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ohaa [14]
3 years ago
7

Explain too

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
5 0
1. [(24÷12)⋅6]+3⋅8÷2 = (2⋅6) + 3⋅8 /2 = 12 + 12 = 24

2.(26÷13)⋅(−7)+14−4 = 2 <span>⋅ (-7) + 14 - 4 = -14 + 14 - 4 = -4

3.</span><span>9 + 3 × 2 = 6 + 9 = 15

4.</span>6⋅[(32−8)÷4+2] = 6 ⋅ (24 / 4 + 2) = 6 ⋅ (6+2) = 6 <span>⋅ 8 = 48

5.</span><span>6y+5z+8y−3z = 14y + 2z</span>
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Please someone help I am so lost.
HACTEHA [7]
You'll have to do the actual multiplication here:

  3(n+2)(4n+1)         1        4n^2 + n + 8n + 2
 -------------------- = -----  *  ---------------------------
            6                   2                    1

or (1/2) (4n^2 + 9n + 2), which, after mult., becomes

(1/2)(4n^2) + (1/2)(9n) + 1


This simplifies to 2n^2 + (9/2)n + 1

Therefore, write (1/2) in the first box and (1) in the second box.
7 0
3 years ago
-4-square root of -75 / 60
Leto [7]
<span>the correct answer is -4 - 0.144337567 i</span>
3 0
3 years ago
¿Cuántas esferas hay en la figura 20?
scoundrel [369]

Answer:

418

Step-by-step explanation:

fig 2 = fig 1 + 5

fig 3 = fig 2 + 7 or fig 1 +5+7   16

1  2  3   4  5   6    7  8   9  10   11   12   13  14   15   16   17  18  19  20

4+5+7+9+11+13+15+17+18+19+21+23+25+27+29+31+33+35+37+39

8 0
3 years ago
Why is the derivative equals to 0?
Lisa [10]

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identity

• tan²x + 1 = sec²x

⇒ tan²x - sec²x = - 1

Thus the derivative reduces to

\frac{d}{dx} ( - 1 ) = 0

7 0
3 years ago
396 times 37. explain how you got your answer
lara [203]

Answer:

14652

Step-by-step explanation:

calculator

4 0
3 years ago
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