2 years ago

The number of dogs in a pet store decreased from 35 to 31.

Mathematics

2 answers:

Ray Of Light [21]2 years ago

7 0

The answer is A. 11% when it it rounded to the nearest percent

Dafna1 [17]2 years ago

6 0

A. because 11% is rounded.
Hope that helps :)

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find the value of tan (a-b) if cos a=4/5 on the interval (270, 360) and sin b=-5/13 on the interval (270, 360)

Rudiy27

We can find a and b using inverse trig functions,

$\cos(a)=\frac{4}{5}\implies a=\arccos\Big(\frac{4}{5}\Big)\approx36.87 \\\sin(b)=-\frac{5}{13}\implies b=\arcsin\Big(-\frac{5}{13}\Big)\approx-22.62$

$\tan(36.87-(-22.62))\approx1.7$

Hope this helps.

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3 years ago

Rick has 1/2 of a footlong sub left from yesterday. He ate 1/3 of the leftover sandwich as a snack. What fraction of the entire

Lelechka [254]

The answer is 1/6 of the sandwich

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3 years ago

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Solve for x. Write both solution, separated by a comma. 4x^2-x-3=0.

Step2247 [10]

Answer:

x = -3/4, 1

Step-by-step explanation:

Factor left side of the equation.

(4x + 3)(x - 1) = 0

Set factors equal to 0.

4x + 3 = 0

4x = -3

x = -3/4

x - 1 = 0

x = 1

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3 years ago

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A 90% confidence interval is (35 45). What is the margin of error?

MA_775_DIABLO [31]

Answer:

option A 5

I hope it's correct

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3 years ago

If you shift the linear parent function, f(x) = x, up 6 units, what is the equation of the new function?

igor_vitrenko [27]

2 years late. Here is the answer for people in the future. It is D. g(x)=x-6

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2 years ago