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Oksi-84 [34.3K]
3 years ago
15

The difference of 7y+1 and 4y−12 is subtracted from 10.

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
3 0

Answer:

-3y-3

Step-by-step explanation:

The difference:

7y+1 - (4y−12)= 3y + 13

Subtraction:

10- (3y+13)= -3y-3

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Find the interval(s) of upward concavity on this accumulation function.
maxonik [38]

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Hope this helps.

6 0
3 years ago
A dolphin was swimming 28 meters below the oceans surface.it changed its depth to avoid a predator and ended up 21 meters below
Harman [31]

Answer:

+7

Step-by-step explanation:

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28-21=7

6 0
3 years ago
Which equation could be solved using this application of the quadratic formula? A. -2x2 â’ 8 = 10x â’ 3 B. 3x2 â’ 8x â’ 10 = 4 C
hodyreva [135]

The given question can be solve using quadratic formula.

The correct option is (c) 3x^2 +8x -10=-8.

Given:

The given equation is,

x=\dfrac{-8\pm\sqrt{8^2-4(3)(-1)}} {2(3)}---------------------------(1)

Write the general quadratic equation.

ax^2 + bx +c=0

Write the quadratic formula.

x  =\dfrac {-b \pm  \sqrt{(b^2 - 4ac)} } {2a}------------------------------- (2)

Compare equation (1) and (2).

a=3\\b=8\\c=-2

Substitute the value of a, b and c in general quadratic.

3x^2 +8x -2=0

Subtract 8 from each side of above equation.

3x^2 +8x -2 -8=0-8\\3x^2 +8x -10=-8

Thus, the correct option is (c) 3x^2 +8x -10=-8.

Learn more about quadratic equation here:

brainly.com/question/17177510

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2 years ago
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olga55 [171]
(2x + 10) + (6x + 1) = 180 - 79
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