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The sum of two numbers is 147. The difference of the two numbers is 25.
What are the two numbers? Show your work.
Answers
x + y = 147
x - y = 25
I always found second setting that second equation up was hardest. How do I know which one comes first? You just keep them in the same order as the first math equation.
So let’s solve for x in terms of y:
x - y = 25
x = 25 + y
Then substitute that into your first equation:
x + y = 147
(25 + y) + y = 147
2y = 122
y = 61
x = 25 + y = 25 + 61 = 86
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If the surface area of a cube is 294 in² and the surface area increased by a scale factor of 3, what is the area of the enlarged cube?
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Answer: [tex]882\ in.^2[/tex]
Step-by-step explanation:
Given
The surface area of the cube is [tex]294\ in.^2[/tex]
Surface area is increased by a scale factor of 3
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Hope it helps!
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Isaac owes \$8,100$8,100 on his credit card. The bank charges an annual interest rate of 21.9%, compounded monthly. If Isaac wants to pay off his credit card using equal monthly payments over the next 16 months, what would the monthly payment be, to the nearest dollar?
Answers
Answer:
[tex]M=\$605.58[/tex]
Step-by-step explanation:
From the question we are told that:
Issac's Debit [tex]P=\$8100[/tex]
Annual interest rate [tex]r=21.9\%[/tex]
Number of payments [tex]n=16[/tex]
Generally the equation for Monthly payment is mathematically given by
[tex]M=\frac{Pr}{1-(1+r)^-^n}[/tex]
[tex]M=\frac{1800*0.0219}{1-(1+0.0219)^-^{16}}[/tex]
[tex]M=\$605.58[/tex]
Therefore Payment for each month is given as
[tex]M=\$605.58[/tex]
Enter a positive value for b that makes this statement true: 16 x b is greater than 16 but less than 32.
Answers
Answer:
24
Step-by-step explanation:
24
Answer:
1.5
Step-by-step explanation:
16 x 1.5 =24
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Step-by-step explanation:
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BELOW ↓Step-by-step explanation:
1.Given Information :
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Time (t) = 36 seconds
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Answers
Answer:
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Step-by-step explanation:
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A sandbox in the shape of a rectangular prism is
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A. 12 ft
B. 15Ft
C: 17.5 ft
D. 21 ft
Answers
Answer:
C. 17.5
Step-by-step explanation:
The current volume of the sandbox is 7×5×1 = 35 feet³
If six inches is added to the height, the new volume will be 7×5×1.5=52.5
To find the difference in how much the snadbox can hold, you can subtract. 52.5-35= 17.5
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Answers
Answer:
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Step-by-step explanation:
Given data
Cost = $34,500
rate= 7.5%
Time= 5 years
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substitute
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Answer:
Step-by-step explanation:
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Your salary is $105,000 per year
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Answers
9514 1404 393
Answer:
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Step-by-step explanation:
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Answers
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Answers
Answer:
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Answers
Answer:
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Step-by-step explanation:
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Step-by-step explanation:
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Answer:
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have a good day :)
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Answer and Step-by-step explanation:
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[tex]\frac{1}{2} x + \frac{3}{4}[/tex]
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#teamtrees #PAW (Plant And Water)
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Step-by-step explanation:
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Answer:
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Step-by-step explanation:
Answer:
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Step-by-step explanation:
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Answers
Answer:
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Step-by-step explanation:
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Answers
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Step-by-step explanation:
Un parallélépipède rectangle posé sur une de ses faces carrées a un volume de 252cm cube, il a une hauteur de 7. Quelle est la longueur du coté de la base carré
Answers
Répondre:
6 cm
Explication étape par étape:
Volume du parallélépipède rectangle V = l²h
l est la longueur du carré basé
h est la hauteur
Étant donné
V = 252 cm³
h = 7 cm
Remplacer
252 = l² (7)
252 = 7l²
l² = 252/7
l² = 36
l = √36
l = 6 cm
D'où la longueur du côté de la base carrée est de 6 cm