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bija089 [108]
2 years ago
7

Please help!!! I am so confused!

Mathematics
2 answers:
Dafna11 [192]2 years ago
3 0
The first one is c because if you put it at negative 1/8 then it is 0-1/8 or 1/8 away from zero

second one is
the reciprocal is the number that when multiiplied by the number you are trying to find the reciprocal of, you get +1 so the number you have is  2/7 so
2/7 times x=+1
multiply both sdies by 7/2 to clear fraction
x=+7/2
the reciprocal is +7/2 or +3 and 1/2 which is D
ivolga24 [154]2 years ago
3 0
Q#1 (look at the picture)
Answer:<u> C</u>

Q#2
a reciprocal number of \frac{a}{b} is equal \frac{b}{a}

therefore

a reciprocal of  \frac{2}{7} is equal \frac{7}{2}=\boxed{3\frac{1}{2}}\to\boxed{D}


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5 0
9 months ago
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Help me answer this please
Marizza181 [45]

Answer:

77 feet below sea level.

Step-by-step explanation:

Since y is the time the submarine is ascending, we can plug it in for y and find our answer. We can create an equation where D is the depth and y is time ascending: D = -230 + 17y

Substitute 9 for y:

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D = -230 + 153

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The depth of the submarine after 9 minutes will be 77 feet below sea level. Hope this helps, and Brainly will be highly appreciated.

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2 years ago
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Ten more than 6 times a number is at least 4 less than 4 times the number
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Help me divide this radical
melisa1 [442]
The 4's will cancel out, then we have to get rid of the sqrt(16) on the bottom

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final answer = sqrt(15) / 4.

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