How many small cubes are needed to completely fill the rectangular prism?
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The difference of two numbers is 12. the larger number is one less than twice the smaller number. find the two numbers.
Kris bought a new fur coat for $8,000. She must pay 5% sales tax and 7% excise tax. The furrier is shipping the coat so kris must also pay a $15 insurance charge. What is the total purchase price of the coat?
Solve two step equation 3=9+n/2
Write an expression that shows how you can multiply 9x475 using expanded form and the distributive property
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x-y=1
2x+3y=7
x=1+y
2*(1+y)+3y=7
x=1+y
2+2y+3y=7
x=1+y
5y=5 |(:5)
x=1+y
y=1
x=2
CHECK:
2x+3y=7
x-y=1
2*2 + 3*1 = 7
x-y = 1
2-1 = 1
2(2)+3y=7
4+3y=7
subtract 4 from both sides
3y=3
divide both side by 3
y=1
2x+3y=7
2x+3=7
2x+3y=7
subtract 3y from both sides
2x=7-3y
divide both side by 2
x=3.5-1.5
x=2
then you do the x-y=1
x-y=1
2-1=1
1=1
in the end both answers are 1 so that means that i did it right. that means that x=2 and y=1
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Answer:
-35/8
Step-by-step explanation:
−1 1/2−(3 1/2)−(−5/8)
Convert all fractions into improper fractions:
- 3/2 - (7/2) - (-5/8)
Make all denominators:
-12/8 - () - (-5/8)
-12/8 - () + 5/8
-35/8
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20/3 paces must he take to complete the routine.
How to find the steps he must take to complete the routine?
The marching band begins at the 50-yard line of a football field and marches perpendicular to the 40-yard line.
Hence,
So when the tuba players travel 18 inches with each marching pace, the paces are:
50+30+40 / 18 = 20 / 3
So, the answer is 20 / 3 paces.
Here, Distance divided by speed equals steps.
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a. 80 pounds yes or no
b. 78 pounds yes or no
c. 94 pounds yes or no
d. 77 pounds yes or no
e. 92 pounds yes or no
f. 75 pounds yes or no
Answers
Answer:
A.Yes B.Yes C.No D.Yes E.No F.No
Step-by-step explanation:
10% of 84 is 8.4 and 84-8.4=76.6 and anything between 76.6-84 could have been the estimate.
Final answer:
Camillo's weight estimate could have been 80 pounds, 78 pounds, 77 pounds, or 92 pounds.
Explanation:
The percent error measures the discrepancy between an estimated value and an actual value. It is calculated using the formula: Percent Error = (|Measured Value - Actual Value| / Actual Value) * 100%. Since the given problem states that Camillo's estimate has a percent error less than 10%, we can calculate the percent error for each weight estimate and determine if it is less than 10%.
- a. 80 pounds: Percent Error = (|80 - 84| / 84) * 100% = 4.76%, which is less than 10%. So, yes, this could have been Camillo's estimate.
- b. 78 pounds: Percent Error = (|78 - 84| / 84) * 100% = 7.14%, which is less than 10%. So, yes, this could have been Camillo's estimate.
- c. 94 pounds: Percent Error = (|94 - 84| / 84) * 100% = 11.9%, which is not less than 10%. So, no, this could not have been Camillo's estimate.
- d. 77 pounds: Percent Error = (|77 - 84| / 84) * 100% = 8.33%, which is less than 10%. So, yes, this could have been Camillo's estimate.
- e. 92 pounds: Percent Error = (|92 - 84| / 84) * 100% = 9.52%, which is less than 10%. So, yes, this could have been Camillo's estimate.
- f. 75 pounds: Percent Error = (|75 - 84| / 84) * 100% = 10.71%, which is not less than 10%. So, no, this could not have been Camillo's estimate.
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Answers
(x-2)*(x+2)
Distribute
(x)(x)+(x)(2)+(-2)(x)+(-2)(2)
x²+2x-2x-4
= x²-4
I hope that's help;0