 POINTS!!!

Ruby’s weighs 150 pounds. She went on a diet and lost 6.5 of her weight. How many did she lose ?