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Neko [114]
3 years ago
5

Solve for r, -4r+9 im super confused

Mathematics
1 answer:
Finger [1]3 years ago
5 0

Answer:

-4/9

Step-by-step explanation:

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The temperature at a point (x, y) is T(x, y), measured in degrees Celsius. A bug crawls so that its position after t seconds is
aniked [119]

Answer:

10.50°C

Step-by-step explanation:

Given x = 2 + t , y = 1 + 1/2t where x and y are measured in centimeters. Also, the temperature function satisfies Tx(2, 2) = 9 and Ty(2, 2) = 3

The rate of change in temperature of the bug path can be expressed using the composite formula:

dT/dt = Tx(dx/dt) + Ty(dy/dt)

If x = 2+t; dx/dt = 1

If y = 1+12t; dy/dt = 1/2

Substituting the parameters gotten into dT/dt we will have;

dT/dt = 9(1)+3(1/2)

dT/dt = 9+1.5

dT/dt = 10.50°C/s

Hence the rate at which the temperature is rising along the bug's path is 10.50°C/s

7 0
3 years ago
Leroi and Sylvia both put $300 in a savings account. Leroi decides he will put in an additional $60 each week. Sylvia decides to
german

Answer: See explanation

Step-by-step explanation:

Here is the remainder of the question:

a. Who has more money after the first additional deposit? Explain.

b. Who has more money after the second additional deposit?

a. Amount put in savings account = $300

Leroi's amount after first week = $300 + $60 = $360

Sylvia's amount after first week = $300 + (20% × $300) = $300 + (0.2 × $300) = $300 + $60 = $360

They both have equal amount after the first week.

b. After the second deposit,

Leroi's saving = $360 + $60 = $420

Sylvia's saving = $360 + (20% × $360) = $360 + $72 = $432

Sylvia has more savings after the second week

7 0
3 years ago
Bill has enough money to buy no more than 1/2 pound of cheese. How much cheese could he buy?
Sladkaya [172]
Since Bill doesn't have enough money to buy <em>more</em> than 1/2 pound of cheese, the most cheese he could buy with his money is half a pound.
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4 years ago
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1 1 --- 2 mixed number as an improper fraction
strojnjashka [21]
If the line is a fraction bar then the answer is 5 and 1/2
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3 years ago
Which is the quotient of 11/12 divide by 5/7
Phantasy [73]
11/12 divided by 5/7 should be 0.02619047619 you can double check it though
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4 years ago
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