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tiny-mole [99]
2 years ago
13

Please help me it's one question but I have no idea how to do it!

Mathematics
1 answer:
harina [27]2 years ago
3 0

Answer:

roast beef=$6 per sandwich

ham=$5 per sandwich

Step-by-step explanation:

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I think of a number multiply by 3,add 4,i get 22
MrRissso [65]

Answer:

6

Step-by-step explanation:

22 - 4 = 18

18 / 3 = 6

7 0
3 years ago
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There is a 40% chance that you will be elected president of the history club. There is a 10% chance that your friend will be ele
Andru [333]

Answer:

it’s 6

Step-by-step explanation:

4 0
3 years ago
I WILL MARK BRAINLIES If √ x has a decimal approximation of 3.4, then x is between which two integers? In your final answer, inc
lilavasa [31]
If sqrt x is around 3.4
x=(3.4)(3.4)=11.56
So x is in between 11 and 12 or
11
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6 0
3 years ago
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What are the zeros of the function f(x) = x^4 - x² - 2?
vaieri [72.5K]

Answer:

x= i\\\\ x = -i \\\\x=\sqrt 2\\\\x = -\sqrt 2

Step-by-step explanation:

~~~~~~x^4 -x^2 -2=0\\\\\implies x^2 \cdot x^2-2x^2 +x^2 -2 = 0\\\\\implies x^2(x^2 -2) +(x^2 -2) =0\\\\\implies (x^2 +1)(x^2 -2) = 0\\\\ \implies x^2 +1=0~~~~~~~~\text{or}~~~~~~~~~x^2 -2 = 0\\\\ \implies x = \pm\sqrt{-1}~~~~~~~\text{or}~~~~~~~~~~ x = \pm\sqrt 2\\\\\implies x= \pm i~~~~~~~~~~~~~\text{or}~~~~~~~~~ x= \pm\sqrt 2

7 0
1 year ago
700/200 in a terminating decimal
Aneli [31]
700/200=7/2 because devide by 100 and then=3 1/2 and half is .5 so= 3.5
8 0
3 years ago
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