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ioda
3 years ago
7

Need help pls Need it

Mathematics
1 answer:
madreJ [45]3 years ago
7 0
B
hope this helps!!!!!
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If f(z)= sqrt z2+8z , then how much does f(z) increase as z goes from 7 to 8?
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Answer:

B

Step-by-step explanation:

f(7)=\sqrt{7^2+8*7}=\sqrt{49+56}=\sqrt{105} \approx 10.247\\f(8)=\sqrt{8^2+8*8}=\sqrt{128}=8\sqrt{2} \approx 11.314\\f(8)-f(7)=11.314-10.247=1.067 \approx 1.07

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Perform the calculation of the following numbers 30·10
alisha [4.7K]
Here is my calculation:

30 x 10= 300
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What is 585.30 rounded to the nearest whole number please HURRY
Bogdan [553]
If the first number behind the decimal point is lower than five, you leave the digits in front of the decimal the same. If it is equal to or above five, then the number in front of the decimal is rounded up. In this case it would stay the same, so your answer would be 585.
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The vertices of angleABC are A(1,1) B(5,1) C(3,3) drawl the triangle and it’s image A’B’C’ reflected in the Y axis. What are the
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For any point reflected in the y- axis

(x, y ) → (- x, y )

A(1, 1) → A'(- 1, 1)

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7/9 = 14/18
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