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FromTheMoon [43]
3 years ago
12

Does anyone know how to do this?i need help with #11 & 12

Mathematics
1 answer:
Lynna [10]3 years ago
4 0
Sorry but I can’t see the picture =23
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Which expression best represents all solutions of x for the equation cot x = –1.25, where k is any integer?
Alika [10]

Answer:

The answer is "-0.675+ k \ \pi"

Step-by-step explanation:

Given:

\to \cot \ x = - 1.25\\\\\to \cot \ x =  \cot (-0.675)\\\\\to x=  k \pi + (-0.675)\\\\\boxed{\boxed{\boxed{x=  -0.675 + k \pi}}}

5 0
3 years ago
Aria and her children went into a bakery and will buy donuts and brownies. She must buy at least 6 donuts and brownies altogethe
laila [671]

Answer:

Inequality for donuts and brownies is;

d ≥ 1 ≤ b

Step-by-step explanation:

We are told that aria will buy donuts and brownies.

We are also told that, number of donuts is d while number of brownies is b.

We are also told that she must by at least a total of 6 donuts and brownies together. Which means that the sum of d and b must not be 6 or greater than 6.

So the inequality will be;

d + b ≥ 6

Thus, for the donut and brownies, inequality would be; d ≥ 1 ≤ b

4 0
3 years ago
A drawer contains a dozen each of red, blue, green, and white socks, all unmatched. Laura takes socks out at random in the dark.
iren2701 [21]

Answer:

8

Step-by-step explanation:

The probability of picking out a certain colour = 12/48 = 1/4

So, this means that every 4 socks you pick out you can be sure of having one of each colour. If you need to find a pair, then you pick out 8.

Hope this helps

7 0
3 years ago
HELP ASAP<br> Simplify (xy3z,4)4 <br> A. xy3z16<br> B. xy3z8<br> C. x4y12z16<br> D. x5y7z8
MariettaO [177]

Answer:

(xy^3z,4)

Step-by-step explanation:

3 0
2 years ago
Factor x^2a^2 + 3xa^2 + 2a^2. Show your work.
kotegsom [21]
x^2a^2 + 3xa^2 + 2a^2= \\ a^2(x^2+3x+2)= \\a^2(x^2+2x +x+2)= \\a^2(x(x+2)+(x+2))= \\a^2(x+2)(x+1)
4 0
3 years ago
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