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adell [148]
4 years ago
14

Two dams, when opened, release water at different rates. The following functions represent the amounts of water the dams release

over t minutes:
Dam A f(t) = 5t – 7t – 1
Dam B g(t) = 3t 2 + 4t + 9

Which function represents the difference in the amounts of water released, h(t) = f(t) – g(t)?


Options:
h(t) = 3t 2 – 5t + 11t + 10
h(t) = 2t 2 – 11t – 10
h(t) = 5t – 3t 2 – 3t + 8
h(t) = 5t – 3t 2 – 11t – 10
Mathematics
1 answer:
Tasya [4]4 years ago
8 0

Answer:

Step-by-step explanation:

h(t) = 2t 2 – 11t – 10 is the answer

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What is the simplified form of the following expression? 13[62 ÷ (52 – 42) + 9]
tatuchka [14]

Answer:

197.6

Step-by-step explanation:

Order of Operations: BPEMDAS

Step 1: Write expression

13[62 ÷ (52 - 42) + 9]

Step 2: Brackets - Parenthesis (Subtract)

13[62 ÷ 10 + 9]

Step 3: Brackets - Division

13[6.2 + 9]

Step 4: Brackets - Addition

13[15.2]

Step 5: Multiply

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3 0
4 years ago
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Find the perimeter and area of a rectangle of cardboard measuring 17.8 cm by 13.4 cm​
klasskru [66]

Step-by-step explanation:

perimeter \: of \: rectangle \\  = 2(17.8 + 13.4) \\  = 2 \times 31.2 \\  = 62.4 \: cm \\  \\ area \: of \: rectangle \\  =17.8 \times 13.4 \\  = 238.52 \:  {cm}^{2}  \\

8 0
3 years ago
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The product of two numbers is 20. If one number is 5/7 what is the other number
Nostrana [21]
28. 5/7(x)=20

X=28

Hope this helps! :)
5 0
3 years ago
Find the zeros of f(x)=(x-3)^2-49, algebraically.
Phantasy [73]

Answer:

-4 and 10

Step-by-step explanation:

let me know if this is incorrect

4 0
3 years ago
******ANSWER ASAP PLEASE******
Lemur [1.5K]

(1/4)^-2 - (5^0 x 2) x 1^-1 =

(4/1)^2 - (1 x 2) x 1 = 16-2 = 14

If you raise something to the power of -2, swap numerator and denominator and remove the minus.

So (1/4)^-2 = 4^2 = 16

Also 1^-1 is just 1, not -1.

8 0
3 years ago
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